Significant loss of vision in a patient with hypeension can occur due to all of the following, except:
C i.e. Papilloedema In papilloedema visual acuity & pupillary reactions remain normal (almost) until optic atrophy sets in. Q It presents with painless & gradually progressive loss of vision Q with enlargement of blind-spot & progressive contraction of visual field. In papilloedema the visual loss is in significant. In papilloedema there is painless gradually progressive loss of vision which is usually bilateralQ which occurs after a long time only when optic atrophy sets in. Lesions of the calcarine coex (a pa of occipital lobe) usually produces a macular sparing congruous homonymous hemianopia, whereas injuries to the tip of the occipital coex produces the same without macular sparing. B/L occipital coex lesion 1/t coica blindness. Clinical entity in spontaneous Anterior Ishchemic Optic Neuropathy (AION) comprises of sudden loss of vision. Retinal haemorrhage can of course lead to quite significant loss of vision.
Occipital infarct
Anterior ischemic optic neuropathy
Papilloedema
Retinal hemorrhage