Electroretinography Center - Daly City, CA
Daly City 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 Daly City * Pacific Eye Specialists CPMC  Pacific Eye Specialists CPMC  Pacific Eye Specialists CPMC  St Francis Ophthalmology Group  St Francis Ophthalmology Group  St Francis Ophthalmology Group  James H Abrams MD  Kaiser Medical  Kaiser Medical  Kaiser Medical  Eye Care Associates of San Francisco  Eye Care Associates of San Francisco  Eye Care Associates of San Francisco  Earl L Stern MD  Lillie A Mosaddegh MD  Proctor Medical Group  Proctor Medical Group  Proctor Medical Group  Proctor Medical Group  UCSF Beckman Vision Center  UCSF Beckman Vision Center  UCSF Beckman Vision Center  UCSF Beckman Vision Center  UCSF Beckman Vision Center  UCSF Beckman Vision Center  UCSF Beckman Vision Center  UCSF Beckman Vision Center  UCSF Beckman Vision Center  UCSF Beckman Vision Center  UCSF Beckman Vision Center  UCSF Beckman Vision Center  UCSF Beckman Vision Center  UCSF Beckman Vision Center  UCSF Beckman Vision Center  UCSF Beckman Vision Center  UCSF Beckman Vision Center  UCSF Beckman Vision Center  Premier Eyecare  Premier Eyecare  Premier Eyecare  Mary Ann Banez MD  Devron H Char MD  San Francisco Eye Institute  Dilys J Bart MD  Steven N Cohen MD  J Brooks Crawford MD  Marc P Cruciger MD  Michael Turan MD  Glaucoma Specialists  Glaucoma Specialists  Daniel F Goodman Medical Group Inc  Pacific Eye Specialists CPMC  M David Thier MD  Pacific Eye Associates  Pacific Eye Associates  Pacific Eye Associates  Pacific Eye Associates  Pacific Eye Associates  Pacific Eye Associates  Pacific Eye Associates  Suzanne G Li MD  Pacific Eye Associates  Pacific Eye Associates  Pacific Eye Associates  Pacific Eye Associates  Alan B Scott MD  Pacific Eye Associates  Rona Z Silkiss MD  Pacific Eye Associates  Pacific Vision Institute  Day & Good MDs  Denny Eye & Laser Center  Pacific Vision Institute  Day & Good MDs  LaserVue Eye Center  Gary L Aguilar MD  Melvyn D Bert MD FACS  Ze Woong Yang MD  West Coast Retina Medical Group Inc  Dean R Hirabayashi MD  West Coast Retina Medical Group Inc  West Coast Retina Medical Group Inc  West Coast Retina Medical Group Inc  Optima Ophthalmic Medical Associates Inc  L Eric Leung MD  David S Yee MD  Glaucoma Center of San Francisco  Glaucoma Center of San Francisco  Glaucoma Center of San Francisco  Glaucoma Center of San Francisco  Glaucoma Center of San Francisco  Glaucoma Center of San Francisco  Glaucoma Center of San Francisco  Ervin P Wong MD  Bruce Kirschner MD  Peninsula Ophthalmology Group  Kim L Cooper DO  Robert R Elliston MD  Robert R Elliston MD  Peninsula Ophthalmology Group Daly City, CaliforniaUpcoming Local Events2012-06-16
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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 Daly City
Nearby Daly City Hospitals *Seton Medical Center Kaiser Permanente South San Francisco Medical Center Laguna Honda Hospital & Rehabilitation Center St Luke's Hospital UCSF Medical Center at Parnassus California Pacific Medical Center Davies Campus San Francisco General Hospital St Mary's Medical Center San Francisco VA Medical Center Kaiser Permanente San Francisco Medical Center California Pacific Medical Center California Campus California Pacific Medical Center East Campus UCSF Medical Center at Mount Zion California Pacific Medical Center Pacific Campus Saint Francis Memorial Hospital Chinese Hospital Mills-Peninsula Health Services Seton Medical Center Coastside Mills Hospital Alameda Hospital Alta Bates Summit Medical Center Summit Campus San Mateo Medical Center Kaiser Permanente Medical Center at Oakland Children's Hospital & Research Center Oakland Alameda County Medical Center Highland Campus Alta Bates Summit Medical Center Herrick Campus Alta Bates Summit Medical Center Alta Bates Campus Marin General Hospital San Leandro Hospital Kentfield Rehabilitation & Specialty Hospital Kindred Hospital San Francisco Bay Area Sequoia Hospital Alameda County Medical Center Fairmont Campus John George Psychiatric Pavilion Doctor's Medical Center San Pablo Kaiser Permanente Redwood City Medical Center Eden Medical Center Kaiser Permanente Hayward Medical Center St Rose Hospital Kaiser Permanente San Rafael Medical Center Menlo Park Surgical Hospital Lucile Packard Children's Hospital Stanford Hospital & Clinics Kaiser Permanente Walnut Creek Medical Center VA Palo Alto Health Care System John Muir Medical Center Walnut Creek Campus Novato Community Hospital Washington Hospital San Ramon Regional Medical Center Contra Costa Regional Medical Center Fremont Hospital VA Northern CA Healthcare System at Martinez El Camino Hospital John Muir Behavioral Health Center John Muir Medical Center Concord Campus ValleyCare Health System Pleasanton St Helena Hospital Center for Behavioral Health Kaiser Permanente Vallejo Medical Center Sutter Solano Medical Center 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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