Electroretinography Center - Cleveland Heights, OH
Cleveland Heights 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 Cleveland Heights * David H Adams MD  Kaiser Permanente Medical Center Cleveland Heights  Kaiser Permanente Medical Center Cleveland Heights  University Ophthalmology Associates Inc  Cleveland Eye Specialists & Consultants Inc  University Ophthalmology Associates Inc  Cleveland Eye Specialists & Consultants Inc  Ophthalmic Consultants & Surgeons of Cleveland  Ophthalmic Consultants & Surgeons of Cleveland  Cleveland Eye Specialists & Consultants Inc  Cleveland Eye Specialists & Consultants Inc  Cleveland Eye Specialists & Consultants Inc  University Ophthalmology Associates Inc  University Ophthalmology Associates Inc  University Ophthalmologists Inc  University Ophthalmologists Inc  University Ophthalmologists Inc  University Ophthalmologists Inc  University Ophthalmologists Inc  University Hospitals of Cleveland Psychiatry  University Ophthalmologists Inc  University Ophthalmologists Inc  University Ophthalmologists Inc  University Hospitals Case Medical Center Ophthalmology  George Hoppe MD  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  George Hoppe MD  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Cleveland Clinic Cole Eye Institute  Western Reserve Ophthalmology Associates Inc  Cleveland Clinic Beachwood Ophthalmology  Cleveland Clinic Beachwood Ophthalmology  Cleveland Clinic Beachwood Ophthalmology  Cleveland Clinic Beachwood Ophthalmology  Cleveland Clinic Beachwood Ophthalmology  Cleveland Clinic Beachwood Ophthalmology  Cleveland Clinic Beachwood Ophthalmology  Daniel T Weidenthal MD  Drs Patel & Webb  University Eye Care & Surgery  Drs Patel & Webb  Retina Associates of Cleveland Inc  Retina Associates of Cleveland Inc  Retina Associates of Cleveland Inc  Retina Associates of Cleveland Inc  Retina Associates of Cleveland Inc  Retina Associates of Cleveland Inc  Retina Associates of Cleveland Inc  Retina Associates of Cleveland Inc  Ronald H Krasney MD  Corrective Eye Center  Corrective Eye Center  Juhant & Gustaferro MDs  Juhant & Gustaferro MDs  Drs Kondray & Kondray  Drs Kondray & Kondray  Cleveland Eye Clinic  Hillcrest Mayfield Eye Associates Inc  Drs Markowitz Oberfeld & Wagenberg  Drs Markowitz Oberfeld & Wagenberg  Hillcrest Mayfield Eye Associates Inc  Jeffrey H Stockfish MD Inc  Drs Markowitz Oberfeld & Wagenberg  Abrams Eye Center Inc  Corrective Eye Center  Howard Siegel MD  Complete Eye Care Institute  MetroHealth Medical Center Eye Clinic  Michael V Coseriu MD  Eric S Eleff MD  MetroHealth Medical Center Eye Clinic  MetroHealth Medical Center Eye Clinic  MetroHealth Medical Center Eye Clinic  MetroHealth Medical Center Eye Clinic  MetroHealth Medical Center Eye Clinic  MetroHealth Medical Center Eye Clinic  Advanced Eye Care Center of Cleveland Inc  Ophthalmology Consultants  Ophthalmology Consultants  Solon Valley Optical Compnay Cleveland Heights, OhioUpcoming Local Events2012-05-27
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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 Cleveland Heights
Nearby Cleveland Heights Hospitals *Huron Hospital Louis Stokes VA Medical Center Kindred Hospital Cleveland Rainbow Babies & Children's Hospital University Hospitals Case Medical Center Cleveland Clinic Cleveland Clinic Children's Hospital for Rehabilitation South Pointe Hospital Euclid Hospital University Hospitals Richmond Medical Center Hillcrest Hospital Kindred Hospital Cleveland Gateway St Vincent Charity Hospital Marymount Hospital Grace Hospital Lutheran Hospital MetroHealth Medical Center NorthCoast Behavioral HealthCare North University Hospitals Bedford Medical Center LakeWest Hospital Windsor-Laurelwood Hospital NorthCoast Behavioral HealthCare South Lakewood Hospital Parma Community General Hospital Fairview Hospital University Hospitals Extended Care Campus Southwest General Health Center University Hospitals Geauga Medical Center St John West Shore Hospital LakeEast Hospital Cuyahoga Falls General Hospital Robinson Memorial Hospital Regency Hospital of Ravenna Summa Health St Thomas Hospital EMH Regional Medical Center Medina General Hospital Akron General Medical Center Children's Hospital Medical Center Select Specialty Care Hospital Akron City Select Specialty Hospital Akron Summa Health Akron City Hospital Glenbeigh Hospital Barberton Citizens Hospital Regency Hospital of Akron 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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