Definition of Trifocals. Meaning of Trifocals. Synonyms of Trifocals

- length), and near vision. John Isaac Hawkins developed the trifocal lens in 1827. Trifocals are mostly used by people with advanced presbyopia who have...
- In computer vision, the trifocal tensor (also tritensor) is a 3×3×3 array of numbers (i.e., a tensor) that incorporates all projective geometric relationships...
- derived from the geometry of the back surface of the lens. Bifocals and trifocals result in a more complex lens profile, compounding multiple surfaces....
- prescribed to correct presbyopia may be simple reading gl****es, bifocals, trifocals, or progressive lenses. People over 40 are at risk for developing presbyopia...
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- Lorgnette Opera Monocle Pince-nez Pinhole Rimless Scissors Shooting Smart Trifocals Windsor X-ray Sungl****es Aviator Mirrored Solar viewer Shutter Wayfarer...
- bifocals may have been such a case. John Isaac Hawkins, the inventor of trifocal lenses, coined the term bifocals in 1824 and credited Benjamin Franklin...
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- avoid the discontinuities (image-jumps) sometimes found with bifocal and trifocal lenses Some people find them more cosmetically attractive. Because bifocals...
- Lorgnette Opera Monocle Pince-nez Pinhole Rimless Scissors Shooting Smart Trifocals Windsor X-ray Sungl****es Aviator Mirrored Solar viewer Shutter Wayfarer...