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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 may ...
Myopia. Myopia, also known as near-sightedness and short-sightedness, [5] is an eye disease [6][7][8] where light from distant objects focuses in front of, instead of on, the retina. [1][2][7] As a result, distant objects appear blurry while close objects appear normal. [1]
Autism therapies. A three-year-old with autism points to fish in an aquarium, as part of an experiment (2004) on the effect of intensive shared-attention training on language development. [1] Autism therapies include a wide variety of therapies that help people with autism, or their families. Such methods of therapy seek to aid autistic people ...
Ludwig van Beethoven debuted his Ninth Symphony, widely regarded as one of the masterpieces of Western classical music, in 1824 as he was losing his hearing. To celebrate 200 years since its debut ...
That figure drops to slightly less than a third of men. Strong friendships provide a sense of belonging and purpose, and also reduce stress. They fulfill us mentally, physically, and emotionally ...
Cataract surgery is the most common application of lens removal surgery, and is usually associated with lens replacement. It is used to remove the natural lens of the eye when it has developed a cataract, a cloudy area in the lens that causes visual impairment. [4][10] Cataracts usually develop slowly and can affect one or both eyes. [4]
Aquatic therapy has also been shown to alleviate symptoms of multiple sclerosis. Aquatic cycling and aerobic exercise is a safe and effective way to increase muscular strength, endurance, and circulation in MS patients. Aquatic therapy has decreased patient's pain, aided in depression/fatigue, and improved cardiorespiratory fitness.
The human eye is a sensory organ in the visual system that reacts to visible light allowing eyesight. Other functions include maintaining the circadian rhythm, and keeping balance. Arizona Eye Model. "A" is accommodation in diopters. The eye can be considered as a living optical device. It is approximately spherical in shape, with its outer ...