Background The ocular surface changes of keratoconjunctivitis sicca (KCS) could be the result of the effect of an altered tear film on the epithelial ... the tear ferning test, conjunctival ...

Keratometry measurements showed significant variability in patients with unstable tear film before cataract surgery. Artificial tears and other appropriate treatments should be considered.

The normal ocular surface is covered by a layer of tear film. This tear film is the initial refractive surface of the eye, which bends light into focus. The maintenance of a stable, healthy tear ...

This review describes the impact of contact lens wear on the tear film lipid layer and how changes in the lipid layer might modulate contact lens-related discomfort. Relevant clinical, functional ...