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Long-term contact lens use can lead to alterations in corneal thickness, stromal thickness, curvature, corneal sensitivity, cell density, and epithelial oxygen uptake, etc. Other changes may include the formation of epithelial vacuoles and microcysts (containing cellular debris) as well as the emergence of polymegethism in the corneal endothelium.
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 ...
This form of myopia is attributed to the use of the eyes for close work during the school years. [68] A 2004–2015 Singapore–Sydney study of children of Chinese descent found that time spent on outdoor activities was a factor. [96] Adult onset myopia; Early adult onset myopia occurs between ages 20 and 40. [74]
Nurses at South Florida State Hospital gave rescue workers Patient 2’s eyes, preserved in ice, to take to the hospital, police reported. But it was not possible to restore the man’s sight.
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.
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All U.S. states are issuing Real ID cards through their driver's licensing agencies, with requirements varying by state. Many offices require a reservation, which you can make online. Visit the ...
The maker of Robitussin settled a consumer lawsuit that claimed its "non-drowsy" cough and flu medicine causes drowsiness, agreeing to pay $4.5 million and remove the "non-drowsy" claim from its ...