Electroretinography Center - High Point, NC
High Point 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 High Point * Cornerstone Eye Care  Cornerstone Eye Care  Cornerstone Eye Care  Digby Eye Associates  Carolina Eye Surgical & Laser Center  Carolina Eye Surgical & Laser Center  Digby Eye Associates  Digby Eye Associates  Dominion Eye Center  Digby Eye Associates  Koala Eye Center PC  Southeastern Eye Center  Southeastern Eye Center  Hecker Ophthalmology Associates PA  Eye Consultants of Greensboro PA  Gould Eye Care Associates  Harold N Jacklin MD  Shapiro Eye Care PA  Piedmont Retina Specialists, PA  Thomas E Brewington MD  Gary A Rankin MD  Greensboro Ophthalmology  Greensboro Ophthalmology  Greensboro Ophthalmology  Greensboro Ophthalmology  Greensboro Ophthalmology  James D Branch MD  WFUBMC Ophthalmology Dept  WFUBMC Ophthalmology Dept  WFUBMC Ophthalmology Dept  WFUBMC Plastic & Reconstructive Surgery  WFUBMC Ophthalmology Dept  WFUBMC Ophthalmology Dept  WFUBMC Ophthalmology Dept  WFUBMC Ophthalmology Dept  WFUBMC Ophthalmology Dept  WFUBMC Ophthalmology Dept  Asheboro Ophthalmology  Henry Burnett MD  Coliseum Eye Associates  Eyecare for You  Khem Sara MD  Temas Eye Center  Duke Eye & Vision Center of Winston-Salem  Davidson Eye Associates  Duke Eye & Vision Center of Winston-Salem  Duke Eye & Vision Center of Winston-Salem  Duke Eye & Vision Center of Winston-Salem  Davidson Eye Associates  Duke Eye & Vision Center of Winston-Salem  Southeastern Eye Center  Hawthorne Eye Associates PA  IFB Optical Center  The Center for Sight  Rockingham Eye Associates PA  Alamance Eye Center PA  Alamance Eye Center PA  Alamance Eye Center PA  Alamance Eye Center PA  Alamance Eye Center PA  Alamance Eye Center PA  Piedmont Eye Physicians & Surgeons  Piedmont Eye Physicians & Surgeons  John Crawford III MD  Eye Associates of Rowan PA  W G Bill Hefner VA Medical Center  Carolina Eye Associates  Larry P Jenkins MD  Cabarrus Eye Center PA  Cabarrus Eye Center PA  Cabarrus Eye Center PA  Cabarrus Eye Center PA  Cabarrus Eye Center PA  Cabarrus Eye Center PA  Northeast Eye Center PA  Northeast Eye Center PA  McKinnon Eye Clinic  Parkwood Eye Center  Parkwood Eye Center  Iredell Eye Clinic  Iredell Eye Clinic  Iredell Eye Clinic  Lake Norman Ophthalmology  Lake Norman Ophthalmology  Carolina Eye Associates  Carolina Eye Associates  Carolina Eye Associates  Carolina Eye Associates  Carolina Eye Associates  Carolina Eye Associates  UNC Department of Ophthalmology  UNC Department of Ophthalmology  UNC Department of Ophthalmology  UNC Department of Ophthalmology  Kitner Eye Center  UNC Department of Ophthalmology  UNC Department of Ophthalmology  UNC Department of Ophthalmology  Carolina Ophthalmology Associates PA  Carolina Ophthalmology Associates PA High Point, North CarolinaUpcoming 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 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 High Point
Nearby High Point Hospitals *High Point Regional Health System Thomasville Medical Center Wesley Long Community Hospital Moses Cone Behavioral Health Center The Women's Hospital of Greensboro Kindred Hospital Greensboro The Moses H Cone Memorial Hospital Wake Forest University Baptist Medical Center Forsyth Medical Center Medical Park Hospital Lexington Memorial Hospital Randolph Hospital Alamance Regional Medical Center Davie County Hospital Rowan Regional Medical Center WG Bill Hefner VA Medical Center Annie Penn Hospital Chatham 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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Usher Syndrome
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