Historical clue formulations

• Eye piece — 2023-10-05
• Part of the body first successfully transplanted in 1905 — 2022-03-12
• It's reshaped by Lasik surgery — 2019-12-31
• Part of the eye — 2018-09-02
• Lens cover — 2016-02-06
• Pupil coverer — 2011-08-23
• Pupil cover — 2010-06-20
• Eye part — 2008-07-06
• It's under the conjunctiva — 2003-04-03
• Eye bank donation — 2001-07-31
• Eye bank donation — 2001-05-23
• Eye tissue — 1999-08-16
• Pupil protector — 1998-10-24
• Lens cover? — 1998-05-15
• Window of an eye — 1997-02-04
• Pupil's coat — 1995-05-14
• Ophthalmologist's study — 1994-10-20
• Pupil's protector — 1994-08-23
• Pupil's protection — 1994-06-19
• Eye part — 1993-12-26