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Cataract surgery may be performed to correct vision problems on both eyes. If both eyes are suitable, people are usually advised to consider monovision. This procedure involves inserting an IOL providing near vision into one eye, while using one that provides distance vision for the other eye.
A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers. Liquid crystals do not emit light directly [1] but instead use a backlight or reflector to produce images in color or monochrome.
In medicine, a prosthesis (pl.: prostheses; from Ancient Greek: πρόσθεσις, romanized: prósthesis, lit. 'addition, application, attachment'), [1] or a prosthetic implant, [2] [3] is an artificial device that replaces a missing body part, which may be lost through physical trauma, disease, or a condition present at birth (congenital disorder).
Hazbin Hotel is an American adult animated musical comedy television series created by Vivienne "VivziePop" Medrano. [1] [4] The series revolves around Charlie Morningstar, princess of Hell, on her quest to find a way for sinners to be "rehabilitated" and allowed into Heaven, via her "Hazbin Hotel", as an alternative to Heaven's annual "Extermination" of souls due to Hell's overpopulation.
The reflex design scheme is the primary difference between a DSLR and other digital cameras. In the reflex design, light travels through the lens and then to a mirror that alternates to send the image to either a prism, which shows the image in the optical viewfinder, or the image sensor
The revised mnemonic BE FAST, which adds balance (sudden trouble keeping balance while walking or standing) and eyesight (new onset of blurry or double vision or sudden, painless loss of sight) to the assessment, has been proposed to address this shortcoming and improve early detection of stroke even further.
Copernicus's Toruń birthplace (ul. Kopernika 15, left).Together with no. 17 (right), it forms Muzeum Mikołaja Kopernika.Nicolaus Copernicus was born on 19 February 1473 in the city of Toruń (Thorn), in the province of Royal Prussia, in the Crown of the Kingdom of Poland, [10] [11] to German-speaking parents.
Vitaly Abalakov (1906–1986), Russia – camming devices, Abalakov thread (or V-thread), gearless ice climbing anchor; Ernst Karl Abbe (1840–1905), Germany – Condenser (microscope), apochromatic lens, refractometer
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