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Vukicevic, Meri; Le, Anh; Baglin, James – Journal of Visual Impairment & Blindness, 2012
In the typical human visual system, the macula allows for high visual resolution. Damage to this area from diseases, such as age-related macular degeneration (AMD), causes the loss of central vision in the form of a central scotoma. Since no treatment is available to reverse AMD, providing low vision rehabilitation to compensate for the loss of…
Descriptors: Teaching Methods, Pathology, Reading Comprehension, Vision
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Science Teacher, 2005
Two science questions are answered: (1) How can someone have one brown eye and one blue eye?, and (2) Why are magnets attracted to some metals, but not all metals? It is very rare that a human will have two irises of different colors. This condition, heterochromia, can be a normal variant or the result of an ocular disease. Heterochromia can…
Descriptors: Human Body, Color, Diseases, Genetics