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Woman over 50 reading a book without needing glasses. Glasses can be a fashion statement—even people with perfect vision might don a pair just for fun.
Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception.In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [6]
Glasses may also house other corrective or assistive devices. After the development of the transistor in the 1940s, combined eyeglass-hearing aids became popular. With thick-rimmed glasses the fashion at the time, a hearing aid could be concealed in the temple part of the frame. These fell out of fashion after the 1970s, but there are still ...
Adaptation to the small field of view offered by the reading segment of bifocals can take some time, as the user learns to move either the head or the reading material rather than the eyes. Computer monitors are generally placed directly in front of users and can lead to muscle fatigue due to the unusual straight and constant movement of the ...
Check out these smart famous glasses wearers: Researchers at the University Medical Center in Germany linked spending more time in school and People who wear glasses are smarter, study claims Skip ...
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Glasses prescribed to correct presbyopia may be simple reading glasses, bifocals, trifocals, or progressive lenses. [4] People over 40 are at risk for developing presbyopia and all people become affected to some degree. [1] An estimated 25% of people (1.8 billion globally) had presbyopia as of 2015. [3]