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Ocular dominance, sometimes called eye preference or eyedness, [1] is the tendency to prefer visual input from one eye to the other. [2] It is somewhat analogous to the laterality of right- or left-handedness; however, the side of the dominant eye and the dominant hand do not always match. [3]
Other phenomena of binocular vision include utrocular discrimination (the ability to tell which of two eyes has been stimulated by light), [6] eye dominance (the habit of using one eye when aiming something, even if both eyes are open), [7] allelotropia (the averaging of the visual direction of objects viewed by each eye when both eyes are open ...
The signs and symptoms shown in a patient diagnosed with polycoria are associated with ocular and adnexal growth abnormalities. [10] The iris and the pupil become less effective. Signs can be present as a child; however, the patient may be diagnosed later in their life. This condition results in abnormal eye development affecting both eyes or ...
Binocular rivalry was discovered by Porta. [6] Porta put one book in front of one eye, and another in front of the other. He reported that he could read from one book at a time and that changing from one to the other required withdrawing the "visual virtue" from one eye and moving it to the other.
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.
And because of its ambiguity, researchers have deemed it one of the 'weirdest things humans can do with their faces'.
Heterophoria occurs only during dissociation of the left eye and right eye, when fusion of the eyes is absent. If you cover one eye (e.g., with your hand) you remove the sensory information about the eye's position in the orbit. Without this, there is no stimulus to binocular fusion, and the eye will move to a position of "rest".
Couple flirting and giving each other bedroom eyes at the beach at sunset. That intense stare across the crowded bar. The coy glance from a cute stranger on the subway.