Definition of Trifocals. Meaning of Trifocals. Synonyms of Trifocals

Here you will find one or more explanations in English for the word Trifocals. Also in the bottom left of the page several parts of wikipedia pages related to the word Trifocals and, of course, Trifocals synonyms and on the right images related to the word Trifocals.

Definition of Trifocals

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Meaning of Trifocals from wikipedia

- 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....
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- Gl****es used to correct presbyopia may be simple reading gl****es, bifocals, trifocals, or progressive lens. People over 40 are at risk for developing presbyopia...
- Lorgnette Opera Monocle Pince-nez Pinhole Rimless Scissors Shooting Smart Trifocals Windsor X-ray Sungl****es Aviator Mirrored Solar viewer Shutter Wayfarer...
- Lorgnette Opera Monocle Pince-nez Pinhole Rimless Scissors Shooting Smart Trifocals Windsor X-ray Sungl****es Aviator Mirrored Solar viewer Shutter Wayfarer...
- Lorgnette Opera Monocle Pince-nez Pinhole Rimless Scissors Shooting Smart Trifocals Windsor X-ray Sungl****es Aviator Mirrored Solar viewer Shutter Wayfarer...
- Lorgnette Opera Monocle Pince-nez Pinhole Rimless Scissors Shooting Smart Trifocals Windsor X-ray Sungl****es Aviator Mirrored Solar viewer Shutter Wayfarer...
- as a generalized ellipse. Generalized conics with three foci are called trifocal ellipses. This can be further generalized to curves which are obtained...