(Medical Xpress)—Dichromacy is a color vision defect in which one of the three types of cone photoreceptors is missing. The condition is hereditary and sex-linked, mostly affecting males. Although researchers have explored ...
(HealthDay)—Here's one more ability that seems to decline with age: color sense. A new study finds that many people lose their ability to clearly distinguish certain colors as they age, with losses typically starting around ...
Mar 18, 2014
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Abnormal color vision increases significantly with aging—affecting one-half or more of people in the oldest age groups, reports a study in Optometry and Vision Science, official journal of the American Academy of Optometry.
Feb 20, 2014
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Prostaglandin analogues (PGAs), drugs which lower intraocular pressure, are often the first line of treatment for people with glaucoma, but their use is not without risks. PGAs have long been associated with blurred vision, ...
May 21, 2013
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Cone receptors in the human eye lose their color sensitivity with age, but our subjective experience of color remains largely unchanged over the years. This ability to compensate for age-related changes in color perception ...
May 8, 2013
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Have you ever wondered whether it's possible to look at two places at once? Because our eyes have a specialized central region with high visual acuity and good color vision, we must always focus on one spot at a time in order ...
Feb 21, 2013
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After years of research, the first bionic eye has seen the light of day in the United States, giving hope to the blind around the world.
Feb 5, 2013
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The way that the visual centers of men and women's brains works is different, finds new research published in BioMed Central's open access journal Biology of Sex Differences. Men have greater sensitivity to fine detail and ...
Sep 3, 2012
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