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GDX or HRT ?

Question:

"Alberto" <sp…@nothx.com> wrote in message <news:9tRad.37469$H11.1257238@twister1.libero.it>… > Hello, > I have a pressure of 20 in both eyes and I am short-sighted,  so my doctor > suggested a computerized visual field test. I had the test, but I was so > anxious that I will have to try it again in a couple of months. Actually I > don’t know whether I will be able to stay calm next time, so I was thinking > of having a different kind of exam to test whether I have glaucoma. I have > heard about GDX and HRT : do you know which one is more effective? Are both > exams non-invasive and painless? > Thank you very much for your help > Alberto

The visual field test is not worth getting all worked-up over.  If you miss a few spots, it’s not that important…the machine will retest spots that you miss.  It is more important to stay calm and to try to focus on the aiming spot directly in front of you.  As for the HRT and GDx, both are very short tests (at most a minute or two) in which the patient simply stares at an aiming spot and the machine does the rest…completely "non-invasive and painless" (it’s used to take pictures of the optic nerve and to have a computer analyze these pictures.  It also allows for storage of the photos and for later comparisons).  Most docs don’t have both, as they are very expensive machines (I have an HRT and find it very useful).  Can’t tell you which one is "more effective"…both use different type of technology to examine the optic nerve, but both are very reliable technology. Hope that helps. Rick Cohn, MD Glaucoma Specialist Winter Park, FL

Response:

Hello, I have a pressure of 20 in both eyes and I am short-sighted,  so my doctor suggested a computerized visual field test. I had the test, but I was so anxious that I will have to try it again in a couple of months. Actually I don’t know whether I will be able to stay calm next time, so I was thinking of having a different kind of exam to test whether I have glaucoma. I have heard about GDX and HRT : do you know which one is more effective? Are both exams non-invasive and painless? Thank you very much for your help Alberto

Response:

Dr. Cohn and Dr. Schmidt, thank you very much for your reply Alberto

Response:

There is no test less painful or invasive than a visual field test.  Albeit the most boring, its the most effective and the easist.  Just have a play with the device before the testing commenses (they all have demo modes in them) and remember that every response, be it positive or negative, is rechecked in some sense of the word…you can’t make a major error unless you fail to maintain gaze at the target.  Also remember that most VF machines can be paused by holding your finger down on the button…gives you breathing space if you’re losing concentration. Cheers Mark the Optometrist Sydney, Australia "Alberto" <sp…@nothx.com> wrote in message

news:9tRad.37469$H11.1257238@twister1.libero.it… – Hide quoted text — Show quoted text -> Hello, > I have a pressure of 20 in both eyes and I am short-sighted,  so my doctor > suggested a computerized visual field test. I had the test, but I was so > anxious that I will have to try it again in a couple of months. Actually I > don’t know whether I will be able to stay calm next time, so I was thinking > of having a different kind of exam to test whether I have glaucoma. I have > heard about GDX and HRT : do you know which one is more effective? Are both > exams non-invasive and painless? > Thank you very much for your help > Alberto

Response:

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