A number of conditions may be associated with a sudden, painless loss of visual acuity in one eye.


Differential diagnosis of a sudden and painless loss of visual acuity involving one eye:

(1) acute keratoconus

(2) injury to the optic nerve

(3) following retrobulbar block for cataract extraction (accidental injection of anesthetic into the subarachnoid space)

(4) occlusion of the central retinal artery

(5) meningeal carcinomatosis

(6) vitreous hemorrhage

(7) retinal hemorrhage

(8) retinal detachment


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