Distichiasis is characterised by all of the following except:
An extra row of cilia is present
Normal row of cilia is present anterior to the openings of the meibomian glands
Extra row of cilia occupies a position posterior to the openings of the meibomian glands
Cilia of the extra row may rub the cornea
Ans. Extra row of cilia occupies a position posterior to the openings of the meibomian glands