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Making oneself bleed, a type of hematolagnia. [ 22] The image of oneself in the form of an infant. [ 19] The image of oneself in the form of a child. [ 23] The image of oneself in the form of a plush. [ 23] The image of oneself in the form of a vampire. [ 24][ 25][ 26] Involves ingesting or seeing one's own blood.
Visual impairment. 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]
Computer vision syndrome. Computer vision syndrome ( CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.
Not really. "Some people need glasses when they're young—before 45," explains , of Cleveland Clinic’s Cole Eye Institute. "If you don't need glasses before your 40s, chances are you will need ...
Despite their popularity, blue light-blocking glasses probably don’t do much to reduce eyestrain, help keep people alert or improve sleep, according to a meta-analysis looking at 17 studies ...
Idiopathic hypersomnia (IH) is a neurological disorder which is characterized primarily by excessive sleep and excessive daytime sleepiness (EDS). [ 1] Idiopathic hypersomnia was first described by Bedrich Roth in 1976, and it can be divided into two forms: polysymptomatic and monosymptomatic. [ 2][ 3] The condition typically becomes evident in ...
People swear by the cozy "cocoon" sleep hack for a better night's sleep. An expert shares how it works and its benefits. People swear by the cozy "cocoon" sleep hack for a better night's sleep. An ...
It is estimated that at least 2 billion people in the world have refractive errors. [4] The number of people globally with refractive errors that have not been corrected was estimated at 660 million (10 per 100 people) in 2013. [9] Refractive Errors are the first common cause of Visual Impairment and second most common cause of visual loss . [45]