Electroretinography Center - Mansfield, TX
Mansfield 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 Mansfield * Retina Institute of Texas PA  Retina Institute of Texas PA  Barbara A Nugent MD PA  Kleiman Evangelista Eye Center  Kleiman Evangelista Eye Center  Arlington Physicians Dept of Ophthalmology  Nirmal Saran MD  Vision Experts  Ray Chan MD PLLC  Eyecare Associates of Texas PA  Eyecare Associates of Texas PA  Eyecare Associates of Texas PA  Eyecare Associates of Texas PA  Eyecare Associates of Texas PA  Southwest Ophthalmology Associates PLLC  Humphrey Key-Whitman Eye Center  Humphrey Key-Whitman Eye Center  Hugo M Nue MD  Key-Whitman Eye Center  Ophthalmology Consultants PA  Texas Retina Associates  Texas Retina Associates  Texas Retina Associates  Huy M Tran MD  Texas Retina Associates  Frank Cundari DO  Robert Chiang MD  Pediatrics Eye Specialists PA  Pediatrics Eye Specialists PA  Pediatrics Eye Specialists PA  Total Eye Care  Retina Consultants PA  Retina Consultants PA  Retina Consultants PA  Retina Consultants PA  Eyecare Associates of Texas PA  Advanced Glaucoma Center PA  Judson P Smith III MD  Fort Worth Outpatient Clinic  Jonathan Cichocki MD  Laurie Boquet Dory MD  Harold Granek MD  John R Armstrong MD  Dan A Willis MD  North Texas Ophthalmic Plastic Surgery  Texas Eyelid Center PA  North Texas Ophthalmic Plastic Surgery  UT Southwestern Ophthalmology Clinic  Mayli Davis MD  Kassim Khan MD  Ophthalmology Associates  Brian S Anding MD  Ophthalmology Associates  Ophthalmology Associates  Ophthalmology Associates  Ophthalmology Associates  Ophthalmology Associates  Ophthalmology Associates  Ophthalmology Associates  Ophthalmology Associates  Ophthalmology Associates  Charley J Andrews III MD  Carl K Marling MD  Retina Specialists  Thomas L Marvelli MD  Retina Specialists  Reagan Eye Center  Retina Specialists  Texas Eye & Laser Center  Texas Eye & Laser Center  Harry Rosenthal Jr. MD  Vision Quest  Brandenberg & Nethery MDs  Brandenberg & Nethery MDs  Brandenberg & Nethery MDs  Ophthalmology Associates  Randy Montgomery MD  Fort Worth Eye Associates  Fort Worth Eye Associates  Fort Worth Eye Associates  James Bentley Jr. MD  R Galen Kemp MD  Cheryl Snyder MD  Roy R Whitaker MD  All Eye Care  Tylock Eyecare & Laser Center  Glaucoma Consultants of Texas  Robert Eisenberg MD  Las Colinas Vision Center  Drs Dharma & Mahatma  Linda L Burk MD  Hargrave Eye Center  Pediatric Opthalmology PA  Michael Harris MD  Phillips Kirk Labor MD  Alliance Eye Care  Cataract & Eye Center  Cataract & Eye Center  Garnett S Payseur MD  UT Southwestern Ophthalmology Clinic Mansfield, TexasUpcoming Local Events2012-06-02
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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 Mansfield
Nearby Mansfield Hospitals *Kindred Hospital Mansfield Methodist Mansfield Medical Center USMD Hospital at Arlington Medical Center of Arlington HEALTHSOUTH Rehabilitation Hospital of Arlington Huguley Memorial Medical Center Kindred Hospital Arlington Millwood Hospital Texas Health Memorial Hospital at Arlington Arlington Rehabilitation Hospital JPS Health Network Baylor All Saints Medical Center at Fort Worth Methodist Charlton Medical Center Select Specialty Hospital South Dallas Cook Children's Medical Center Harris Continued Care Hospital Harris Methodist Fort Worth Plaza Medical Center of Fort Worth Hickory Trail Hopsital Kindred Hospital Fort Worth Methodist Rehabilitation Hospital Baylor Surgical Hospital at Fort Worth HEALTHSOUTH Rehabilitation Hospital HEALTHSOUTH City View Rehabilitation Hospital Regency Hospital of Fort Worth Baylor Medical Center at Southwest Fort Worth Harris Methodist Southwest Kindred Hospital Fort Worth Southwest LifeCare Hospitals of Fort Worth Harris Methodist HEB Hospital Harris Methodist Springwood North Hills Hospital Southwest Surgical Hospital Renaissance Hospital Dallas Baylor Medical Center at Waxahachie Baylor Medical Center at Irving Dallas VA Medical Center Methodist Dallas Medical Center Harris Methodist Walls Regional Hospital LifeCare Specialty Hospital of Dallas Parkland Health & Hospital System UT Southwestern Medical Center UT Southwestern Medical Center University Hospital St Paul UT Southwestern Medical Center University Hospital Zale Lipshy Texas Specialty Hospital at Dallas Children's Medical Center of Dallas Texas Scottish Rite Hospital for Children Las Colinas Medical Center Baylor Regional Medical Center at Grapevine Baylor Jack & Jane Hamilton Heart & Vascular Hospital Baylor University Medical Center Mary Shiels Hospital Baylor Specialty Hospital Baylor Institute for Rehabilitation Irving Coppell Surgical Hospital RHD Memorial Medical Center Timberlawn Mental Health System Baylor Medical Center at Trophy Club Kindred Hospital Walnut Hill Presbyterian Hospital of Dallas Doctors Hospital at White Rock Lake Harris Methodist Northwest Kindred Hospital White Rock Medical City Children's Hospital Medical City Hospital Green Oaks Hospital Kindred Hospital Dallas Ennis Regional Medical Center Medical Center of Lewisville Dallas Regional 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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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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