Friday, February 18, 2011


§Any opacity within the lens

ØDense opacity, obscuring the view of retina
ØMinimal opacity, allowing the view of retina

§Progressive painless loss of vision

§Reduced visual acuity
§Opacity in the lens
§Other eye examination - normal

Senile cataract – ageing process
§Intrauterine infection
§Maternal drug ingestion
§Chromosomal abnormality – eg.Down synd.
§Metabolic disorder – eg. galactosemia.

Secondary (acquired) cataract
§Drug induced – eg. Steroid
§Inflammation – eg. Uveitis
§Systemic Disease – eg. Diabetes

       (otherwise known as lazy eye, is a disorder of the visual system that is characterized by poor or indistinct vision in an eye that is otherwise physically normal, or out of proportion to associated structural abnormalities.) 
        (A group of diseases of the optic nerves involving loss of retinal ganglion cells in pattern of optic neuropathy, which a/w visual field loss and elevated intraocular pressure (IOP) is one of the primary risk factors)

        (specifically refers to inflammation of the middle layer of the eye, termed the "uvea" but in common  usage may refer to any inflammatory process involving the interior of the eye.)

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