Lens Flashcards

1
Q

Congenital abnormalities of the lens

A

Aphakia- lack of lens
Microphakia- to small lens
Spherophakia- spherical lens
Lenticonus- bulging, protrusion of the anterior or posterior pole of the lens.
Coloboma- missing part of the lens, usually notching of the equator.

Most of the congenital lens abnormalities is associated with multiple ocular defects as during embryonal development lens is a important ‘stimulus’ for the development of other parts of the eye.

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2
Q

Aphakia

A

Abscence of the lens. Congenital associated with other ocular abnormalities (microphthalmia etc). Very rare.
Aphakia post-cataract surgery.

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