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Exhibit 10.20.3    
    

[REFOCUS
GROUP LETTERHEAD] 

January 6,
2004 

Verus
Support Services Inc.

18 East 50th Street, 10th Floor

New York, NY 10022 

Gentlemen:

        Reference
is made to that certain letter agreement, dated March 6, 2003, relating to the Verus Contingent Subscription (the "Contingent Subscription Agreement"), from Verus
Support Services Inc. ("Verus") to Refocus Group, Inc. ("Refocus"), and those certain related letter agreements, dated June 11, 2003 and August 28, 2003. Defined terms used
without definition in this letter will have the meanings set forth for such terms in the Contingent Subscription Agreement. In addition, Verus and Refocus are parties to that certain letter agreement,
dated March 6, 2003, relating to the Advisory Engagement (the "Advisory Agreement") pursuant to which Verus agreed to be appointed as a non-exclusive advisor for and on behalf of
Refocus (as successor to Presby Corp). 

        As
set forth in the Contingent Subscription Agreement, Verus agreed to provide, or cause to be provided, the Verus Contingent Subscription in order to ensure that Refocus would receive
at least $1.0 million in gross proceeds in the Post-Closing Private Placement by the end of the six-month period following the date of the Contingent Subscription
Agreement, which would have been September 6, 2003. In letter agreements, dated August 28, 2003 and December 4, 2003, the parties amended the terms of the Contingent Subscription
Agreement to extend the date on which Verus, or its affiliates or assigns, would be required to satisfy the Verus Contingent Subscription from September 6, 2003, to the earlier of
(i) January 6, 2004, or (ii) the date upon which Refocus shall secure at least $1.0 million in additional financing from other sources. The parties now desire to amend the
terms of the Contingent Subscription Agreement, and to amend the terms of the Advisory Agreement, as follows: 

        1.     The
date on which Verus, or its affiliates or assigns, would be required to satisfy the Verus Contingent Subscription (as adjusted in paragraph 2 below) is hereby
further extended from January 6, 2004, to the earlier of (i) June 30, 2004, or (ii) the date upon which Refocus shall secure an amount of additional financing from sources
introduced to Refocus by Verus (excluding Kingsdale Capital Corporation and its affiliates) equal to 1.25 times the amount of the balance of any Verus Contingent Subscription amount (as adjusted in
paragraph 2 below); such additional financing shall be on "commercially reasonable terms," as further defined below, and shall be arranged by Verus for no additional compensation payable to
Verus or its affiliated companies (such aggregate extended time period being the "Deferral Period"). For purposes of the foregoing clause (ii), the parties agree that a financing shall be on
"commercially reasonable terms" if (A) the offering price of the securities, on a common stock equivalent basis, shall be equal to not less than 85% of the average of the closing sales price of
Refocus common stock over the preceding thirty trading days (provided, however, that in no event may the offering price be less than $.50 per share of common stock), and involves not more than 60%
total warrant coverage and cash commissions to a qualified placement agent not to exceed 10%, and only if Refocus determines in its sole discretion that such a placement agent is necessary, or
(B) the Board of Directors of Refocus, in the exercise of its fiduciary duties, otherwise approves the terms of such additional financing. In addition to the above-referenced financing, in the
event of a merger, acquisition, asset or stock purchase, or other business combination resulting in a "change in control" of Refocus, Verus shall be released from its obligation to make the Verus
Contingent Subscription. For purposes of this letter, a "change in control" shall be deemed to occur if any "person" or "group" (within the meaning of Section 13(d) and 14(d)(2) of the
Securities Exchange Act of 1934) becomes the ultimate "beneficial owner" (as defined in Rule 13d-3 under the Securities Exchange Act of 1934) of more than a majority of the total
voting power of common stock of Refocus. 

