Cornea and Corneal Diseases
The cornea is the reasonable front surface of the eye. It lies straightforwardly before the iris and student, and it enables light to enter the eye. The even distance across of the cornea ordinarily measures around 12 millimeters (mm), and the vertical width is 11 mm, when seen from the front. However, in the event that saw from behind, the cornea seems round, with a uniform width of around 11.7 mm. This makes the cornea around 66% the extent of a dime. The focus thickness of the normal cornea is around 550 microns, or marginally the greater part a millimeter. Some of the common corneal diseases are Corneal ectasia, Keratoconus, Fungal keratitis, Acanthamoeba keratitis, Corneal dystrophy, Corneal ulcer, Dry eyes, Chalazion, Corneal abrasion.