Which issue cannot currently be treated either surgically or through the use of corrective lenses?

Name: Which issue cannot currently be treated either surgically or through the use of corrective lenses?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Currently, there is no surgical or corrective lens treatment for age-related macular degeneration, although there are some therapies that can slow its progression or lessen its impact on vision. Cataracts, glaucoma, and presbyopia can all be treated surgically or with corrective lenses.

Which Issue Cannot Currently Be Treated Either Surgically or Through