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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.
Radiation burn. A radiation burn is a damage to the skin or other biological tissue and organs as an effect of radiation. The radiation types of greatest concern are thermal radiation, radio frequency energy, ultraviolet light and ionizing radiation . The most common type of radiation burn is a sunburn caused by UV radiation.
The health threat depends on the flux, energy spectrum, and nuclear composition of the radiation. The flux and energy spectrum depend on a variety of factors: short-term solar weather, long-term trends (such as an apparent increase since the 1950s [28]), and position in the Sun's magnetic field. These factors are incompletely understood.
For Your Eyes Only. For Your Eyes Only is a collection of short stories by the British author Ian Fleming, featuring the fictional British Secret Service agent Commander James Bond, the eighth book to feature the character. It was first published by Jonathan Cape on 11 April 1960.
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.
Lucas is a user of Osmosis, a beta dating app, that he hopes will help him with his boyfriend, and stop cheating. [20] Kevin Archer: Gregory Michael: Dante's Cove: One half of gay couple, Kevin's partner on the island is Toby Moraitis. [21] [22] Phillip Ashcroft: Sean O'Bryan: Quantum Leap: A cadet is thrown out of military school for being gay ...
Amblyopia. Anisometropia is a condition in which a person's eyes have substantially differing refractive power. [ 1] Generally, a difference in power of one diopter (1D) is the threshold for diagnosis of the condition. [ 2][ 3] Patients may have up to 3D of anisometropia before the condition becomes clinically significant due to headache, eye ...
The company has been upgrading patients who use its eye treatment, Eylea, to a higher-dose version to beat the impact from cheaper biosimilars available in the market and rival drugs. U.S. sales ...