Styes
An inflammation of a gland at the base of an eyelash. Painful but disappears after a few days with out treatment. The use of warm compression and the use of anti-infective drops and ointment may be prescribed to prevent the infection.

Blepharitis
he generalized inflammation of the eyelid margins, with redness, itching and discharge. It tends to be persistent and mat cause the eyelashes to fall out or to turn inward so they irritate the cornea. Blepharitis is probably the single most common cause of all eye discomfort. Blepharitis is of two types, seborrheic blepharitis and ulcerative blepharitis. An anti-infective is required to eliminate the eye infection and, if necessary, a topical steroid.

Microbial Keratitis/ Corneal Ulcer
Inflammation of the cornea due to microorganisms. The term keratitis and corneal ulcer are often used interchangeably. It is usually regarded as more serious than conjunctivitis because scarring of the cornea and cause blurring of vision.

Pre disposing factors:
1. Contact lens wear
2. Ocular surface disease (dry eye)
3. Corneal-anaesthesia
4. Bullous keratopathy
5. Trauma.