Bifocals

Bifocals.

Bifocal lenses are used to correct both distance and near vision in one pair of glasses. Bifocal lenses have two distinct prescriptions contained in one lens and this distinction between the two can be clearly seen on the lens. There are two main types of bifocal lenses, flat top and round top. This describes the shape of the little line visible on the front of the lens where the reading portion is positioned.

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