Assertion: macular degeneration's vision | /r/CreatedBy | the disease
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Source sentences:
text: Although some patients have regained vision, the medication may not restore vision that has already been lost, and may not ultimately prevent further loss of vision caused by the disease.
text: Blurry or distorted central vision can be caused by a number of diseases, and patients who notice this should have a retinal exam by an eye doctor who uses dilating eye drops.