Blepharitis is a chronic inflamation of the lid margin.
Squamous blepharitis:
Etiology:
1-The condition is essentially
metabolic being a manifestation of seborrhea (Dandruff of the scalp is often present).
2-Infection by weak organism which splits Zeis gland secretion into irritant fatty acids.
Clinical picture:
1- Small, white scales are present between the lashes.
2- Removal of the scales reveals a hyperemic lid margin.
Complications:
Ptylosis (thickening and hypertrophy of lid margin).
Treatment :
1- General treatment of seborrhea.
2- Remove scales by a piece of cotton wetted by 3% sodium bicarbonate or by using baby shampoo.
3- Apply antibiotic ointment into the lid margin.
4- Steroid eye ointment.
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