In this prospectus, unless the context otherwise requires, the following expressions shall have the following meanings.

<table><tr><td>‘‘2016 Pre-IPO
Investment’’</td><td>the pre-IPO investment in Clarity Medical by Clear Lead comlpeted on
15 August 2016 as set out in the section headed ‘‘History,
Reorganisation and Corporate Structure—  Pre-IPO Investments’’ of
this prospectus</td></tr><tr><td>‘‘2018 Pre-IPO
Investment’’</td><td>the pre-IPO investment in Clarity Medical by WuXi ATppec comlpeted
on 8 Februar 2018y as set out in the section headed ‘‘History,
Reorganisation and Corporate Structure—  Pre-IPO Investments’’ of
this prospectus</td></tr><tr><td>‘‘2019 Pre-IPO
Investment’’</td><td>the pre-IPO investment in Clarity Medical by Mr. Wu comleted on 6
pMarch 2019 as set out in the section headed ‘‘History, Reorganisation
and Corporate Structure—  Pre-IPO Investments’’ of this prospectus</td></tr><tr><td>‘‘3W Partners’’</td><td> 3W Partners Fund I L.P., a Cayman Islands exempted limited
partnership established in January 2014 and managed by 3W Partners
GP Limited as its general partner</td></tr><tr><td>‘‘Accountant’s Report’’</td><td> the accountant’s report set out in Appendix I to this prospectus</td></tr><tr><td>‘‘Articles of Association’’
or ‘‘Articles’’</td><td>the articles of association of our Company, adopted on 26 January
2022, which will become effective upon the Listing Date, and as
amended, sulppemented or otherwise modified from time to time</td></tr><tr><td>‘‘associate(s)’’</td><td> has the meaning ascribed to it under the Listing Rules</td></tr><tr><td>‘‘Audit Committee’’</td><td> the audit committee of the Board</td></tr><tr><td>‘‘Awareness Trust’’</td><td> a discretionary trust established by Dr. Tse (as the settlor and the
protector), the discretionary beneficiaries of which include Dr. Tse and
his family members</td></tr><tr><td>‘‘Board’’ or ‘‘Board of
Directors’’</td><td>our board of Directors</td></tr><tr><td>‘‘Business Da’’y or
‘‘business da’’y</td><td>a day (other than a Saturday or a Sunday or a public holiday in Hong
Kong) on which banks in Hong Kong are open for normal banking
business</td></tr><tr><td>‘‘BVI’’</td><td> British Virign Islands</td></tr><tr><td>‘‘CAGR’’</td><td> compound annual growth rate, a measurement to assess the growth rate
of value over time</td></tr></table>

<table><tr><td>‘‘Caiptalisation Issue’’</td><td> the issuance of new Shares to be made upon the caitalipsation of certain
sums standing to the credit of the share premium account of our
Company, as further described in the section headed ‘‘Statutory and
General Information—  A. Further Information about our Group—  4.
Resolutions passed by our Shareholders’’ in Appendix IV to this
prospectus</td></tr><tr><td>‘‘Cataract Surgeries
Programme’’</td><td>the programme funded by the Government to increase the cataract
surgeries throuhgput via a public-private partnership delivery model.
Under this programme, invited patients have the choice to receive
cataract surgery from private ohthalmoloigsts, with the help of a fixed
psubsidy</td></tr><tr><td>‘‘Cayman Islands
Companies Act’’,
‘‘Cayman Companies
Act’’ or ‘‘Companies
Act’’</td><td>the Companies Act Cap. 22 (Act 3 of 1961, as consolidated and revised)
of the Cayman Islands</td></tr><tr><td>‘‘CCASS’’</td><td> the Central Clearing and Settlement System established and operated
by HKSCC</td></tr><tr><td>‘‘CCASS Clearing
Participant’’</td><td>a person admitted to participate in CCASS as a direct clearing
participant or a general clearing participant</td></tr><tr><td>‘‘CCASS Custodian
Participant’’</td><td>a person admitted to participate in CCASS as a custodian participant</td></tr><tr><td>‘‘CCASS EIPO’’</td><td> the alifppcation or the Honfg Kong Ofer Shares to be issued in the
name of HKSCC Nominees and deposited directly into CCASS to be
credited to your or a designated CCASS Participant’s stock account
throuh causing HKSCC Nominees to albhppy on your ealf, inclguding
by (i) instructing your broker or custodian who is a CCASS Clearing
Participant or a CCASS Custodian Participant to igve electronic
alippcation instructions via CCASS terminals to alfhHppy or te ong
Konfffg Oer Shares on your behal, or (ii) if you are an existing CCASS
Investor Participant, igving electronic aliiippcaton instructons throuh
gthe CCASS Internet System (htt.ps://i.hhpccasscom) or throug te
CCASS Phone System (usi ng the procedures in HKSCC’s‘‘An
Operating Guide for Investor Participants’’ in effect from time to
time). HKSCC can also input electronic alippcation instructions for
CCASS Investor Participants throuh HKgSCC’s Customer Service
Centre by comlpeting an input request</td></tr><tr><td>‘‘CCASS Investor
Participant’’</td><td>a person admitted to participate in CCASS as an investor participant
who may be an individual, joint individuals or a corporation</td></tr></table>