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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.
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.
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 ...
The breaking community wants the world to give b-girl Raygun a break as the Paris Olympics wrapped up. The sport made its Olympic debut in Paris — it might never be back — and one of the ...
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Palep herself was quite concerned with the dosage of the light therapy provided by the masks, as not every patient may require the same amount and duration of the treatment. "The potential dangers ...
The reset has left the park running only on auxiliary power and disabled the electric fences around the dinosaur paddocks, allowing the creatures to break free. Upon realizing his mistake, Arnold volunteers to go to the power plant and restart the main generator; before he can accomplish this task, though, he is killed by an escaped Velociraptor .
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