Electroretinography Center - Whittier, CA
Whittier Eye Doctor Doctors for ElectroretinographyType of Physician: Eye Doctor What is a Eye Doctor? A certification by the Board of Ophthalmology; practitioners provide comprehensive eye and vision care. They are trained to diagnose, monitor and medically or surgically treat all eyelid and orbital problems affecting the eye and visual pathways, and to diagnose, monitor and treat all eye and visual disorders. They often prescribe vision services (glasses and contact lenses) as well as serve as a consultant to physicians and other professionals. Specialty: Ophthalmology Common Name: Eye Doctor Eye Doctor Doctors in Whittier * Frederick Raymond MD  Nicholas Kokoris MD & Associates  Nicholas Kokoris MD & Associates  Glen Jarus MD  William N May MD  David Marshburn DO  John S Marshburn MD  Montebello Eye Center  Montebello Eye Center  Southern California Eye Care  Chang Eye Clinic  Jeffrey V Winston MD  Jeffrey V Winston MD  Tran Loan MD Corporation  Theodore B Okie MD  Brian M Brown MD  Dai Le Tran MD  El Monte Eye Clinic  Randolph J Falk MD  De La Pena Eye Clinic  Garlan Lo MD  Roger Chan MD  Sally I Kim MD  Joseph K W Hsu MD PC  Downey Eye Center  OIC Eye Group  Peter T Chen MD  Cerritos Eye Medical Center  Lo Medical Group  Kenneth Sall MD  Kevin T Wong MD  Kevin T Wong MD  LaPalma Ophthalmology Associates  Calvin T Eng MD  LaPalma Ophthalmology Associates  Paul T Urrea MD  Ted Wei MD  Retina Consultants of Orange County  Sam Goldberger MD  Retina Consultants of Orange County  Mitchell Latter MD Inc  Lingua Vision Surgical Group  Agape Eye Associates  John D Zdral MD John Esser MD  Susie Y Wong  Charles J Abbott MD  J Nickolas Berbos MD  Casimiro Gonzalez MD  Fullerton Eye Medical Center  Jan S Lukac MD  William Mosier MD  I Q Laser Vision  Grace Liu MD  Atlantis Eyecare  San Gabriel Eye Associates  San Gabriel Eye Associates  William Ko MD  Quon Medical Center  Arcadia Eye Center  Doheny Eye Center Arcadia  Doheny Eye Center Arcadia  Doheny Eye Center Arcadia  Dik Cheung MD  Hyong S Choe MD  Jesse M DeLeon & Liberation DeLeon MDs  Robert Everakes MD  Nelson Noguchi MD  Phillips Eye Center  Kurwa Eye Center  White Memorial Medical Center  Phillips Eye Center  Carson,McBeath & Boswell, Inc.  Lakewood Eye Physicians  Lakewood Eye Physicians  Lakewood Eye Physicians  Retina Eye Specialists  Lakewood Eye Physicians  NuVision Laser  Magan Medical Clinic  Kenneth Cohn MD  Eye Physicians of Long Beach  Complete Eye Care  Complete Eye Care  Eye Physicians of Long Beach  Complete Eye Care  Alice Song MD Corp  Lakewood Eye Physicians  Ocular Surgery Medical Associates  California Eye Specialists  California Eye Specialists  California Eye Specialists  Ocular Surgery Medical Associates  Dualan & Frey MDs  Shammas Medical Eye Center  Vision Care Network  Atlantis Eye Care  Atlantis Eye Care  Advanced Eye Center  Delapena Eye Clinic  Delapena Eye Clinic Whittier, CaliforniaUpcoming Local Events2012-05-28
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ElectroretinographyRead the Electroretinography article » What is electroretinography?Electroretinography (ERG) is an eye test used to detect abnormal function of the retina (the light-detecting portion of the eye). Specifically, in this test, the light-sensitive cells of the eye, the rods and cones, and their connecting ganglion cells in the retina are examined. During the test, an electrode is placed on the cornea (at the front of the eye) to measure the electrical responses to light of the cells that sense light in the retina at the back of the eye. These cells are called the rods and cones. How is an ERG done?The patient assumes a comfortable position (lying down or sitting up). Usually the patient's eyes are dilated beforehand with standard dilating eye drops. Anesthetic drops are then placed in the eyes, causing them to become numb. The eyelids are then propped open with a speculum, and an electrode is gently placed on each eye with a device very similar to a contact lens. An additional electrode is placed on the skin to provide a ground for the very faint electrical signals produced by the retina. During an ERG recording session, the patient watches a standardized light stimulus, and the resulting signal is interpreted in terms of its amplitude (voltage) and time course. This test can even be performed in cooperative children, as well as sedated or anesthetized infants. The visual stimuli include flashes, called a flash ERG, and reversing checkerboard patterns, known as a pattern ERG.
