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  • Graham_Devon
    • #2
    • 16th Oct 07, 9:16 AM
    • #2
    • 16th Oct 07, 9:16 AM
    Wear sunglasses!
  • Tallymanjohn
    • #3
    • 16th Oct 07, 10:27 AM
    • #3
    • 16th Oct 07, 10:27 AM
    The driving glasses I've got, from specsavers, are actually tinted, polarized glasses - not really suitable for night driving.
  • TWP
    • #4
    • 23rd May 08, 6:34 AM
    • #4
    • 23rd May 08, 6:34 AM
    If you start to find that you are being dazzled by oncoming headlamps, start feeling that one eye is becoming harder to see through than the other or you don't feel that you can see quite as well while driving at night as you used to be able to I would strongly advise you to get a glaucoma test at your local optician. Lots of people have glaucoma without even realising it (noticable and obvious vision damage doesn't show up untl it has advanced and it's progression is usually completely painless so without a test you won't know you have it until it starts to blind you), and you can usually save your sight and your continued ability to be able to drive by detecting it early before your eye is injured.

    In the UK a glaucoma test only takes a few minutes, costs around 10 and doesn't involve having to undergo anything painful or scary. Money well spent, believe me, as optic nerve damage caused by glaucoma is currently irreversable. Most people would feel pretty sick if they had to stop driving for the rest of their lives because of an eye disease that could have been detected and treated for less than 10.

    If you start needing night-driving glasses get the test THEN get the glasses!
  • Happy Girl
    • #5
    • 23rd May 08, 8:20 AM
    • #5
    • 23rd May 08, 8:20 AM
    I had this problem when I started driving. Went to the Opticians to ask about night driving glasses and when he tested my eyes discovered I had a condition called Retinitis Pigmentosa

    Sadlly, once you've been diagnosed with RP, you're no longer alllowed to drive so it cost me my licence!

    Part of me wishes I hadn't blimmin asked now!!!

    But I'm also glad I found out before I had an accident and caused injury to someone else!
  • nedmundo
    • #6
    • 24th May 08, 6:49 PM
    • #6
    • 24th May 08, 6:49 PM
    If you start to find that you are being dazzled by oncoming headlamps, start feeling that one eye is becoming harder to see through than the other or you don't feel that you can see quite as well while driving at night as you used to be able to I would strongly advise you to get a glaucoma test at your local optician. Lots of people have glaucoma without even realising it (noticable and obvious vision damage doesn't show up untl it has advanced and it's progression is usually completely painless so without a test you won't know you have it until it starts to blind you), and you can usually save your sight and your continued ability to be able to drive by detecting it early before your eye is injured.

    In the UK a glaucoma test only takes a few minutes, costs around £10 and doesn't involve having to undergo anything painful or scary. Money well spent, believe me, as optic nerve damage caused by glaucoma is currently irreversable. Most people would feel pretty sick if they had to stop driving for the rest of their lives because of an eye disease that could have been detected and treated for less than £10.

    If you start needing night-driving glasses get the test THEN get the glasses!
    Originally posted by TWP
    Glare at night is not normally caused by glaucoma! Cataracts are a more likely explanation, as is dirt/smearing on the inside.outside of the wind screen.

    There is no such thing a glaucoma test. What you probably refer to is a pressure test., which is not much use by itself as half of glaucoma cases have normal pressure in the first place. Pressure in the eyes is only a risk factor. The only way to be sure is to have a full eye examination I'm afraid.
  • nedmundo
    • #7
    • 24th May 08, 6:50 PM
    • #7
    • 24th May 08, 6:50 PM
    Oh and don't use tints for night driving - most of them are illegal as they cut too much light out!
  • TWP
    • #8
    • 2nd Jun 08, 6:27 AM
    • #8
    • 2nd Jun 08, 6:27 AM
    Glare at night is not normally caused by glaucoma! Cataracts are a more likely explanation, as is dirt/smearing on the inside.outside of the wind screen.

    There is no such thing a glaucoma test. What you probably refer to is a pressure test., which is not much use by itself as half of glaucoma cases have normal pressure in the first place. Pressure in the eyes is only a risk factor. The only way to be sure is to have a full eye examination I'm afraid.
    Originally posted by nedmundo
    There is such a thing as a glaucoma test (or I've been ripped off by my optician!) I booked my sister for a test after I was diagnosed with the disease along with my father. My sister had had an eye test less than a year before (different optician), but as frequently happens she wasn't given a pressure test. As she'd had her free tezt she didn't qualify for a second free test, but the receptionist said that she could have a glaucoma test for 8.50 (full sight test is about 20 according to the net) - which she did and was at the high end of OK, lucky her! It's true though that you'd probably be given the test as part of a full sight examination if you hadn't been to the optician for a while unless perhaps you insisted otherwise.

