15 inches, or 40cm: In general a patient needs to read at 40 cm or 15 inches keeping your reading material closer than this distance means patient needs more power on the reading glasses. Reading at a distance closer than 15 inches might cause eye strains, headaches, blurry virion.
Answered 8/10/2020
5.3k views
Depends: Whatever distance is comfortable is the right distance for you. If no distance is comfortable, then you need glasses for this task.
Answered 9/9/2018
5.3k views
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A doctor has provided 1 answer
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