Electroretinography Center - Oak Park, IL
Oak Park 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 Oak Park * West Suburban Eye Associates LLC  West Suburban Eye Associates LLC  West Suburban Eye Associates LLC  West Suburban Eye Associates LLC  Oak Park Eye Center  Oak Park Eye Center  Oak Park Eye Center  Oak Park Eye Center  Illinois Retina Associates SC  Joseph R Mejia MD  Kirk Eye Center  Kirk Eye Center  Nootens Weiss & Lacayo MDs  Nootens Weiss & Lacayo MDs  Nootens Weiss & Lacayo MDs  Rutheva Dizon-Moore MD  Panton Eye Center  Panton Eye Center  Panton Eye Center  Dennis M Wolf MD  Igoe Eye Care  Kraff Eye Institute  Kraff Eye Institute  Anstadt Proctor & Tennenbaum MDs  Lieberman Eye Associates  Lieberman Eye Associates  Lieberman Eye Associates  Anstadt Proctor & Tennenbaum MDs  Anstadt Proctor & Tennenbaum MDs  Marcos A Lopez MD  Thomas Mizen MD  Gary Rubin MD  Fagman Eye Surgery Association  Ashwin S Patel MD  Wicker Park Eye Center Ltd  John Fournier MD  University of Illinois Chicago Eye Center  University of Illinois Chicago Eye Center  University of Illinois Chicago Eye Center  Lawrence M Kaufman MD  University of Illinois Chicago Eye Center  University of Illinois Chicago Eye Center  University of Illinois Chicago Eye Center  Glavin Eye Clinic  University of Illinois Chicago Eye Center  University of Illinois Chicago Eye Center  UIC Pediatric Ophthalmology  UIC Pediatric Ophthalmology  University of Illinois Chicago Eye Center  University of Illinois Chicago Eye Center  University of Illinois Chicago Eye Center  University of Illinois Chicago Eye Center  University of Illinois Chicago Eye Center  University of Illinois Chicago Eye Center  University of Illinois Chicago Eye Center  University of Illinois Chicago Eye Center  University of Illinois Chicago Eye Center  UIC Pediatric Ophthalmology  UIC Pediatric Ophthalmology  UIC Pediatric Ophthalmology  University of Illinois Chicago Eye Center  University of Illinois Chicago Eye Center  UIC Pediatric Ophthalmology  University of Illinois Chicago Eye Center  University of Illinois Chicago Eye Center  University of Illinois Chicago Eye Center  Chicago Glaucoma Consultants  Chicago Cornea Consultants  University Ophthalmology Associates  Chicago Cornea Consultants  Chicago Glaucoma Consultants  University Ophthalmology Associates  University Ophthalmology Associates  Chicago Cornea Consultants  Westchester Eye & Laser Center  Chicago Cornea Consultants  Illinois Retina Associates SC  Advanced Eye Care Assoc  Chicago Cornea Consultants  University Ophthalmology Associates  Westchester Eye & Laser Center  University Ophthalmology Associates  University Ophthalmology Associates  Advanced Vision Specialists  Dougal McClellan Sullivan Eye Associates  Dougal McClellan Sullivan Eye Associates  Drs Graham & Petkus  Daniel R Greenberg MD  Alexandra Ilkiw MD  Retinal Services LTD  Dougal McClellan Sullivan Eye Associates  Retinal Services LTD  Drs Graham & Petkus  Retinal Services LTD  Dougal McClellan Sullivan Eye Associates  Chicago Retina  Eye Surgeons  Eye Surgeons  Krates Eye Center  St George Eye Center Oak Park, IllinoisUpcoming Local Events2012-06-03
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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 Usher syndrome?Usher syndrome is the most common condition that affects both hearing and vision. A syndrome is a disease or disorder that has more than one feature or symptom. The major symptoms of Usher syndrome are hearing loss and an eye disorder called retinitis pigmentosa, or RP. RP causes night-blindness and a loss of peripheral vision (side vision) through the progressive degeneration of the retina. The retina is a light-sensitive tissue at the back of the eye and is crucial for vision. As RP progresses, the field of vision narrows - a condition known as "tunnel vision" - until only central vision (the ability to see straight ahead) remains. Many people with Usher syndrome also have severe balance problems. There are three clinical types of Usher syndrome:
In the United States, types 1 and 2 are the most common types. Together, they... Other Related Electroretinography ArticlesEmergency Contact for Oak Park
Nearby Oak Park Hospitals *Resurrection Health Care West Suburban Medical Center Loretto Hospital Hartgrove Hospital RUSH Oak Park Hospital Riveredge Hospital Edward Hines Jr VA Hospital John J Madden Mental Health Center Shriners Hospital for Children Chicago Loyola University Medical Center MacNeal Hospital Advocate Bethany Hospital Resurrection Health Care Westlake Hospital Sacred Heart Hospital Gottlieb Memorial Hospital Norwegian-American Hospital Saint Anthony Hospital Resurrection Health Care Our Lady of Resurrection Medical Center Kindred Hospital Chicago Central Resurrection Health Care Saint Elizabeth Hospital Resurrection Health Care Saint Mary of Nazareth Hospital Center Schwab Rehabilitation Hospital Jesse Brown VA Medical Center Chicago-Read Mental Health Center John H Stroger Jr Hospital of Cook County University of Illinois Medical Center Johnston R Bowman Health Center Rush University Medical Center Mount Sinai Hospital Medical Center Kindred Hospital Northlake Kindred Hospital Chicago North Children's Memorial Hospital Lincoln Park Hospital Advocate Illinois Masonic Medical Center Resurrection Health Care Resurrection Medical Center Swedish Covenant Hospital CINN Neurologic & Orthopedic Institute of Chicago Elmhurst Memorial Hospital Adventist LaGrange Memorial Hospital Northwestern Memorial Hospital Prentice Women's Hospital Resurrection Health Care Saint Joseph Hospital Mercy Hospital & Medical Center Rehabilitation Institute of Chicago Thorek Memorial Hospital Methodist Hospital of Chicago Holy Cross Hospital Adventist Hinsdale Hospital Weiss Memorial Hospital Chicago Lakeshore Hospital RML Specialty Hospital Provident Hospital of Cook County Kindred Hospital Chicago Lakeshore St Bernard Hospital & Health Care Center University of Chicago Comer Children's Hospital University of Chicago Hospital Bernard Mitchell Advocate Christ Medical Center & Hope Children's Hospital Resurrection Health Care Saint Francis Hospital Advocate Lutheran General Hospital Little Company of Mary Hospital & Health Care Centers RUSH North Shore Medical Center Advocate Good Samaritan Hospital Jackson Park Hospital & Medical Center La Rabida Children's Hospital NorthShore University HealthSystems Resurrection Health Care Holy Family Medical Center South Shore Hospital Adventist GlenOaks Hospital Palos Community Hospital Alexian Brothers Medical Center Alexian Rehabilitation Hospital Glenbrook Hospital Advocate Trinity Hospital Roseland Community Hospital MetroSouth Medical Center Northwest 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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Usher Syndrome
- There are three types of Usher (Usher's) syndrome, the most common condition that affects both vision and hearing. The major symptoms of Usher syndrome include retinitis pigmentosa (night-blindness and a loss of peripheral vision), and hearing loss. Usher syndrome is a genetic condition. There is no cure for Usher syndrome.
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