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The macula lutea is thought to act as a short wavelength filter, additional to that provided by the lens (Rodieck, 1973). As the fovea is the most essential part of the retina for human vision, protective mechanisms for avoiding bright light and especially ultraviolet irradiation damage are essential.
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webvision.med.utah.edu/sretina.html
webvision.med.utah.edu/sretina.html
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Macula - (yellow spot) This part of the retina is the most sensitive. Its diameter is only 7 mm or about 1/4 inch. It is responsible for our central, or reading vision. This part of the retina gives us 20/20 vision.
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www.99main.com/~charlief/Blindness.htm
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This is one reason why scientists are interested in retinal processing; the retina is an accessible part of the brain that can be easily stimulated with light...
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www.cis.rit.edu/people/faculty/montag/vandplite/pages/c...
www.cis.rit.edu/people/faculty/montag/vandplite/pages/chap_8/ch8p3.html
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Two of the circa 600 naturally occurring carotenoids, zeaxanthin and lutein, the major carotenoids of maize and melon respectively, are the constituents of the macula lutea, the yellow spot in the macula, the central part of the retina in primates and humans. ... The Medscape Journal ... Allergy & Clinical Immunology...
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www.medscape.com/medline/abstract/1450592?src=emed_ckb_...
www.medscape.com/medline/abstract/1450592?src=emed_ckb_ref_0
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It has a very high concentration of special cells called cones which make it the only part of the retina capable of 20/20 vision. Any disease that affects the macula, such as macular degeneration, will result in a decrease in straight ahead central vision.
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www.vrmny.com/pe/anatomy.html
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Retina - Wikipedia, the free encyclopedia
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The vertebrate retina is a light sensitive tissue lining the inner surface of the eye. The optics of the eye create an image of the visual world on the retina, which serves much the same function as...
en.wikipedia.org/wiki/Retina
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Probing further, the researchers found that the patient appeared to be using the treated part of her eye like a second fovea--the part of the retina that is most densely populated with photoreceptors and is typically used for detailed vision, such as reading.
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www.technologyreview.com/biomedicine/23239/
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Conditions and Diseases question: What part of the retina does not have photoreceptors? At the physiological blind spot, where the optic nerve crosses the retina. ... Answers.com > Wiki Answers > Categories > Health > Conditions and Diseases > What part of the retina does not have photoreceptors?
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wiki.answers.com/Q/What_part_of_the_retina_does_not_hav...
wiki.answers.com/Q/What_part_of_the_retina_does_not_have_photoreceptors
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I just had an eye exam, and had laser to tack down ... I just had an eye exam, and had laser to tack down a part of my retina for preventative measures...The eye Dr. is closed and I forgot to ask if I could workout? I'm assuming it's ok, but I wanted to know if I could carry on my normal daily activities.
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answers.yahoo.com/question/index?qid=20081215142811AAVt...
answers.yahoo.com/question/index?qid=20081215142811AAVte42
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