Argyrosis of the conjunctiva is a rare ocular condition in which silver particles deposit in the conjunctival tissues, producing a gray-blue or brown-black ...
Dr. Gelareh Abedi, MD - Ophthalmologist
Argyll Robertson pupils are an uncommon but highly specific ocular sign characterized by small, irregular pupils that do not constrict in response to bright ...
The Argentinian Flag Sign (AFS) is an intraoperative complication encountered during cataract surgery, most notably when performing a manual continuous ...
Arcus senilis is a gray-white or bluish ring that appears around the outer edge of the cornea, the clear “window” at the front of your eye. This ring is formed ...
Aqueous misdirection is a rare form of secondary angle-closure glaucoma in which the normal flow of the eye’s clear fluid (aqueous humor) is disrupted. Instead ...
Apraxia of Eyelid Opening (ALO) is a non-paralytic motor disorder in which a person cannot initiate the voluntary act of lifting the upper eyelid after it has ...
Generalized eyelid edema, also known as periorbital or bilateral eyelid swelling, is the accumulation of excess fluid within the loose connective tissues of ...
Aponeurotic ptosis, also called involutional or senile ptosis, is characterized by a drooping of the upper eyelid due to weakening, dehiscence, or disinsertion ...
Apocrine hidrocystoma is a benign, fluid-filled cyst that arises from the apocrine sweat glands, which are specialized glands most numerous in areas such as ...
Aphantasia is a neurological condition where a person cannot voluntarily create mental images in their mind. Imagine closing your eyes and trying to picture a ...
Anton Syndrome, also called Anton–Babinski syndrome or visual anosognosia, is a rare neurological condition in which a person with cortical blindness adamantly ...
Retrograde degeneration in the optic pathway refers to the process whereby damage to neurons farther along the visual tract causes progressive injury ...
Anterograde (Wallerian) degeneration is the process by which the section of a nerve fiber (axon) beyond the point of injury breaks down and is cleared away. In ...
Anterior stromal puncture (ASP) is a minor surgical procedure used to treat recurrent corneal erosion (RCE) syndrome. In this technique, tiny punctures are ...
Anterior segment trauma refers to any injury affecting the front structures of the eye, namely the cornea, conjunctiva, anterior chamber, iris, ciliary body, ...
Anterior Segment Optical Coherence Tomography (AS-OCT) is a noninvasive imaging technique that uses light waves to capture high-resolution cross-sectional ...
Anterior Segment Optical Coherence Tomography (AS-OCT) is a noninvasive imaging technology that captures high-resolution cross-sectional images of the eye’s ...
Anterior Segment Optical Coherence Tomography—often shortened to AS-OCT—is a non-contact, light-based imaging test that lets eye-care professionals see ...
Anterior segment developmental anomalies (ASDAs), also known as anterior segment dysgenesis (ASD), comprise a spectrum of congenital disorders in which one or ...
Anterior Chamber-Associated Immune Deviation (ACAID) is an active, antigen-specific form of immune tolerance induced when an antigen is introduced into the ...
