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ZEISS Bifocal Classic Aphal R 22 1.5 is a plastic, aspheric and lenticular bifocal which has been specially designed for aphakia and high hyperopic powers. R 22 is the code used to denote the 22 mm width of the oval segment which has been adapted to meet standard conditions of use.
Thanks to the aspheric design of the aperture, ZEISS Bifocal Classic Aphal R 22 1.5 not only provides excellent visual quality, but also permits a flatter lens design at the same time. The shape factor (effective magnification) is reduced, with the result that the wearer’s eyes appear less magnified. Finally, patients will appreciate the enhanced wearing comfort provided by lighter lenses.
The special feature of ZEISS Bifocal Classic Aphal R 22 1.5 is its aspherically designed front surface and margin asphere. Instead of an abrupt transition between the aperture and the margin, Classic Aphal features a curved, continuous transition zone, preventing a sudden change in dioptric power and hence eliminating the ring-shaped gap in the visual field ("ring scotoma") typical of standard lenticular lenses. ZEISS Bifocal Classic Aphal R 22 1.5 therefore allows the wearer to utilise the entire visual field without any impairment of orientation.
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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Email: VTS -NA @zeiss .com