Other Risk Factors From Cataracts
- By Matt Chang
- Published 10/26/2008
- Diseases and Conditions
- Unrated
While constant exposure to ultraviolet (UV) brightness is harmful, experts believe this as just one of the factors in the growth of cataracts along with genetic endowment, malnutrition, injury, certain diseases, and the use of steroids.
2 other groups at chance for UV harm are those who've had cataract procedures and those admitting certain medications that step-up their predisposition to sunlight.
In a cataract surgery, the cloudy lens is transferred, leaving the retina exceedingly vulnerable to UV irradiation. But if the pathological lens is put back with an intraocular lens imbed which blocks UV, there's no call for to concern.
Photosensitivity is in all likelihood to occur in some folks admitting anticancer doses, water pills, tranquillisers, antidepressants, antihistamines, birth control pills, Retin-A, anti-diabetic or high blood pressure medications, and topical antiseptic ointments.
"Probably the best known of these photosensitizing doses is psoralen, used in so-called PUVA treatment of psoriasis. Studies have shown that PUVA can cause cataracts unless patients wear UV-absorbing shades for at least 24 hours after treatment. Other doses that may photosensitize include tetracycline, doxycycline, allopurinol, and phenothiazine compounds. Whether or not they might contribute to cata
racts is unknown. People admitting such doses had finer consider wearing shades outdoors to reduce any risk," according to the editors of Consumer articles.
Staring at the sun is also disadvantageous. The danger of blindness affiliated with this exercise is not caused by the sun's heat but by obvious brightness with shorter wavelengths - the so-called blue brightness of the spectrum.
Exposure to blue brightness has been implicated in macular degeneration, an age-related condition caused by the abnormal growth of blood vessels in the macula. This is the tissue in the center of the retina which is responsible for central vision.
"The best evidence from harm comes from laboratory studies in which monkeys and other mammals have been exposed for varying times to high levels of specific blue-brightness wavelengths. The blue brightness produced retinal lesions similar to the damage observed in macular degeneration," Consumer articles said.
Protect your eyes with a solid pair of sunglasses that protect you from the UV rays. When you purchase your pair of eye glasses, make sure that you are getting a good UV rating. If you think you may have a problem with your vision, or may be experiencing the side effects of the onset of cataracts, make the appointement to visit your opthamologist. Your health and vision is nothing to take advantage of and without proper care and prevention, you could make things worse.
2 other groups at chance for UV harm are those who've had cataract procedures and those admitting certain medications that step-up their predisposition to sunlight.
In a cataract surgery, the cloudy lens is transferred, leaving the retina exceedingly vulnerable to UV irradiation. But if the pathological lens is put back with an intraocular lens imbed which blocks UV, there's no call for to concern.
Photosensitivity is in all likelihood to occur in some folks admitting anticancer doses, water pills, tranquillisers, antidepressants, antihistamines, birth control pills, Retin-A, anti-diabetic or high blood pressure medications, and topical antiseptic ointments.
"Probably the best known of these photosensitizing doses is psoralen, used in so-called PUVA treatment of psoriasis. Studies have shown that PUVA can cause cataracts unless patients wear UV-absorbing shades for at least 24 hours after treatment. Other doses that may photosensitize include tetracycline, doxycycline, allopurinol, and phenothiazine compounds. Whether or not they might contribute to cata
Staring at the sun is also disadvantageous. The danger of blindness affiliated with this exercise is not caused by the sun's heat but by obvious brightness with shorter wavelengths - the so-called blue brightness of the spectrum.
Exposure to blue brightness has been implicated in macular degeneration, an age-related condition caused by the abnormal growth of blood vessels in the macula. This is the tissue in the center of the retina which is responsible for central vision.
"The best evidence from harm comes from laboratory studies in which monkeys and other mammals have been exposed for varying times to high levels of specific blue-brightness wavelengths. The blue brightness produced retinal lesions similar to the damage observed in macular degeneration," Consumer articles said.
Protect your eyes with a solid pair of sunglasses that protect you from the UV rays. When you purchase your pair of eye glasses, make sure that you are getting a good UV rating. If you think you may have a problem with your vision, or may be experiencing the side effects of the onset of cataracts, make the appointement to visit your opthamologist. Your health and vision is nothing to take advantage of and without proper care and prevention, you could make things worse.
Matt Chang
Visit cataractcity to learn more about cataract laser surgery and what are Cataracts.
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