        2.     The
amount of the Verus Contingent Subscription is hereby reduced by the following: (a) $25,000, representing the amount previously invested by Wolf Investment,
which the parties agree 

was
an investor introduced by Verus; and (b) $20,000, representing the amount of advisory fees otherwise payable to Verus under the Advisory Agreement through March 6, 2004, which amount
is waived by Verus pursuant to paragraph 3 below. In addition, the Verus Contingent Subscription may be further reduced from time to time by the following: (x) $15,000 per month from
March 6, 2004 through the earlier of (i) June 30, 2004, and (ii) the date that Verus shall have satisfied, or caused to be satisfied, its obligations under
paragraph 1 above, representing the amount of advisory fees otherwise payable to Verus under the Advisory Agreement as extended through June 30, 2004, which amount shall be waived by
Verus pursuant to paragraph 3 below; (y) an amount equal to the aggregate number of vested and exercisable warrants to issue common stock of Refocus, originally issued to Verus, its
affiliates, assigns or designees, or investors in the March 2003 private placement, that are surrendered by Verus for cancellation by Refocus, times thirty percent (30%) of the average of the
closing sales price of Refocus common stock over the preceding ten trading days; and (z) by forfeiture and surrender of shares of common stock of Refocus originally issued to Verus, its
affiliates, assigns or designees, or investors in the March 2003 private placement, the value such shares based on the average of the closing sales price of Refocus common stock over the
preceding ten trading days. 

        3.     Towards
the amicable resolution of the Verus Contingent Subscription, the parties hereby agree that the monthly fee otherwise due under the Advisory Agreement for the
period January through March 2004, which the parties acknowledge to be $20,000, is hereby waived. The Advisory Agreement and all other terms and conditions of such agreement shall remain valid
and effective for all other purposes during the Deferral Period. In addition, the parties hereby agree that the Advisory Agreement is hereby extended upon the same terms from March 6, 2004
through the earlier of (i) June 30, 2004, and (ii) the date that Verus shall have performed, or caused to be performed, its obligations under paragraph 1 above;  provided,
however, that the parties hereby agree that the monthly fee otherwise due under the Advisory
Agreement for the March through June 2004 period shall be waived for each month that the Advisory Agreement remains in effect. 

        4.     Towards
the amicable resolution of the Verus Contingent Subscription, Verus hereby waives and relinquishes all rights under the paragraph titled "Board Observation Right
and Information Rights" under the Advisory Agreement, effective immediately. 

        This
letter agreement is entered into by the parties hereto without waiver of and without prejudice to either party's rights to assert any claim, right or remedy in respect of the
validity of the original Contingent Subscription Agreement, unless otherwise expressly excepted or fulfilled by the terms of this letter agreement, or in respect of the prior satisfaction of, or
failure to satisfy, the obligations under the Contingent Subscription Agreement since the original date thereof through the date of this letter. Verus is entering into this letter agreement solely to
further assist Refocus in its financing efforts and minimize any costs towards the amicable resolution of the Verus Contingent Subscription. 

        Please
confirm your agreement to the foregoing by signing and returning to us an executed copy of this letter. 

	 	 	 	 	Very truly yours,
	

 	
 	

 	
 	

REFOCUS GROUP, INC.
	

 	
 	

 	
 	

By:	
 	

 
	 	 	 	 	 	 	

	 	 	 	 	Name:	 	 
	 	 	 	 	 	 	

	 	 	 	 	Title:	 	 
	 	 	 	 	 	 	

	

Acknowledged and Agreed to:	
 	

 	
 	

 
	

VERUS SUPPORT SERVICES, INC.	
 	

 	
 	

 
	

By:	
 	

 	
 	

 	
 	

 
	 	 	
	 	 	 	 
	Name:	 	 	 	 	 	 
	 	 	
	 	 	 	 
	Title:	 	 	 	 	 	 
	 	 	
	 	 	 	 

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Exhibit 10.23    
    

NAME OF SUBSCRIBER:             

	To:
	 Refocus Group, Inc.

10300 North Central Expressway, Suite 104

Dallas, Texas 75231

ATTN: Mark A. Cox, Chief Financial Officer  

  
 

    AMENDED & RESTATED SUBSCRIPTION AGREEMENT    
    

        This Amended and Restated Subscription Agreement (this "Agreement") is being delivered to you in connection with your investment in Refocus Group, Inc., a
Delaware corporation (the "Company"), in connection with a private placement (the "Private Placement") of a minimum of 40 units ("Units") and a maximum of 200 Units, each Unit consisting of
(i) 50,000 shares of Company common stock ("Common Stock"), and (ii) a detachable warrant to purchase 25,000 shares of Common Stock ("Warrant" and, together with the Common Stock,
collectively, "Securities"), at an exercise price of $2.00 per share from issuance until the third anniversary of the closing of the Private Placement. The purchase price per Unit is $25,000. 

