The leading cause of visual impairment global is cataract. The correct option is A.
What is cataract?
A cataract is an overcast region in the eye's lens. Cataracts are very prevalent as individuals age.
In reality, more than half of all people aged 80 and up have cataracts or have undergone cataract surgery. Individuals may not realize they have a cataract at first.
Cataracts are one of the primary drivers of vision impairment and blindness.
Thus, the correct option is A.
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