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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.
Closed-eye hallucinations and closed-eye visualizations (CEV) are hallucinations that occur when one's eyes are closed or when one is in a darkened room. They should not be confused with phosphenes , perceived light and shapes when pressure is applied to the eye's retina, or some other non-visual external cause stimulates the eye.
Entoptic phenomena (from Ancient Greek ἐντός (entós) 'within' and ὀπτικός (optikós) 'visual') are visual effects whose source is within the human eye itself. (Occasionally, these are called entopic phenomena, which is probably a typographical mistake.) In Helmholtz 's words: "Under suitable conditions light falling on the eye ...
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.
We've all grown up thinking that sitting too close to the television is damaging to our eyes ... but that might not be the case. Technology spawns lots of confusion ... and a few affectionately ...
On May 21, 2012, Ray J was found in his hotel room, unable to get out of bed and was rushed to a hospital by ambulance. The day before, he was said to have had a confrontation at the 2012 Billboard Music Awards when Whitney Houston's sister-in-law Pat Houston called security on him when she saw Ray J was seated next to Bobbi Kristina Brown ...
The next morning the girls return to find the apartment in shambles and Jack in bed with someone. That someone turns out to be Mr. Roper, who is mortified to find himself in Jack's bed. Although Jack knows that the only explanation is that both he and Mr. Roper must have passed out from having too much to drink, Mr. Roper cannot remember a ...
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