Noninfectious Keratitis and Keratopathy

This category encompasses a wide variety of corneal disorders, some of which, such as keratoconjunctivitis sicca, occur very frequently. Causes include:

❖ Inflammations (blepharitis and conjunctivitis).

❖ Injuries (rubbing the eyes, foreign bodies beneath the upper eyelid, contact lens incompatibility, exposure to intense ultraviolet irradiation).

❖ Age-related changes (senile ectropion with trichiasis; spastic entropion; keratoconjunctivitis sicca).

❖ Surgery (cataract or glaucoma).

❖ Endogenous factors (facial neuropathy).

❖ Exogenous factors (medications or preservatives).

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Discarding Negative Habits

Discarding Negative Habits

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