1.     SUBSCRIPTION AND CLOSING  

        1.1.    Minimum Subscription.    The Private Placement is conditioned upon the minimum
offering ($1,000,000 or 40 Units) being fully subscribed for by December 5, 2003, unless such date has been extended by the Company and Kingsdale Capital Markets Inc., as placement agent
(the "Placement Agent"). The minimum amount of Units that may be purchased is (i), in the case of the Company's current stockholders that are "accredited investors" and that purchased units of the
Company in the initial
tranche of the private placement consummated on March 6, 2003 (the "Merger Private Placement"), in connection with the merger (the "Merger") of the Company's subsidiary, Refocus Acquisition
Corp., with and into Presby Corp on March 6, 2003 (the "Tranche I Investors"), a dollar amount equal to or greater than the dollar amount of the Tranche I Investor's current obligation in the
second tranche of the Merger Private Placement (i.e. an amount equal to or greater than the amount of the Tranche I Investor's investment in the Company in the initial tranche of the Merger Private
Placement), and (ii), in the case of "accredited investors" other than Tranche I Investors, one (1) Unit ($25,000). A Tranche I Investor may subscribe for more Units than its current obligation
in the second tranche of the Merger Private Placement, and any amount that exceeds the Tranche I Investor's minimum subscription amount shall be on the same terms. Subscriptions for lesser amounts may
be accepted at the discretion of the Company. 

        1.2    Subscription.    The undersigned hereby subscribes for and agrees to purchase the
number of Units indicated on page 8 hereof upon the terms and conditions described herein. 

        1.3    Closing.    The Private Placement will be consummated in one or more tranches (each, a
"Closing") at such places, dates and times as the Company and the Placement Agent agree; provided,  however, the final Closing shall take place no later
than December 5, 2003, unless such date has been extended by the Company and the Placement
Agent. An initial Closing will take place once the minimum offering ($1,000,000 or 40 Units) is fully subscribed for, and thereafter the Company may hold multiple subsequent Closings (provided that a
new subscription for at least four (4) units or $100,000 has been received for each such Closing) until the maximum offering ($5,000,000 or 200 Units) is fully subscribed for and sold. 

 

2.     INVESTOR'S REPRESENTATIONS AND WARRANTIES  

        The undersigned hereby acknowledges, agrees with and represents and warrants to the Company as follows: 

        (a)   The
undersigned has full power and authority to enter into this Agreement, the execution and delivery of which has been duly authorized, if applicable, and this
Agreement constitutes a valid and legally binding obligation of the undersigned. 

        (b)   The
undersigned acknowledges his understanding that the offering and sale of the Units is intended to be exempt from registration under the Securities Act of 1933, as
amended (the "Securities Act"), by virtue of Section 4(2) of the Securities Act and the provisions of Regulation D promulgated thereunder ("Regulation D"). In furtherance thereof, the
undersigned represents and warrants to the Company as follows: 

          (i)  The
undersigned realizes that the basis for the exemption from registration may not be available if, notwithstanding the undersigned's representations contained herein,
the undersigned is merely acquiring the Units for a fixed or determinable period in the future, or for a market rise, or for sale if the market does not rise. The undersigned does not have any such
intention; 

         (ii)  The
undersigned is acquiring the Unit(s) solely for the undersigned's own beneficial account, for investment purposes, and not with view to, or resale in connection
with, any distribution of the shares of Common Stock, including such shares into which the Warrants are exercised, underlying such Unit(s); 

        (iii)  The
undersigned has the financial ability to bear the economic risk of his investment, has adequate means for providing for his current needs and contingencies and has
no need for liquidity with respect to his investment in the Company; 

        (iv)                          [insert
name of Purchaser Representative: if none, so state] has acted as the undersigned's Purchaser Representative for
purposes of the private placement exemption under the Securities Act. If the undersigned has appointed a Purchaser Representative (which term is used herein with the same meaning as given in
Rule 501(h) of Regulation D), the undersigned has been advised by his Purchaser Representative as to the merits and risks of an investment in the Company in general, and the suitability
of an investment in the Units for the undersigned in particular; and 

         (v)  The
undersigned (together with his Purchaser Representative(s), if any) has such knowledge and experience in financial and business matters as to be capable of
evaluating the merits and risks of the prospective investment in the Units. If other than an individual, the undersigned also represents it has not been organized for the purpose of acquiring the
Units. 

