Yes: It is due to a differing vertex distance or where the corrective lens is placed in relationship to the corneal surface - this is normal.
Answered 7/5/2012
6.3k views
A small difference : Is normal. A significant difference would be unusual but it could just be the way it is written in a different format.
Answered 7/5/2012
6.2k views
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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