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Symptoms and Signs – Differential Diagnosis of Visual loss
Sudden
Unilateral
Amaurosis fugax
Central retinal vein occlusion Central retinal artery occlusion Vitreous haemorrhage
Retinal detachment
Giant cell arteritis
Optic neuritis
Bilateral
Severe bilateral papilloedema (malignant hypertension, ii intracranial pressure)
Rapid progression of a lesion compressing the optic chiasm Bilateral infarcts of occipital lobes
Bilateral optic neuritis (rare)

Gradual
Cataracts
Glaucoma
Diabetic retinopathy
Macular degeneration (age-related) Optic nerve compression



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Kembara Xtra 

Facts about medicine and its subtopic such as anatomy, physiology, biochemistry, pharmacology, medicine, pediatrics, psychiatry, obstetrics and gynecology and surgery.