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Google entered in a partnership with the Italian eyewear company Luxottica, owners of the Ray-Ban, Oakley, and other brands, to offer additional frame designs. [28] In June 2014, Nepal government adopted Google Glass for tackling poachers of wild animals and herbs of Chitwan International Park and other parks listed under World heritage sites.
Artist's impression of Leonardo's method for neutralizing the refractive power of the cornea. Leonardo da Vinci is frequently credited with introducing the idea of contact lenses in his 1508 Codex of the eye, Manual D, [9] wherein he described a method of directly altering corneal power by either submerging the head in a bowl of water or wearing a water-filled glass hemisphere over the eye.
Specsavers Optical Group Ltd is a Guernsey multinational optical retail chain, which operates mainly in the UK, Ireland, Australia, New Zealand, Canada, and the Nordic countries. The chain offers optometry and optician services for eyesight testing and sells glasses, sunglasses, and contact lenses. It also sells hearing aids.
Trifocals are eyeglasses with lenses that have three regions which correct for distance, intermediate (arm's length), and near vision. John Isaac Hawkins developed the trifocal lens in 1827. [1] Trifocals are mostly used by people with advanced presbyopia who have been prescribed 2 diopters or more of reading addition. The intermediate addition ...
A US Navy optician adjusting a customer's glasses. An optician is an individual who fits eyeglasses or contact lenses by filling a refractive prescription from an optometrist or ophthalmologist. [1] They are able to translate and adapt ophthalmic prescriptions, dispense products, and work with accessories. [2]
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Anton Chekhov with pince-nez, 1903. Pince-nez (/ ˈ p ɑː n s n eɪ / or / ˈ p ɪ n s n eɪ /, plural form same as singular; [1] French pronunciation:) is a style of glasses, popular in the late 19th and early 20th centuries, that are supported without earpieces, by pinching the bridge of the nose.
A bifocal lens with areas of differing magnification Bifocals with separate lenses. In this case, the Swedish ethnologist Jan-Öjvind Swahn . Bifocals are eyeglasses with two distinct optical powers. Bifocals are commonly prescribed to people with presbyopia who also require a correction for myopia, hyperopia, and/or astigmatism.
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