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Certified Ophthalmic Medical Technologist (COMT)

Category - COMT

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Which of these is the most common cause of a visual field defect?

Pituitary tumor
Glaucoma
Optic neuritis
Retinal detachment

Explanation

Answer: A - A pituitary tumor is the most common cause of visual field defect.

A non-secreting macroadenoma causes the majority of cases. Glaucoma, optic neuritis, and retinal detachment may lead to a visual field defect, but a pituitary tumor is the most common cause.

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