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The consistent tendency of the visual system to rely on input from one eye (the dominant or sighting eye) over the other when performing monocular tasks, such as sighting a gun, looking through a microscope, or aiming.
read more about visual dominance ...It is important to distinguish between Sighting Dominance (used for aiming) and Sensory Dominance (the eye that is neurologically preferred during binocular viewing).
While often linked, visual dominance is independent of handedness. A person may be right-handed but left-eye dominant.
Crucial for activities involving aiming and for prescribing specialty lenses (e.g., monovision contact lenses, where the dominant eye is corrected for distance).
Not necessarily. While the dominant eye often has slightly better acuity, dominance is a neurological preference, not just an optical measure.
Cross-dominance (e.g., right-handed, left-eye dominant) is normal but can sometimes lead to minor difficulties in certain aiming tasks.
Yes, the non-dominant eye is crucial for peripheral vision and depth perception, even if the dominant eye handles the primary aiming task.