A member asked:

Can you tell me what the + or the - mean on my sph section of my eye exam?

A doctor has provided 1 answer

Refractive errors: Include myopia and hyperopia. Myopia, or nearsightedness, is designated by a "-" on your prescription, while hyperopia, or farsightedness, is designated by a "+". These symbols are followed by a number which indicate how significant your correction need is.

Answered 3/24/2014

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