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In fact, right the early access to their Mother's Day gift shop gives an extra 25% off your purchase, but the deal ends April 28. There are plenty of newly added items in the sale section, where ...
One style is hard contact lenses, which can distort the shape of the cornea to a desired shape. Another style, soft contact lenses, are made of silicone or hydrogel. Depending on the duration they are designed for, they may be worn daily or may be worn for an extended period of time, such as for weeks. There are a number of complication ...
Corrective lenses provide vision correction over a range as high as +4.0 diopters. People with presbyopia require a convex lens for reading glasses; specialized preparations of convex lenses usually require the services of an optometrist. Contact lenses can also be used to correct the focusing loss that comes along with presbyopia.
940 million / 13% (2015) [5] 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]
NEW ORLEANS (Reuters) -Debate over whether U.S. interest rates are high enough deepened among Federal Reserve officials this week, and may be stoked further after a key survey showed a jump in ...
1.5 billion people (22%) [2] [4] Near-sightedness, also known as myopia and short-sightedness, is an eye disease [5] [6] [7] where light from distant objects focuses in front of, instead of on, the retina. [1] [2] [6] As a result, distant objects appear blurry while close objects appear normal. [1] Other symptoms may include headaches and eye ...
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