        (c)   The
information contained in the Accredited Investor Questionnaire, which accompanies this Agreement and which has been completed and executed by the undersigned (the
"Investor Questionnaire") in connection herewith, is accurate, complete and true in all respects, and the undersigned is an "accredited investor," as that term is defined in Rule 501(a) of
Regulation D. 

        (d)   The
undersigned (and his Purchaser Representative, if any) has been furnished with a copy of the Confidential Private Placement Memorandum, dated October 21,
2003, together with all annexes thereto, and the Supplement to the Confidential Private Placement Memorandum, dated November 24, 2003 (as such documents may be amended, modified or supplemented
from time to time, collectively the "Memorandum"), relating to the private placement by the Company of the Units. 

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        (e)   The
undersigned is not relying on the Company with respect to economic considerations involved in this investment. The undersigned has relied on the advice of, or has
consulted with only the person(s), if any, named as Purchaser Representative(s) herein. Each Purchaser Representative, if any, is capable of evaluating the merits and risks of an investment in the
Units as such are described in the Memorandum, and each Purchaser Representative, if any, has disclosed to the undersigned in writing (a copy of which is annexed to this Agreement) the specific
details of any and all past, present or future relationships, actual or contemplated, between himself and the Company. 

        (f)    The
undersigned represents, warrants and agrees that he will not sell or otherwise transfer the shares of Common Stock (including such shares into which the Warrants are
exercisable) or Warrants without registration under the Securities Act or an exemption therefrom, and fully understands and agrees that he must bear the economic risk of his purchase because, among
other reasons, neither the shares of Common Stock nor the Warrants have been registered under the Securities Act or under the securities laws of any state and, therefore, cannot be resold, pledged,
assigned or otherwise disposed of unless they are subsequently registered under the Securities Act and under the applicable securities laws of such states, or an exemption from such registration is
available. In particular, the undersigned is aware that the shares of Common Stock and Warrants are "restricted securities," as such term is defined in Rule 144 promulgated under the Securities
Act ("Rule 144"), and that they may not be sold pursuant to Rule 144 unless all of the conditions of Rule 144 are met. The undersigned also understands that, except as otherwise
provided herein, the Company is under no obligation to register the shares of Common Stock or Warrants on his behalf or to assist him in complying with any exemption from registration under the
Securities Act or applicable state securities laws. The undersigned understands that any sales or transfers of the shares of Common Stock and Warrants are further restricted by state securities laws
and the provisions of this Agreement. 

        (g)   No
representations or warranties have been made to the undersigned by the Company or its officers, employees, agents, affiliates or subsidiaries, other than any
representation of the Company contained herein and in the Memorandum, and in subscribing for Units, the undersigned is not relying upon any representation other than those contained herein or in the
Memorandum. 

        (h)   The
undersigned understands and acknowledges that his purchase of Units is a speculative investment that involves a high degree of risk and the potential loss of his
entire investment. 

        (i)    The
undersigned's overall commitment to investments that are not readily marketable is not disproportionate to the undersigned's net worth, and an investment in the
Units will not cause such overall commitment to become excessive. 

        (j)    The
undersigned understands and agrees that the certificates for the shares of Common Stock (including such shares into which the Warrants are exercisable) and Warrants
shall bear substantially the following legend until (i) such securities shall have been registered under the Securities Act and effectively disposed of in accordance with a registration
statement that has been declared effective or (ii) in the opinion of counsel for the Company such securities may be sold without registration under the Securities Act as well as any applicable
"blue sky" or state securities laws: 

        THE SHARES EVIDENCED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"), OR REGISTERED OR QUALIFIED UNDER THE
SECURITIES LAWS OF ANY STATE, AND HAVE BEEN TAKEN FOR INVESTMENT PURPOSES ONLY AND NOT WITH A VIEW TO THE  

3

 

 DISTRIBUTION THEREOF, AND NEITHER SUCH SHARES NOR ANY INTEREST THEREIN MAY BE SOLD, TRANSFERRED, ASSIGNED OR PLEDGED, EXCEPT IF REGISTERED UNDER THE ACT OR APPLICABLE STATE BLUE SKY OR SECURITIES LAWS
OR ANY EXEMPTIONS FROM SUCH REGISTRATION UNDER THE ACT OR REGISTRATION OR QUALIFICATION UNDER APPLICABLE STATE BLUE SKY OR SECURITIES LAWS ARE APPLICABLE.

