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Bifocal-/ Trifocal lenses provide presbyopes with clear vision for two or three different ranges, usually for distance, intermediate and near vision.
With a segment in the lower area of the lens, a bifocal or trifocal displays two different or three dioptric powers.
ZEISS is one of the world’s leading manufacturers of eyeglass lenses, and is committed to delivering maximum precision and comfort. ZEISS designs and produces lenses, instruments and measurement systems, as well as retail concepts and technology services that continue to raise the bar in vision care.
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ZEISS Instruments Support
1-800-201-4143
Email: VTS -NA @zeiss .com