Macular degeneration is a visual disturbance due to:
A. Sudden head trauma
B. Ischemia of the central retinal artery
C. Elevated intraocular pressure
D. Physiological aging
ANS: D
Most commonly, macular degeneration is associated with aging and results either from atrophy of the macula or exudation and hemorrhage of the vessels in the macular region.
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