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Welcome to EyeWiki, the Eye Encyclopedia written by Eye Physicians & Surgeons

EyeWiki is where ophthalmologists, other physicians, patients and the public can view articles written by ophthalmologists, covering the vast spectrum of eye disease, diagnosis and treatment. Any qualified ophthalmologist or ophthalmologist in training is invited to contribute content to the wiki.

Featured Article

Featured Article for November 30, 2020

Electroretinogram

The electroretinogram (ERG) is a diagnostic test that measures the electrical activity of the retina in response to a light stimulus. The ERG arises from currents generated directly by retinal neurons in combination with contributions from retinal glia. Importantly, the ERG is an objective measure of retinal function that can be recorded non-invasively under physiological conditions. ERGs are often recorded using a thin fiber electrode that is placed in contact with the cornea or an electrode that is embedded within a corneal contact lens. These electrodes permit the electrical activity generated by the retina to be recorded at the corneal surface. The ERG can be elicited by diffuse flashes or patterned stimuli. The International Society for Clinical Electrophysiology of Vision (ISCEV) has introduced standards for the different forms of ERG recordings. The ERG has important clinical utility, in that it provides diagnostic information concerning a variety of inherited and acquired retinal disorders. Moreover, the ERG can be used to monitor disease progression and evaluate retinal toxicity due to various drugs or retained intraocular foreign bodies.

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EyeWiki Editorial Board

Editor-in-Chief 
Marcus Marcet, M.D.
Deputy Editor-in-Chief 
Cat Nguyen Burkat, MD FACS

Section Lead Editors

Cataract/Anterior Segment  
Alpa S. Patel, M.D.
Cornea/External Disease  
Vatinee Bunya, MD
Glaucoma  
Ahmad A. Aref, MD, MBA
Neuro-ophthalmology/Orbit  
Andrew Go Lee, MD
Ocular Trauma  
Anna Murchison, MD, MPH
Oculoplastics/Orbit  
Michael T Yen, MD
Oncology/Pathology  
Matthew W. Wilson, MD, FACS
Pediatric Ophthalmology/Strabismus  
Monte A Del Monte, MD
Refractive Management/Intervention  
Alaa Eldanasoury, MD
Retina/Vitreous  
Jennifer I Lim MD
Uveitis  
Alan Palestine, MD