Clinical analysis of tear film after lamellar keratoplasty.

Aim: To study the tear film stability after lamellar keratoplasty.

Methods: Five female and eight male patients with lamellar keratoconus, aged from 18 to 32, were involved. After lamellar keratoplasty, Schirmer I test(S I t), tear break-up time(BUT) test, fluorescein staining test were used to judge the effect of the surgery at different time point.