Electroretinography Center - Kansas City, MO
Kansas City 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 Kansas City * Children's Mercy Hospital Ophthalmology  Children's Mercy Hospital Ophthalmology  Children's Mercy Hospital Ophthalmology  Children's Mercy Hospital Ophthalmology  Sabates Eye Centers PC  Sabates Eye Centers PC  Sabates Eye Centers PC  Sabates Eye Centers PC  Mid-America Retina Consultants  Sabates Eye Centers PC  Sabates Eye Centers PC  Tauber Eye Center  Sabates Eye Centers PC  Somers Eye Center  Gerhard W Cibis MD  Kansas City VA Medical Center  Louis C Manuel MD  State Line Eye Care Center  State Line Eye Care Center  State Line Eye Care Center  State Line Eye Care Center  Northland Eye Specialists PC  Northland Eye Specialists PC  Moyes Eye Center  Discover Vision Centers  Discover Vision Centers  Discover Vision Centers  Discover Vision Centers  Thomas C Black Jr. MD  Associated Ophthalmologists of Kansas City PC  Carondelet Eye Care Associates  Midwest Retina Assoc  Associated Ophthalmologists of Kansas City PC  Carondelet Eye Care Associates  Associated Ophthalmologists of Kansas City PC  Associated Ophthalmologists of Kansas City PC  Associated Ophthalmologists of Kansas City PC  Retina Associates PA  Retina Associates PA  Retina Associates PA  Retina Associates PA  McKnight Eye Centers  Joel M Leibsohn MD  Discover Vision Centers  Discover Vision Centers  Discover Vision Centers  Discover Vision Centers  Discover Vision Centers  Discover Vision Centers  Children's Eye Care  Murphy Watson Burr Eye Center  Murphy Watson Burr Eye Center  Murphy Watson Burr Eye Center  Murphy Watson Burr Eye Center  Golden Valley Medical Center  Sudarsan Chavala MD  Sedalia Eye Associates  Joe M Bennett DO Kansas City, MissouriKansas City is the largest city in the U.S. state of Missouri. It encompasses 318 square miles (820 km2) in parts of Jackson, Clay, Cass, and Platte counties. It is one of two county seats of Jackson County, the other being Independence, just to the city's east. The city also serves as the anchor city of the Kansas City Metropolitan Area, second largest in Missouri, and largest with territory in Kansas (Wichita is the largest metropolitan area anchored in Kansas). Upcoming 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 Kansas City
Nearby Kansas City Hospitals *Western Missouri Mental Health Center Children's Mercy Hospital & Clinics Truman Medical Center Hospital Hill Rainbow Mental Health Facility University of Kansas Hospital & Medical Center North Kansas City Hospital Kansas City VA Medical Center Saint Luke's Hospital Research Psychiatric Center Research Medical Center Select Specialty Hospital Western Missouri Two Rivers Psychiatric Hospital Kindred Hospital Kansas City Shawnee Mission Medical Center Children's Mercy Northland Saint Luke's Northland Hospital Barry Road Campus Providence Medical Center St Joseph Medical Center Specialty Hospital of Mid America Heartland Spine & Specialty Hospital Kansas City Orthopaedic Institute Doctor's Hospital Mid-America Rehabilitation Hospital Children's Mercy South Centerpoint Medical Center Crittenton Children's Center Menorah Medical Center Overland Park Regional Medical Center Select Specialty Hospital Kansas City Truman Medical Center Lakewood Saint Luke's South Hospital Liberty Hospital Saint Luke's East St Mary's Medical Center Lee's Summit Medical Center Saint Luke's Northland Hospital Smithville Campus Research Belton Hospital Olathe Medical Center Saint John Hospital VA Eastern Kansas Healthcare System Leavenworth Cushing Memorial Hospital Excelsior Springs Medical Center Meadowbrook Rehabilitation Hospital Cass 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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