Squamous blepharitis

Definition:-

Blepharitis is defined as chronic inflammation of the lid margin.

Predisposing factor:-

  1. Old age.
  2. DM
  3. Malnutrition
  4. Avitaminosis
  5. Uncontrolled error of refraction

-squamous blepharitis is mainly metabollic , being a manifestation of seborrhea ( dandruff of the scalp is often present)

– squamous blepharitis is caused by infection by weak organism which splits zeis gland secretion into irritant fatty acids.

clinically:-

  1. Small , white scales are present between the lashes.
  2. Removal of the scales reveals a hyperemic lid margin.

ptylosis ( thickening and hypertrophy of lid margin) is considered a complication to squamous blepharitis.

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.


Category | Ophthalmology
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