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Trichiasis

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What is trichiasis ?

  • It is anomalies of position eyelashes.
  • The inward misdirected of cilia with normal position of lid margin.
  • The inward turning of lashes along with the lid margin is called as pseudotrichiasis.

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What is Causes of trichiasis ?

  • Trachoma
  • Bephritis
  • Healed membranous conunctivitis
  • Hordeolum externum
  • Mechanical Injury
  • Burn
  • Operative scar on ld margin

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What is Symptoms of trichiasis ?

  • FB Sensation
  • Photophobia
  • Irritation
  • Pain
  • Lacrimation

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What is Sign of trichiasis ?

  • Misdirected cilia touching the cornea.
  • Blepharospasm
  • Photohobia occur when cornea is abraded
  • Conjunctiva may be congested

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Complication of Trichiasis

  • Recurrent corneal abrasion
  • Superficial corneal opacity
  • Corneal vascularisation
  • Non healing corneal ulcer

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Corneal Abrasion

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Treatment of Trichiasis

  • Epilation
  • Electrolysis
  • Cryoepilation
  • Surgical correction

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Epilation

  • Mechanical removal with forceps
  • Its is temporary method as recurrent occurs within 3-4 weeks.

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Electrolysis

  • It is method of eyelashes follicle by electric current.
  • In electrolysis infiltration anesthesia is given to the lid
  • 2 mA current is passed for 10 second through a fine needle inserted in to the eyelashes root.
  • Loosened cilia then remove with epilation forceps

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Cryoepilation

  • It is effective method for treating trichiasis.
  • In electrolysis infiltration anesthesia is require
  • The cryoprobe with -20 degree applied for 20-25 second to external lid margin.
  • Its main disadvantages is depigmentaion of the skin.

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Surgical correction for Trichiasis

  • When many cilia are misdirected operative treatment similar to entropin is performed

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