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8.7% global prevalence in 2020 [2] Macular degeneration, also known as age-related macular degeneration ( AMD or ARMD ), is a medical condition which may result in blurred or no vision in the center of the visual field. [1] Early on there are often no symptoms. [1] Over time, however, some people experience a gradual worsening of vision that ...
Frequency. 60 million (2015) [6] A cataract is a cloudy area in the lens of the eye that leads to a decrease in vision of the eye. [1] [7] Cataracts often develop slowly and can affect one or both eyes. [1] Symptoms may include faded colours, blurry or double vision, halos around light, trouble with bright lights, and difficulty seeing at night ...
Glaucoma. Acute angle closure glaucoma of a person's right eye (shown at left). Note the mid-sized pupil, which is non- reactive to light, and redness of the white part of the eye. Glaucoma is a group of eye diseases that lead to damage of the optic nerve, which transmits visual information from the eye to the brain.
Presbyopia is a typical part of the aging process. [4] It occurs due to age related changes in the lens (decreased elasticity and increased hardness) and ciliary muscle (decreased strength and ability to move the lens), causing the eye to focus right behind rather than on the retina when looking at close objects. [4]
t. e. Supplemental Security Income ( SSI) is a means-tested program that provides cash payments to disabled children, disabled adults, and individuals aged 65 or older who are citizens or nationals of the United States. [1] SSI was created by the Social Security Amendments of 1972 and is incorporated in Title 16 of the Social Security Act.
According to the United States Department of Health and Human Services, the older population—persons 65 years or older—numbered 39.6 million in 2009. They represented 12.9% of the U.S. population, about one in every eight Americans. By 2030, there will be about 72.1 million older persons, more than twice their number in 2000.
In Canada, women and older people are more likely to be disabled than working-class men. In comparison to working-age persons between 25 and 65, seniors over 65 reported a disability rate of 38%, which is nearly twice as high. In Canada, women over 15 had a reported disability rate of 24.3%, compared to men's 20%.
Ophthalmology ( / ˌɒfθælˈmɒlədʒi /, OFF-thal-MOL-ə-jee) [1] is a clinical and surgical specialty within medicine that deals with the diagnosis and treatment of eye disorders. [2] A former term is oculism . An ophthalmologist is a physician who undergoes subspecialty training in medical and surgical eye care. [3]