        (k)   The
undersigned hereby covenants and agrees that it will not have an open position (e.g. short sale) in the Securities prior to the Registration Statement (as defined
below) being declared effective by the U.S. Securities and Exchange Commission (the "SEC"). The undersigned hereby acknowledges and understands that if the undersigned has an open position in the
Securities prior to the Registration Statement being declared effective by the SEC, such open position will constitute a violation of Section 5 of the Securities Act. 

        (l)    The
foregoing representations, warranties and agreements shall survive the purchase of the Securities. 

3.     THE COMPANY'S REPRESENTATIONS AND WARRANTIES  

        The Company hereby acknowledges, agrees with and represents and warrants to each of the undersigned, as follows: 

        (a)   The
Company has the corporate power and authority to execute and deliver this Agreement and to perform its obligations hereunder. This Agreement has been duly
authorized, executed and delivered by the Company and is valid, binding and enforceable against the Company in accordance with its terms. 

        (b)   The
Units, Common Stock and Warrants to be issued to the undersigned pursuant to this Agreement, when issued and delivered in accordance with the terms of this
Agreement, will be duly and validly issued and will be fully paid and nonassessable. 

        (c)   Neither
the execution and delivery nor the performance of this Agreement by the Company will conflict with the Company's Certificate of Incorporation, as amended, or
By-laws, or result in a breach of any terms or provisions of, or constitute a default under, any material contract, agreement or instrument to which the Company is a party or by which the
Company is bound. 

        (d)   To
the best knowledge of the Company, the information contained in the Memorandum is true and correct in all material respects as of its date. 

4.     COVENANTS FOLLOWING THE CLOSING  

        4.1    Registration Rights    

        (a)   The
Company shall use its reasonable best efforts to file a registration statement (the "Registration Statement") with the SEC covering the resale of the shares
of Common Stock (including such shares into which the Warrants are exercisable) not later than 45 days after the date of the final Closing of the Private Placement. The Company will use its
reasonable best efforts to maintain the effectiveness of the Registration Statement through the first anniversary of the final Closing date of the Private Placement;  provided that, if at any time or
from time to time after the date of effectiveness of the Registration Statement, the Company notifies the undersigned
in writing of the existence of a Potential Material Event (as defined below), the undersigned shall not offer or sell any shares of Common Stock, or engage in any other transaction involving or
relating to such shares, from the time of the giving of notice with respect to a Potential Material Event until the Company notifies the undersigned that 

4

 

such
Potential Material Event either has been disclosed to the public or no longer constitutes a Potential Material Event; provided,  further that, the Company
may not suspend the right of the undersigned pursuant to this Section 4.1(a) for more than 120 days in the
aggregate. "Potential Material Event" means the possession by the Company of material information regarding a potential transaction beneficial to the Company or its stockholders not ripe for
disclosure in a registration statement, which shall be evidenced by determinations in good faith by the Board of Directors of the Company that disclosure of such information in the registration
statement would be detrimental to the business and affairs of the Company. 

        (b)   The
Company shall notify the undersigned, at any time when a prospectus relating thereto is required to be delivered under the Securities Act, upon discovery that, or
upon the happening of any event as a result of which, the prospectus included in such registration statement, as then in effect, includes an untrue statement of a material fact or omits to state any
material fact required to be stated therein or necessary to make the statements therein not misleading in light of the circumstances then existing. At the request of the undersigned, the Company shall
also prepare, file and furnish to the undersigned a reasonable number of copies of a supplement to or an amendment of such prospectus as may be necessary so that, as thereafter delivered to the
purchasers of such shares, such prospectus shall not include an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements
therein not misleading in light of the circumstances then existing. Additionally, the undersigned agrees not to offer or sell any shares covered by the Registration Statement after receipt of such
notification until the receipt of such supplement or amendment. 