What do the electrodes do?The electrodes measure the electrical activity of the retina in response to light. The information that comes from each electrode is transmitted to a monitor where it is displayed as two types of waves, labeled the A waves and B waves.
How are eletroretinography readings made?Readings during eletroretinography are usually taken first in normal room light. The lights... Recommended Reading Related to ElectroretinographyWhat is a visual field test?A visual field test is a method of measuring an individual's entire scope of vision, that is their central and peripheral (side) vision. Visual field testing actually maps the visual fields of each eye individually. The visual field test is a subjective examination, requiring the patient to understand the testing instructions, fully cooperate, and complete the entire test in order to provide useful information. What is a visual field test used for?Visual field testing is most frequently used to detect any signs of glaucoma damage to the optic nerve. In addition, visual field tests are useful for detection of central or peripheral retinal disease, eyelid conditions such as ptosis or drooping, optic nerve disease, and diseases affecting the visual pathways within the brain. The visual pathways carry information from the eye to the visual or occipital cortex in the brain, where this information is proces... Other Related Electroretinography ArticlesEmergency Contact for Whittier
Nearby Whittier Hospitals *Presbyterian Intercommunity Hospital Whittier Hospital Medical Center Metropolitan State Hospital Kindred Hospital La Mirada Beverly Hospital Norwalk Community Hospital Greater El Monte Community Hospital Coast Plaza Doctors Hospital Downey Regional Medical Center BHC Alhambra Hospital Kaiser Permanente Medical Center Baldwin Park Kaiser Permanente Downey Medical Center Vista Specialty Hospital of San Gabriel Valley College Hospital Cerritos City of Angels Medical Center Ingleside Campus Rancho Los Amigos National Rehabilitation Center Citrus Valley Medical Center Queen of the Valley Campus Monterey Park Hospital Garfield Medical Center St Jude Medical Center Doctor's Hospital West Covina Kindred Hospital Brea La Palma Intercommunity Hospital Bellflower Medical Center East Los Angeles Doctors Hospital Los Angeles Community Hospital Promise Hospital of East Los Angeles Suburban Medical Center Campus San Gabriel Valley Medical Center Kindred Hospital San Gabriel Valley Alhambra Hospital Medical Center St Francis Medical Center Tri-City Regional Medical Center Lakewood Regional Medical Center Anaheim Regional Medical Center West Anaheim Medical Center Community Hospital of Huntington Park Methodist Hospital Anaheim General Hospital Promise Hospital of East Los Angeles Citrus Valley Medical Center Inter Community Campus City of Hope National Medical Center LAC + USC Medical Center LAC + USC Medical Center Women's & Children's Hospital USC Norris Comprehensive Cancer Center USC University Hospital White Memorial Medical Center Aurora Las Encinas Hospital Los Alamitos Medical Center Martin Luther King Jr MAC Service Center Placentia-Linda Hospital Aurora Charter Oak Hospital Western Medical Center Anaheim Huntington Hospital Pacific Alliance Medical Center Kaiser Mental Health Center Barlow Respiratory Hospital California Hospital Medical Center Orthopaedic Medical Center East Valley Hospital Medical Center Foothill Presbyterian Hospital Good Samaritan Hospital San Dimas Community Hospital Community Hospital of Long Beach Long Beach Memorial Medical Center Miller Children's Hospital VA Long Beach Healthcare System Gateways Hospital & Mental Health Center Pacific Hospital of Long Beach Kindred Hospital Westminster St Vincent Medical Center Kaiser Permanente Anaheim Medical Center University Of California Irvine Medical Center Garden Grove Hospital & Medical Center Shriners Hospitals for Children Los Angeles Temple Community Hospital Featured Articles*Provider Directory Terms of Use: The WebMD 'Provider Directory' is provided by WebMD for use by the general public as a quick reference of information about Providers. The Provider Directory is not intended as a tool for verifying the credentials, qualifications, or abilities of any Provider contained therein. Inclusion in the Provider Directory does not imply recommendation or endorsement nor does omission in the Provider Directory imply WebMD disapproval. |
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