Ophthalmology – MCQ 12 – Mucin layer tear film deficiency

Mucin layer tear film deficiency occurs in:
a) Keratoconjunctivitis sicca
b) Lacrimal gland removal
c) Canalicular block
d) Herpetic keratitis

Correct answer : a) Keratoconjunctivitis sicca

Mucin synthesising goblet cells are destroyed in Keratoconjunctivitis sicca caused by trachoma and ocular pemphigoid

Read about Tear film – Layers and formation