PGIMER November 2011 – MCQ 12

All are true except
A. Tear film has lipid, aqeous and mucin layer
B. Lipid layer is produced by meibomian glands
C. Aqueous is formed by filtration from blood capillaries
D. Tear film protects the cornea
E. ?

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PGIMER November 2011 – MCQ 11

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