Inward misdirection of cilia with the normal position of the lid margin.
Pseudotrichiasis: Trichiasis + abnormal position of lid margin
Etiology
Cicatrising trachoma, ulcerative blepharitis, healed membranous conjunctivitis, hordeolum externum, mechanical injuries, burns, operative scar on lid margin
Clinical Features
Symptoms
- Foreign body sensation
- Photophobia
- Irritation, pain, lacrimation
Signs
- Misdirected cilia
- Reflex blepharospasm and photophobia on corneal abrasion
- Congested conjunctiva
- Signs of causative disease viz. trachoma, blepharitis, etc may be present
Complications:
- Recurrent corneal abrasions
- Superficial corneal opacities
- Corneal vascularisation
- Non-healing corneal ulcer
Management
- Epilation
- Temporary measure
- Recurrence within 3-4 weeks
- Electrolysis
- Cryoepilation
- Double freeze-thaw technique
- Surgical Correction