, Aphakia – literally means absence of crystalline lens from the eye.
Optical point – A condition in which the lens is absent from the
pupillary area – doesn’t take part in refraction
Produces a high degree of hypermetropia.
, CAUSES
Congenital absence of lens – rare condition
Surgical aphakia – removal of lens – common form.
Aphakia due to absorption of lens matter – rarely after trauma in
children.
Traumatic extrusion of lens - also constitutes a rare cause of aphakia.
Posterior dislocation of lens in vitreous – produces optical aphakia.