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Macular degeneration typically occurs in older people, [1] and is caused by damage to the macula of the retina. [1] Genetic factors and smoking may play a role. [1] The condition is diagnosed through a complete eye exam. [1] Severity is divided into early, intermediate, and late types. [1] The late type is additionally divided into "dry" and "wet" forms, with the dry form making up 90% of ...
Visual or vision impairment ( VI or VIP) is the partial or total inability of visual perception. In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment – visual impairment may cause the individual difficulties with normal daily tasks including reading and walking. [6] The terms low vision and blindness are often used for levels of impairment which ...
In 1895, New York City pediatrician Henry Heiman intentionally infected two mentally disabled boys—one four-year-old and one sixteen-year-old—with gonorrhea as part of a medical experiment. A review of the medical literature of the late 19th and early 20th centuries found more than 40 reports of experimental infections with gonorrheal ...
Private institution Simpson College in Indianola allows senior citizens (65 and older) to take one noncredit college course for free per semester.
Orbis International is an international non-profit non-governmental organization (NGO) dedicated to saving sight worldwide. [1] [non-primary source needed] Its programs focus on the prevention of blindness and the treatment of blinding eye diseases in developing countries through hands-on training, public health education, advocacy and local ...
Presbyopia is physiological insufficiency of accommodation associated with the aging of the eye that results in progressively worsening ability to focus clearly on close objects. [4] Also known as age-related farsightedness [5] (or age-related long sight in the UK [6] ), it affects many adults over the age of 40. A common sign of presbyopia is difficulty reading small print which results in ...
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The 57-year-old from Pigeon, Michigan, died of blunt force craniocerebral trauma when a 75-pound (34 kg) spotted eagle ray leaped out of the water and knocked her over off the coast of Marathon Key, Florida. The ray also died.