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A lens which includes some amount of prism correction will displace the viewed image horizontally, vertically, or a combination of both directions. The most common application for this is the treatment of strabismus. By moving the image in front of the deviated eye, double vision can be avoided and comfortable binocular vision can be achieved ...
Neurology, ophthalmology. Diplopia is the simultaneous perception of two images of a single object that may be displaced horizontally or vertically in relation to each other. [1] Also called double vision, it is a loss of visual focus under regular conditions, and is often voluntary.
Eyeglass prescription. An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient. If an eye examination indicates that corrective lenses are appropriate, the ...
Aberrations of the eye. The eye, like any other optical system, suffers from a number of specific optical aberrations. The optical quality of the eye is limited by optical aberrations, diffraction and scatter. [1] Correction of spherocylindrical refractive errors has been possible for nearly two centuries following Airy's development of methods ...
Figures refers to simple elements, sharply characterized by dynamics, violence, softness, slowness, and so forth. These elements can be purely harmonic, or more rhythmically oriented, or purely melodic. They are not themes in the conventional way, but "states" of musical being. Doubles has two meanings: the first is that of the eighteenth ...
Kenny: A much better performance from the team but really too little, too late. The season's been one to forget. Montgomery's tactics have been poor and I keep thinking the job's too big for him ...
In declining to step aside from two high-profile Supreme Court cases, Justice Samuel Alito on Wednesday provided a rare window on the opaque process by which justices decide to step aside from cases.
Optical aberration. 1: Imaging by a lens with chromatic aberration. 2: A lens with less chromatic aberration. In optics, aberration is a property of optical systems, such as lenses, that causes light to be spread out over some region of space rather than focused to a point. [1]
Purpose. whether a person has strabismus. In the fields of optometry and ophthalmology, the Hirschberg test, also Hirschberg corneal reflex test, is a screening test that can be used to assess whether a person has strabismus (ocular misalignment). A photographic version of the Hirschberg is used to quantify strabismus. [1]
Animated filmmaker John Musker — who directed such Disney films as “The Little Mermaid,” “Aladdin” and “Hercules” — called out the Walt Disney Company for prioritizing political ...