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What are bifocal lenses?

Answer: 

This type of multifocal lenses has two prescriptions (one for distance at the top, and one for near vision at the bottom) with a visible dividing line or curve on the lens.

There are four types of bifocal - D Segment, Executive, Round Segment and C Segment; your optician will prescribe one of these shapes depending on your lifestyle and visual needs.

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