Many people tend to get confused between bifocal and varifocal glasses. While both of these are prescription glasses that people with both low and near vision needs, they are still different.
Bifocal glasses
Bifocal lenses have two prescription powers on their surface. A small segment in the lower part of the lens is made to give you a better near vision for reading, the rest of the lens area is reserved for distant viewing. These different vision fields are separated by a thin visible line on t
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