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Normal wearing time o symptoms Zero symptoms Φ Horizontal orthophoria θ Vertical orthophoria ⊕ Horizontal and vertical orthophoria OC's Optical centres Occ. Occupation OD oculus dexter (right eye) OH Ocular history OMB Oculo motor balance ONH Optic nerve head Oph Ophthalmoscopy OS oculus sinister (left eye) OU oculus uterque (both eyes) PD
An eye chart is a chart used to measure visual acuity comprising lines of optotypes in ranges of sizes. Optotypes are the letters or symbols shown on an eye chart. [ 1 ] Eye charts are often used by health care professionals, such as optometrists , physicians and nurses , to screen persons for vision impairment .
[130] [131] A 2016 study on immigrants in Ohio concluded that immigrants make up 6.7% of all entrepreneurs in Ohio although they are just 4.2% of Ohio's population, and that these immigrant-owned businesses generated almost $532 million in 2014. The study also showed that "immigrants in Ohio earned $15.6 billion in 2014 and contributed $4.4 ...
As a noun, this word refers to a path that cuts through a rural, mountainous or forested area. In most cases, it's unpaved. OK, that's it for hints—I don't want to totally give it away before ...
An epicanthic fold or epicanthus [6] is a skin fold of the upper eyelid that covers the inner corner (medial canthus) of the eye. [3] However, variation occurs in the nature of this feature and the possession of "partial epicanthic folds" or "slight epicanthic folds" is noted in the relevant literature.
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The image of kohl-lined eyes is a recurring motif in various Arab art forms: in poetry, for example, Middle Eastern and Arab women are portrayed as being staggeringly beautiful in part due to ...
This form of myopia is attributed to the use of the eyes for close work during the school years. [65] A 2004–2015 Singapore–Sydney study of children of Chinese descent found that time spent on outdoor activities was a factor. [95] Adult onset myopia; Early adult onset myopia occurs between ages 20 and 40. [71]