An oily "lipid" layer that reduces evaporation, stabilizes the tear film, and ensures high optical quality of its surface. Lipids are produced by the meibomian glands.
Ichthyosis unites a group of disorders manifested by peeling. In severe clinical cases of ichthyosis, patients die due to the addition of a widespread skin infection that is not amenable to therapy.
Megalocornea is defined as a condition in which the horizontal diameter of the cornea exceeds 13 mm and does not tend to increase further. Intraocular pressure is within normal limits