Electroretinography Center - Youngstown, OH
Youngstown 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 Youngstown * Eye Care Associates Inc  Eye Care Associates Inc  Eye Care Associates Inc  Eye Care Associates Inc  Belmont Eye Clinic  Belmont Eye Clinic  Retina Associates of Cleveland Inc  Paul J Mahar MD Inc  Paul J Mahar MD 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  Gerald S Sevachko MD  Oh Eye Associates Inc  James V Martuccio MD  Oh Eye Associates Inc  Vitreo-Retinal Consultants  Vitreo-Retinal Consultants  Ohio Eye Alliance Inc  Ohio Eye Alliance Inc  Ohio Eye Alliance Inc  Roholt Vision Institute Inc  Eye Care Associates Inc  Warren Ophthalmology Associates  Isaac Torem MD  Brodell Medical  Brodell Medical  Brodell Medical  Brine & Pederzolli MDs  Brine & Pederzolli MDs  Northeast Ohio Eye Surgeons  Northeast Ohio Eye Surgeons  Northeast Ohio Eye Surgeons  Drs Kondray & Kondray  Michael E Rom MD Inc  Clear Vision Center  Fort Steuben Ophthalmologists Inc  Fort Steuben Ophthalmologists Inc  Valley Eye Care  Valley Eye Care  Juhant & Gustaferro MDs  Juhant & Gustaferro MDs  Kellis Eye Center  Ophthalmic Physicians  Eye Centers Of Ohio  Eye Centers Of Ohio  Eye Centers Of Ohio  T Matthew Mak MD  Ronald H Krasney MD  The Fladen Eye and Lasik Center  North Canton Medical Foundation  Cleveland Clinic Beachwood Ophthalmology  Cleveland Clinic Beachwood Ophthalmology  Canton Ophthalmology Associates  Canton Ophthalmology Associates  Canton Ophthalmology Associates  Canton Ophthalmology Associates  Ohio Retina Associates Inc  Glaucoma & Eye Specialist Inc  Eye Centers Of Ohio  Eye Centers Of Ohio  Eye Centers Of Ohio  Vitreo-Retinal Consultants  Solon Valley Optical Compnay  Davis Eye Center  Davis Eye Center  Davis Eye Center  Laser Eye Surgery Of Erie  Laser Eye Surgery Of Erie  Stuart M Terman MD Inc  University Ophthalmologists Inc  The Retina Group of Northeast Ohio  The Retina Group of Northeast Ohio  The Surgical Eye Center  The Retina Group of Northeast Ohio  Kiran Donthi & Rama Donthi MDs  Mary P File MD  Carl K Shin MD  The Eye Clinic Inc  The Eye Clinic Inc  The Eye Clinic Inc  Ophthalmic Physicians  Retina Associates of Cleveland Inc  Ophthalmic Physicians  Ophthalmic Physicians  Retina Associates of Cleveland Inc  Ophthalmic Physicians  Robert A Burnstine &Selena Y Fu MDs  Robert A Burnstine &Selena Y Fu MDs  Anthony J Locastro MD  University Eye Care & Surgery  Hillcrest Mayfield Eye Associates Inc  Drs Markowitz Oberfeld & Wagenberg  Drs Markowitz Oberfeld & Wagenberg  Cleveland Eye Specialists & Consultants Inc  Hillcrest Mayfield Eye Associates Inc  Jeffrey H Stockfish MD Inc  Drs Markowitz Oberfeld & Wagenberg Youngstown, 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 Youngstown
Nearby Youngstown Hospitals *St Elizabeth Health Center Select Specialty Hospital Youngstown Forum Health Northside Hospital Belmont Pines Hospital Mahoning Valley Hospital Boardman Campus St Elizabeth Boardman Health Center Forum Health Hillside Rehabilitation Hospital St Joseph Health Center UPMC Horizon Shenango Valley Forum Health Trumbull Memorial Hospital Mahoning Valley Hospital Trumbull Campus Sharon Regional Health System Salem Community Hospital Jameson Hospital North Campus Jameson Hospital South Campus Spring Harbor Hospital Ellwood City Hospital UPMC Horizon Greenville Alliance Community Hospital Grove City Medical Center Regency Hospital of Ravenna Robinson Memorial Hospital Kindred Hospital at Heritage Valley Medical Center of Beaver East Liverpool City 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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