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Branch retinal vein occlusion by Dr Adrian Koay
A 52-year old welder complains of reduced left vision (6/24 not improved with pinhole) after being hit by a piece of metal while at work. He is a heavy smoker and a hypertensive (230/120). Slit-lamp examination shows no signs of foreign body or entry point. X-rays of the eyes show no metallic foreign body. Fundoscopy revealed an inferior branch macular vein occlusion as the cause of his reduced vision.
Because of the binocular nature of human vision, it is not uncommon for patients to become aware of reduced vision in one eye only when the either eye was affected by an unrelated event. It is important to stress to the patient that his condition ie. branch vein occlusion is unrelated to his work. In the mean time, he is advised to quit smoking and control his blood pressure. He was also advised to attend the clinic for possible macular laser treatment in two months time if there were persistent macular oedema and the FFA shows leakage.
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