        (c)   The
Company may request the undersigned to furnish the Company such information with respect to the undersigned and the undersigned's proposed distribution of shares of
Common Stock pursuant to the Registration Statement as the Company may from time to time reasonably request in writing or as shall be required by law or by the SEC in connection therewith, and the
undersigned agrees to furnish the Company with such information. The undersigned hereby understands and agrees that the Company may, in its sole discretion, exclude the undersigned's shares of Common
Stock (including such shares into which the Warrants are exercisable) from the Registration Statement in the event that the undersigned fails to provide such information requested by the Company
within the time period reasonably specified by the Company. 

5.     TRANCHE I INVESTORS; LOCK-UP PROVISIONS  

        (a)   The
Company hereby agrees that upon a Tranche I Investor subscribing for and purchasing in the Private Placement a dollar amount equal to or greater than the dollar
amount of that Tranche I Investor's investment in the Company in the initial tranche of the Merger Private Placement, such Tranche I Investor's obligation to fund its portion of the second tranche of
the Merger Private Placement, and the Company's obligation to issue securities to such Tranche I Investor in connection therewith, shall terminate. 

        (b)   Pursuant
to subscription agreements entered into by Tranche I Investors in conjunction with the Merger Private Placement, each Tranche I Investor is restricted from
publicly selling, contracting to sell or otherwise disposing of (a "Transfer") any securities beneficially owned by the Tranche I Investor and acquired in the Merger Private Placement ("Merger
Placement Securities"); provided, however, that following the earlier of the effective date of a
registration statement covering the resale of the Merger Placement Securities or one year after the date of the closing of the Merger Private Placement, the Tranche I Investor is permitted to effect
one or more Transfers of the Merger Placement Securities at a rate of nine percent (9%) per month of the number of Merger Placement Securities, subject to applicable 

5

 

securities
laws (the "Lock-Up Provision"). The Company hereby agrees to permanently waive the Lock-Up Provision for a Tranche I Investor, if, and only if, that Tranche I
Investor subscribes for and purchases in the Private Placement a dollar amount equal to or greater than the dollar amount of that Tranche I Investor's investment in the Company in the initial tranche
of the Merger Private Placement. 

6.     REGULATION FD; INDEMNITY  

        (a)   The
undersigned acknowledges that (i) the Memorandum contains material, non-public information concerning the Company within the meaning of Regulation
FD promulgated by the SEC, and (ii) the undersigned is obtaining such material, non-public information solely for the purpose of considering whether to purchase the Securities
pursuant to a private placement that is exempt from registration under the Securities Act. In accordance with Regulation FD, the undersigned agrees to keep such information confidential and not to
disclose it to any other person or entity except the undersigned's legal counsel, other advisors and other representatives who have agreed (i) to keep such information confidential,
(ii) to use such information only for the purpose set forth above, and (iii) to comply with applicable securities laws with respect to such information. In addition, the undersigned
further acknowledges that the undersigned and such legal counsel, other advisors and other representatives are prohibited from trading in the Company's securities while in possession of material,
non-public information and agrees to refrain
from purchasing or selling securities of the Company until such material, non-public information has been publicly disseminated by the Company. 

        (b)   The
undersigned agrees to indemnify and hold harmless the Company and its officers, directors, employees and affiliates and each other person, if any, who controls any
of the foregoing, against any loss, liability, claim, damage and expense whatsoever (including, but not limited to, any and all expenses whatsoever reasonably incurred in investigating, preparing or
defending against any litigation commenced or threatened or any claim whatsoever) arising out of or based upon any false representation or warranty by the undersigned, or the undersigned's breach of,
or failure to comply with, any covenant or agreement made by the undersigned herein or in any other document furnished by the undersigned to the Company or its officers, directors, employees or
affiliates or each other person, if any, who controls any of the foregoing in connection with this transaction. 

7.     MISCELLANEOUS PROVISIONS  

        7.1.    Modification.    Neither this Agreement, nor any provisions hereof, shall be waived,
modified, discharged or terminated except by an instrument in writing signed by the party against whom any waiver, modification, discharge or termination is sought. 

