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prefix: aniso-from the Greek language (meaning: unequal), which in turn comes from an: meaning not and iso: meaning equal; the root word: cor, from the Greek word "korē" meaning: pupil of the eye-ia, which is a Latin suffix meaning: disease; pathological or abnormal condition; Thus, anisocoria means the condition of unequal pupil(s).
Anisometropia causes some people to have mild vision problems, or occasionally more serious symptoms like alternating vision or frequent squinting. However, since most people do not show any clear symptoms, the condition usually is found during a routine eye exam. [8] For early detection in preverbal children, photoscreening can be used.
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.
The best eye drops for dry eyes in 2023 work to soothe various dry eye symptoms. Here, find expert-approved picks from Refresh, Systane, Opti-Free, and more.
The main characteristic that distinguishes physiological anisocoria is an increase of pupil size with lower light or reduced illumination, such that the pupils differ in size between the two eyes. At any given eye examination, up to 41% of healthy patients can show an anisocoria of 0.4 mm or more at one time or another.
Amblyopia, also called lazy eye, is a disorder of sight in which the brain fails to fully process input from one eye and over time favors the other eye. [1] It results in decreased vision in an eye that typically appears normal in other aspects. [ 1 ]
Conversely, parasympathetic stimulation causes contraction of the circular muscle and constriction of the pupil. The mechanism of mydriasis depends on the agent being used. It usually involves either a disruption of the parasympathetic nerve supply to the eye (which normally constricts the pupil) or overactivity of the sympathetic nervous ...
Symptoms of Meesmann corneal dystrophy often go unnoticed and is usually found and diagnosed during routine eye examinations. [13] This slowly progressive disorder is characterized by microcysts that are filled with debris in the epithelium of the cornea detected and clinically diagnosed with slit-lamp biomicroscopy and retroillumination.