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The experience of eye strain when reading in dim light has given rise to the common misconception that such an activity causes permanent eye damage. [3] When concentrating on a visually intense task, such as continuously focusing on a book or computer monitor, the ciliary muscles and the extraocular muscles are strained. This causes discomfort ...
Recovery of normal epithelial oxygen uptake can occur if contact lens wear is completely halted for one month. [3] Because long periods of contact lens wear are correlated with extended hypoxia, the resurgence of cellular growth and epithelial metabolism following contact lens removal (and hence, improved oxygen circulation) leads to an initial ...
The use of over-the-counter artificial-tear solutions can reduce the effects of dry eye in CVS. Prior to using artificial tear solutions, it is necessary to check if dry eye is the actual cause of the problem (measured by a tear meniscus test) [7] or whether there are no actual symptoms of dry eye at all. Dry eyes because of CVS can also be ...
It can lead to permanent visual loss in one eye that may develop painlessly and suddenly or over several days before it stabilizes. ... most adults ages 51 to 75 years old with diabetes who took ...
Over the last 10 years, you may have heard rumblings about whether the radio waves emitted from your cell phone are capable of causing cancer. Now, a new review commissioned by the World Health ...
A new study in the Journal of Epidemiology and Community Health shows that children who use cell phones regularly are more likely to have behavioral problems. The review was based on information ...
Mobile phone users may encounter stress, sleep disturbances and symptoms of depression, especially young adults. [53] Consistent phone use can cause a chain reaction, affecting one aspect of a user's life and expanding to affect other aspects.
Photic retinopathy is damage to the eye's retina, particularly the macula, from prolonged exposure to solar radiation or other bright light, e.g., lasers or arc welders.The term includes solar, laser, and welder's retinopathy and is synonymous with retinal phototoxicity. [1]