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Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has to change their eye position ...
Pince-nez. Pince-nez ( / ˈpɑːnsneɪ / or / ˈpɪnsneɪ /, plural form same as singular; [ 1] French pronunciation: [pɛ̃sˈne]) is a style of glasses, popular in the late 19th and early 20th centuries, that are supported without earpieces, by pinching the bridge of the nose. The name comes from French pincer, "to pinch", and nez, "nose".
Orthokeratology lens. Orthokeratology, also referred to as Night lenses, Ortho-K, OK, Overnight Vision Correction, Corneal Refractive Therapy (CRT), Accelerated Orthokeretology, Cornea Corrective Contacts, Eccentricity Zero Molding, and Gentle Vision Shaping System (GVSS), is the use of gas-permeable contact lenses that temporarily reshape the cornea to reduce refractive errors such as myopia ...
Color blindness (color vision deficiency) is the decreased ability to see color or differences in color. It can impair daily color tasks such as selecting ripe fruit or choosing clothing, as well as safety-related tasks such as interpreting traffic lights. While the disability of color blindness is considered minor, the use of color in safety ...
The Gesicks came out of retirement, not because they wanted to, but because they had to. About one in five people over age 65, or approximately 11 million Americans, are still working, according ...
People may see someone with an invisible disability as lazy, weak, or antisocial. A disability may cause someone to lose connections with friends or family due to this lack of understanding, potentially leading to a lower self-esteem. Individuals with invisible disabilities may experience guilt and feeling misunderstood when asking for support ...
Eyeglasses work as an added lens of the eye serving to bend the light to bring it to focus on the retina. Depending on the eyeglasses, they serve many functions. [34] Reading glasses These are general over-the-counter glasses which can be worn for easier reading, especially for defective vision due to aging called presbyopia.
The product — which contains testosterone and a synthetic hormone called Nestorone that reduces sperm production — is the most advanced among a crop of novel birth control options for men.