Background & Aims: Change in visual experience impairs circadian rhythms. In this study, The effects of visual deprivation during critical period of brain development and melatonin intake on synaptic plasticity of hippocampal CA1 neurons were evaluated. Methods: This experimental study was done on male rats kept in standard 12 hour light/dark condition (L...

purpose : to evaluate the therapeutic effect of posterior sub-tenon methyl prednisolone in anterior ischemic optic neuropathy, no class 1 study has shown any conclusive medical or surgical treatment for non-arteritic anterior ischemic optic neuropathy (naion). efficacy of systemic or intravitreal steroids was suggested by some studies. this study was performed to evaluate the efficacy and safet...

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intermittent blurring of vision confined to the left eye over a period of 12 months. It did not stop him from reading or driving. There was no history of visual loss, eye pain, or double vision. He had recently been diagnosed with hypertension and hypercholesterolaemia, for which he was treated with felodipine (5 mg once daily) and fluvastatin (40 mg once daily) respectively. He attended his op...

The late Dr. C-., of Clifton, came to me on the 12th of July, 1888, complaining that he had suddenly found some serious "defect of his vision. Two nights before this visit he had gone to bed well. In the morning he awoke with discomfort in the head and difficulty in seeing.

Little detailed work has been reported on the central visual field in diabetes. Scott (I957) stated that "the causation of scotomata by endogenic toxins is extremely rare"; DuboisPoulsen (1952) reported a study of diabetic patients using rod scotometry (Livingston, 1943) in which central field scotomata were found in eyes with no visible retinopathy. The original reference to diabetic patients ...