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Bioptics, also known as a bioptic in the singular, and sometimes more formally termed a bioptic telescope, is a term for a pair of vision-enhancement lenses. They magnify between two and six times, and are used to improve distance vision for those with severely impaired eyesight, especially those with albinism .
A tower viewer [citation needed] is a telescope or pair of binoculars permanently mounted on a stalk. The device magnifies objects seen through its lenses, allowing users to see farther and more clearly than they could with the naked eye or with less powerful viewing devices.
Unlike a telescope which would be hand-held, the implant moves with the eye which is the main advantage. Patients using the device may however still need glasses for optimal vision and for close work. Before surgery, patients should first try out a hand-held telescope to see if they would benefit from image enlargement.
Binoculars or field glasses are two refracting telescopes mounted side-by-side and aligned to point in the same direction, allowing the viewer to use both eyes (binocular vision) when viewing distant objects. Most binoculars are sized to be held using both hands, although sizes vary widely from opera glasses to large pedestal-mounted military ...
Hisense's Giant 136-inch TV. Hisense is the frontrunner in the massive TV for consumers space race. Last year, I reviewed the larger than life 110 inch QLED, and it was remarkable.Now, it's ...
This word comes from French lorgnette, from lorgner (to take a sidelong look at), but it is a false friend: the equivalent French name for this (obsolete) optical instrument is face-à-main while lorgnette (or lunette d'approche, longue-vue) usually means a ship captain's (monocular) telescope.
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