Hi Folks,
Was at Sunderland Eye Infirmary today and Mr Morgan suggested I have a ERG test..mentioned it a bit but just wondered if anyone else had gone through this process??
Cheers,
Dave.
ERG's?
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Drew Radcliffe
- Regular contributor
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- Joined: Tue 30 Mar 2004 9:02 pm
- Keratoconus: Yes, I have KC
- Location: Cardiff
Electroretinogram
Hi Dave
Ive had one. I understand its to check that the retina is generating the correct electrical impulses and that the optic nerves are carrying these impulses as they would expect.
The test I had lasted about an hour. Take someone with you as it does leave you a bit dazed and confused afterwards.
The consultant that did mine stuck some electrodes on the back of my head and above my eyes. Then she put an electrode made of thin silver wire under my eye lid (its no worse than contacts and you barely notice it)
They then show you a video screan of a chess board with the cheques alternating blackwhite.
The second part of the test they flash white light at you for a short period then stop.
The electrodes pick up the signals generated from this they can map electrically what you should be able to see.
Ive had one. I understand its to check that the retina is generating the correct electrical impulses and that the optic nerves are carrying these impulses as they would expect.
The test I had lasted about an hour. Take someone with you as it does leave you a bit dazed and confused afterwards.
The consultant that did mine stuck some electrodes on the back of my head and above my eyes. Then she put an electrode made of thin silver wire under my eye lid (its no worse than contacts and you barely notice it)
They then show you a video screan of a chess board with the cheques alternating blackwhite.
The second part of the test they flash white light at you for a short period then stop.
The electrodes pick up the signals generated from this they can map electrically what you should be able to see.
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