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Computer vision syndrome. Computer vision syndrome ( CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.
Laser blended vision. Laser blended vision is a laser eye treatment which is used to treat presbyopia (ageing eyes; [1] progressive loss of the ability to focus on nearby objects) or other age-related eye conditions. [1] It can be used to help people that simply need reading glasses, and also those who have started to need bifocal or varifocal ...
When reading glasses are made to your unique prescription and measured for your eyes, the quality of vision is far superior compared to OTC reading glasses, adds Caroline Cho, O.D., optometrist at ...
The blue field entoptic phenomenon is an entoptic phenomenon characterized by the appearance of tiny bright dots (nicknamed blue-sky sprites) moving quickly along undulating pathways in the visual field, especially when looking into bright blue light such as the sky. [ 1] The dots are short-lived, visible for about one second or less, and ...
If you love your blue light glasses and feel they make a difference, there’s no reason to stop using them, the experts note. “There isn’t any harm in wearing the glasses or trying them out ...
The glasses, which sellers claim protect the eyes from potentially harmful blue light coming from screens, first hit the scene in the early 2000s. Search interest skyrocketed in the first year of ...
The thieving brothers toss the cow into a hot air balloon, untie the anchor (rope), and fly away with their prize. Lumpy grabs onto the rope hanging down from the balloon, only to get dragged across the ground. His farm clothes are torn off, his stomach gets scraped, and he is dragged through the circular opening of the pivot the balloon was ...
Pinhole glasses, also known as stenopeic glasses, are eyeglasses with a series of pinhole-sized perforations filling an opaque sheet of plastic in place of each lens. Similar to the workings of a pinhole camera , each perforation allows only a very narrow beam of light to enter the eye which reduces the size of the circle of confusion on the ...