It occurs commonly in patients between 45 and 60 who are hypertensive, smokers or have high serum lipids.
Symptoms:
Moderate to severe visual loss.
A) Color vision:
It's impaired in proportion to the visual acuity in contrast to optic neuritis in which Color vision is markedly impaired out of proportion to the visual acuity.
B) Fundus: examination shows edema of the optic disc that may be diffuse or affecting one sector.
Also the disc becomes surrounded by splinter shaped hemorrhages.
Investigations:
Field vision: field defects in the form of altitudinal scotoma, arcuate scotoma and occasionally centrally if papillomacular bundle is affected.
Blood picture and serum lipids.
Fate:
Gradual resolution followed by optic nerve pallor occurs in most patients.
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