        7.2.    Notices.    Any party may send any notice, request, demand, claim or other
communication hereunder to the intended recipient at the address set forth herein using any means (including personal delivery, expedited courier, messenger service, fax, ordinary mail or electronic
mail), but no such notice, request, demand, claim or other communication will be deemed to have been duly given unless and until it actually is received by the intended recipient. Any party may change
the address to which notices, requests, demands, claims and other communications hereunder are to be delivered by giving the other parties notice in the manner herein set forth. 

        7.3.    Counterparts.    This Agreement may be executed in two or more counterparts, each of
which shall be deemed an original, but all of which together shall constitute one and the same instrument. 

        7.4.    Binding Effect.    Except as otherwise provided herein, this Agreement shall be
binding upon, and inure to the benefit of, the parties to this Agreement and their heirs, executors, administrators, 

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successors,
legal representatives and assigns. If the undersigned is more than one person or entity, the obligation of the undersigned shall be joint and several and the agreements, representations,
warranties and acknowledgments contained herein shall be deemed to be made by, and be binding upon, each such person or entity and his heirs, executors, administrators, successors, legal
representatives and assigns. 

        7.5.    Assignability.    This Agreement is not transferable or assignable by the undersigned.
This Agreement shall be transferable or assignable by the Company. 

        7.6.    Governing Law.    This Agreement shall be governed by and construed in accordance with
the laws of the State of Texas, without giving effect to conflicts of law principles. 

        7.7.    Pronouns.    The use herein of the masculine pronouns "he," "him" or "his" or similar
terms shall be deemed to include the feminine and neuter genders as well, and the use herein of the singular pronoun shall be deemed to include the plural as well. 

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ALL SUBSCRIBERS MUST COMPLETE THIS PAGE  

        IN WITNESS WHEREOF, the undersigned has executed this Agreement on the        day
of                   200    .
 

	 	 	Tranche I Investor Subscription	 	= $	 	 
	 	 	 	 	 	 	

	 	 	X $25,000 for each Unit	 	= $	 	 
	
 (Units subscribed for)	 	 	 	 	 	

	 	 	Aggregate Purchase Price	 	= $	 	 
	 	 	 	 	 	 	

	I.
	Manner in which Title is to be held (Please Check One):

	1.	 	Individual	 	7.	 	Trust/Estate/Pension or Profit sharing Plan
	 	
	 	 	 	
	 
	 	 	 	 	 	 	Date Opened:            
	

2.	

 	

Joint Tenants with Right of Survivorship	
 	

8.	

 	

As a Custodian for
	 	
	 	 	 	
	 
	

 	

 	

 	
 	

 	

 	

 Under the Uniform Gift to Minors Act of the Sate of
	

 	

 	

 	
 	

 	

 	

	

3.	

 	

Community Property	
 	

9.	

 	

Married with Separate Property
	 	
	 	 	 	
	 
	

4.	

 	

Tenants in Common	
 	

10.	

 	

Keogh
	 	
	 	 	 	
	 
	

5.	

 	

Corporation/Partnership/	
 	

11.	

 	

Tenants by the Entirety
	 	
	 	 	 	
	 
	 	 	Limited Liability Company	 	 	 	 
	

6.	

 	

IRA	
 	

 	

 	

 
	 	
	 	 	 	 	 

II.    Other Information:  

	1.
	List
the name, address, title, phone number and email address of the natural person or persons who will possess voting and investment power over the Securities subscribed for herein: 

	 	 	Name of Natural Person(s):	 	 
	 	 	 	 	

	 	 	Address:	 	 
	 	 	 	 	

	

 	
 	

 	
 	

	

 	
 	

Title (if any):	
 	

 
	 	 	 	 	

	

 	
 	

Phone:	
 	

 
	 	 	 	 	

	 	 	Email address (if any):	 	 
	 	 	 	 	

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	2.
	Indicate
if you are a registered broker-dealer with the U.S. Securities and Exchange Commission under the Securities Exchange Act of 1934? 

Yes: o        No:o

	3.
	Indicate
whether any of your affiliates(1) are a registered broker-dealer with the U.S. Securities and Exchange Commission under the Securities Exchange Act of 1934? 

