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                                                                   Exhibit 10.23

               SIXTH AMENDMENT TO REVOLVING LOAN AGREEMENT BETWEEN
         AMSOUTH BANK AND SURGICAL LASER TECHNOLOGIES DATED MAY 31, 2000

RESOLVED, that effective February 27, 2003, AmSouth Bank and Surgical Laser
Technologies, Inc. hereby declare and certify by the signatures indicated below,
that Article II, Sections 2.01, 2.06 and 2.10, the contents of which as
represented in these subparagraphs and as found on pages 5, 6 and 7 of the
Revolving Loan Agreement dated May 31, 2000, regarding the Borrower's aggregate
principal amount under the revolving credit and the pledge of $2,000,000 of cash
collateral thereto, should be amended and restated as follows, having already
been amended by a First Amendment dated as of February 20, 2002; by a Second
Amendment dated as of June 27, 2002; by a Third Amendment dated as of February
27, 2003; by a Fourth Amendment dated as of February 27, 2003; and by a Fifth
Amendment dated as of February 27, 2003:

     SECTION   2.01.    REVOLVING CREDIT

     The Bank agrees on the terms and conditions hereinafter set forth, to make
loans (the "Loan") to the Borrower from time to time during the period from the
date of this Agreement up to but not including the Termination Date in an
aggregate principal amount not to exceed at any time outstanding One Million and
No/100 Dollars ($1,000,000), as such amount may be reduced pursuant to Section
2.02 (the "Commitment"). The Loan, or a portion thereof, may be repaid and
re-borrowed, and further repaid and re-borrowed, and so on, pursuant to the
procedures, terms and conditions of the Note and this Agreement.

     SECTION   2.06.    NOTE.

     The Loan shall be evidenced by a Master Note For Business And Commercial
Loans (the "Note") payable to the order of the Bank, duly executed by the
Borrower, dated the date of this Agreement in the principal amount of One
Million and No/100 Dollars ($1,000,000), bearing interest on amounts advanced
and outstanding thereunder from the date of advance until paid at the rate per
annum as set forth therein.

     SECTION   2.10.    COLLATERAL.

     As security for the Loan, the Borrower shall execute and deliver to the
Bank at closing such security agreements, pledge agreements and UCC-1 financing
statements on forms acceptable to the Bank, grant to the Bank, among other
things, a first priority lien on all business assets, including, but not limited
to, accounts receivable, equipment, inventory, patents and other general
intangibles as the Bank may require. From and after the date of the Sixth
Amendment hereto, Borrower, having paid $2,000,000 against the outstanding Loan,
shall no longer be required to maintain a pledge of cash or cash equivalents
under an Investment Property Control Agreement in the Bank's favor.

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Accepted and Agreed as of this 27th day of February, 2003.


AmSouth Bank                                Surgical Laser Technologies, Inc.

By: /s/ Rhett D. Jordan                     By: /s/ Jeffrey O'Donnell
Rhett D. Jordan                             Jeffrey O'Donnell
Its Vice President                          Its President and CEO


                                            By: /s/ Dennis McGrath
                                            Dennis McGrath
                                            Its Chief Financial Officer