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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
The absence of this lens left the patient highly hyperopic (farsighted) in that eye. For some patients the removal was only performed on one eye, resulting in the anisometropia / aniseikonia. Today, this is rarely a problem because when the lens is removed in cataract surgery, an intraocular lens, or IOL is left in its place. [citation needed]
The idea that myopia was caused by the eye strain involved in reading or doing other work close to the eyes was a consistent theme for several centuries. [101] In Taiwan, faced with a staggering rise in the number of young military recruits needing glasses, the schools were told to give students' eyes a 10-minute break after every half-hour of ...
Kohl has been worn traditionally since the Naqada III era (c. 3100 BCE) by Egyptians of all social classes, originally as protection against eye ailments. [1] [2] There was also a belief that darkening around the eyes would protect one from the harsh rays of the sun. [3] Ancient Egyptian women wearing kohl, from a tomb mural in Thebes (1420 ...
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.
Squeezed into the narrow passage, the current increases, traveling west to east. Brearley says that at surface level, that current is less perceptible — just a couple of knots — so you won’t ...
Standard: We dissected the eye of a bull in biology class today. Probably non-standard: We bisected the eye of a bull in biology class today. born and borne. Born is when a living creature enters the world through the birthing process. Borne means to carry, realize, or bear something. [26] Standard: I was born on March 6, 1982.
Glaucoma is a group of eye diseases that can lead to damage of the optic nerve. The optic nerve transmits visual information from the eye to the brain. Glaucoma may cause vision loss if left untreated. It has been called the "silent thief of sight" because the loss of vision usually occurs slowly over a long period of time. [5]