	(1)
	An
affiliate of a person or company is defined as a person that directly, or indirectly through one or more intermediaries, controls, or is controlled by, or is under common control
with such person or company. An example of an affiliate would be, without limitation, a parent or subsidiary of a company, a director or officer of a company or possibly a ten percent or greater
shareholder of a company. 

Yes: o        No:o 

        If
you answered yes, name of affiliate:                          

        If
you answered "yes" to question 3 above, are you purchasing the Securities in the ordinary course of business, and at the time of the purchase of the Securities, do you have any
agreements or understandings, directly or indirectly, with any person to distribute the Securities? 

Yes: o        No:o 

IF MORE THAN ONE SUBSCRIBER, EACH SUBSCRIBER MUST SIGN.

INDIVIDUAL SUBSCRIBERS MUST COMPLETE PAGE 10.

SUBSCRIBERS WHICH ARE ENTITIES MUST COMPLETE PAGE 11.  

9

 
EXECUTION BY NATURAL PERSONS  

	
 Exact Name in which Title is to be Held
	

 Name (Please Print)	
 	

 Name of Additional Purchaser
	

 Residence: Number and Street	
 	

 Address of Additional Purchaser
	

 City, State and Zip Code	
 	

 City, State and Zip Code
	

 Social Security Number	
 	

 Social Security Number
	

 Telephone Number	
 	

 Telephone Number
	

 Fax Number (if available)	
 	

 Fax Number (if available)
	

 E-Mail (if available)	
 	

 E-Mail (if available)
	

 (Signature)	
 	

 (Signature of Additional Purchaser)

        ACCEPTED
this            day of            , 200  , on behalf of Refocus Group, Inc. 

	By:	 	 	 	 
	 	 	
	 	 
	Name:	 	 	 	 
	 	 	
	 	 
	Title:	 	 	 	 
	 	 	
	 	 

10

 
EXECUTION BY SUBSCRIBER WHICH IS AN ENTITY
  (Corporation, Partnership, Trust, Etc.) 

	
 Name of Entity (Please Print)
	

Date of Incorporation or Organization:	
 	

 
	 	 	

	State of Principal Office:	 	 
	 	 	

	Federal Taxpayer Identification Number:	 	 
	 	 	

       

	
 Office Address	 	 
	

 City, State and Zip Code	
 	

 
	

 Telephone Number	

 	

 
	

 Fax Number (if available)	

 	

 
	

 E-Mail (if available)	

 	

 

	 	 	By:	 	 
	 	 	 	 	

	 	 	Name:	 	 
	 	 	 	 	

	 	 	Title:	 	 
	 	 	 	 	

[seal]

	Attest:	 	 	 	 
	 	 	
 (If Entity is a Corporation)	 	 
	

 	
 	

 	
 	

 Address

        ACCEPTED
this        day of                   , 200    , on behalf of Refocus Group, Inc.

	By:	 	 	 	 
	 	 	
	 	 
	Name:	 	 	 	 
	 	 	
	 	 
	Title:	 	 	 	 
	 	 	
	 	 

11

 
SUBSCRIPTION INSTRUCTIONS  

Please make sure that your subscription includes:

	1.
	Two
(2) properly completed and duly executed original copies of this Amended and Restated Subscription Agreement.

	2.
	Two
(2) properly completed and duly executed original copies of the Accredited Investor Certificate.

	3.
	(a)    A
cashier's check or money order equal to the aggregate purchase price of the Units being purchased made payable to "Refocus Group, Inc."; or

	

	(b)    Wire
funds equal to the aggregate purchase price of the Units being purchased to the account of Refocus Group, Inc. pursuant to the following
instructions: 

Independent
Bank

McKinney, Texas

ABA # 111916326

For Credit to: Refocus Group, Inc.

Account: 103003893 

	4.
	Send
the executed original copies of the Amended and Restated Subscription Agreement and the Accredited Investor Certificate and the cashier's check or money order, if applicable, to
Refocus Group, Inc. at the following address: 

Refocus
Group, Inc.

10300 North Central Expressway, Suite 104

Dallas, Texas 75231

Attention: Mark A. Cox, Chief Financial Officer 

12

QuickLinks

Exhibit 10.23

AMENDED & RESTATED SUBSCRIPTION AGREEMENT

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00060-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00060-of-00352.parquet"}]]