Tichiasis is an uncomfortable condition in which the eye lashes are misdirected toward the eye ball and scratch its surface, the cornea. The position of the lower lid is normal, but the lashes point in the wrong direction. This may cause infection and scarring of the cornea. The most common cause is chronic inflammation with [...]
Articles on ‘Cornea’
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January 8th, 2006
Corneal Abrasions and Recurrent Erosions
One of the most common injuries of the eye is an abrasion. In this condition, the surface layer of the eye (epithelium) is removed by such dangerous intruders as a baby’s fingernails, tree limbs, bushes, and the like. Abrasions are very painful. They also cause excessive tearing, redness and blurred vision. These usually heal [...]
January 7th, 2006
Pterygium
A pterygium, pronounced with a silent P, is a fibrous, fleshy growth on the surface of the clear cornea, usually beginning on the inner aspect of the eye. A degenerative change in normally existing structures, it occurs most frequently in patients who are exposed to lots of sun, wind, dust, or harsh climates. Most commonly [...]
January 7th, 2006
What is Keratoconus?
Keratoconus is a developed abnormality in which the cornea progressively becomes thinned centrally and bulges forward in a conical fashion. It usually occurs in both eyes and is seen more often in females. It creates irregular astigmatism that cannot be corrected with eyeglasses. Rigid contact lenses have been used to correct the visual defect. If [...]
January 7th, 2006
Understanding Fuchs’ Dystrophy
Fuchs’ dystrophy is a relatively common corneal dystrophy. To understand what it is, you must first understand what the cornea is. The cornea is the clear “window: covering the iris and the pupil of the eye. The cornea must be clear in order for the vision to be clear. The cornea can be thought of [...]
