Search results
Results from the WOW.Com Content Network
Diplopia. Diplopia. Other names. Double vision. One way a person might experience double vision. Specialty. 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 ...
The sentence can be given as a grammatical puzzle [7] [8] [9] or an item on a test, [1] [2] for which one must find the proper punctuation to give it meaning. Hans Reichenbach used a similar sentence ("John where Jack had...") in his 1947 book Elements of Symbolic Logic as an exercise for the reader, to illustrate the different levels of language, namely object language and metalanguage.
Magnetic resonance imaging. Hemianopsia, or hemianopia, is a visual field loss on the left or right side of the vertical midline. It can affect one eye but usually affects both eyes. Homonymous hemianopsia(or homonymous hemianopia) is hemianopic visual field loss on the same side of both eyes. Homonymous hemianopsia occurs because the right ...
Aniseikonia. Aniseikonia is an ocular condition where there is a significant difference in the perceived size of images. It can occur as an overall difference between the two eyes, or as a difference in a particular meridian. [ 1] If the ocular image size in both eyes are equal, the condition is known as iseikonia. [ 2]
Specialty. Ophthalmology. Exotropia is a form of strabismus where the eyes are deviated outward. It is the opposite of esotropia and usually involves more severe axis deviation than exophoria. People with exotropia often experience crossed diplopia. Intermittent exotropia is a fairly common condition. "Sensory exotropia" occurs in the presence ...
An iridodialysis may be an iatrogenic complication of any intraocular surgery [ 10][ 11][ 12] and at one time they were created intentionally as part of intracapsular cataract extraction. [ 13] Iridodialyses have been reported to have occurred from boxing, [ 14] airbag deployments, [ 15] high-pressure water jets, [ 16] elastic bungee cords ...
Cerebral diplopia or polyopia describes seeing two or more images arranged in ordered rows, columns, or diagonals after fixation on a stimulus. [ 1 ] [ 2 ] The polyopic images occur monocular bilaterally (one eye open on both sides) and binocularly (both eyes open), differentiating it from ocular diplopia or polyopia.
Polycoria. Polycoria is a pathological condition of the eye characterized by more than one pupillary opening in the iris. [ 1] It may be congenital or result from a disease affecting the iris. [ 1] It results in decreased function of the iris and pupil, affecting the physical eye and visualization.