    As an indicator that something may be going wrong with your eyes, finding yourself struggling with headlights or feeling that you have poorer night vision than you remember having is as good an early warning as any, and is a relevant point to bring up where people might be looking into night-driving glasses because they've started having sight problems. I think you'd agree that it makes a lot more sense to get tested for something you turn out not to have than it does to sit there slowly going blind under your night-driving glasses! :-)

    The link below is also worth a read:

    http://www.glaucoma.org/living/glaucoma_and_dr.php
    (Glaucoma Research Foundation)

    "Q&A:

    I have glaucoma, and when I drive at night, I really have a tough time with the glare from oncoming headlights. Do you know of any ways to reduce this glare?

    Glaucoma can cause a number of vision problems, such as loss of contrast sensitivity, problems with glare, and light sensitivity"............
  • TWP
    • #9
    • 2nd Jun 08, 6:36 AM
    • #9
    • 2nd Jun 08, 6:36 AM
    I had this problem when I started driving. Went to the Opticians to ask about night driving glasses and when he tested my eyes discovered I had a condition called Retinitis Pigmentosa

    Sadlly, once you've been diagnosed with RP, you're no longer alllowed to drive so it cost me my licence!

    Part of me wishes I hadn't blimmin asked now!!!

    But I'm also glad I found out before I had an accident and caused injury to someone else!
    Originally posted by Happy Girl

    I'm sorry to hear that. I was really worried about losing my licence when I found out I had problems, but I managed to get through the test OK. There is some research going on to repair the damage you get with your disease using your eye's own stem cells, particularly at the Schepens Center in America, but you're probably going to have to wait a while for anything to come of it that can be used on people.
  • nedmundo
    There is such a thing as a glaucoma test (or I've been ripped off by my optician!) I booked my sister for a test after I was diagnosed with the disease along with my father. My sister had had an eye test less than a year before (different optician), but as frequently happens she wasn't given a pressure test. As she'd had her free tezt she didn't qualify for a second free test, but the receptionist said that she could have a glaucoma test for 8.50 (full sight test is about 20 according to the net) - which she did and was at the high end of OK, lucky her! It's true though that you'd probably be given the test as part of a full sight examination if you hadn't been to the optician for a while unless perhaps you insisted otherwise.

    As an indicator that something may be going wrong with your eyes, finding yourself struggling with headlights or feeling that you have poorer night vision than you remember having is as good an early warning as any, and is a relevant point to bring up where people might be looking into night-driving glasses because they've started having sight problems. I think you'd agree that it makes a lot more sense to get tested for something you turn out not to have than it does to sit there slowly going blind under your night-driving glasses! :-)

    The link below is also worth a read:

    http://www.glaucoma.org/living/glaucoma_and_dr.php
    (Glaucoma Research Foundation)

    "Q&A:

    I have glaucoma, and when I drive at night, I really have a tough time with the glare from oncoming headlights. Do you know of any ways to reduce this glare?

    Glaucoma can cause a number of vision problems, such as loss of contrast sensitivity, problems with glare, and light sensitivity"............
    Originally posted by TWP
    What precisely did this 'glaucoma' test entail? Like I said previously, half of glaucoma patients have 'normal' pressures, so it can't be the pressure test. Half the optic nerve fibres are destroyed, before you get a visual field defect, so field testing isn't a very sensitive test either! It would be nice to detect glaucoma before it gets to that stage, the only way to do so is assessing/analysing the optic nerve appearance, preferably over a period of time.

    So you will see that there is no definitive 'glaucoma test' as such, the only way to be sure is regular full eye exams at the same Opticians, who will have previous records to compare with. The information gleaned from the pressure test alone is effectively useless. Therefore, if someone came in and asked me for a 'glaucoma' test alone, irrespective of money, I'd refuse as I'd be taking on a legal responsibility with my hands tied behind your back!

    I agree that does make sense to have an eye exam for any ocular symptoms, but you can't just go and ask for a test for one particular condition, as in all likelyhood, there's probably a different cause. I for one would always much rather see a patient to find there is no problem rather than not to see one, when there is!


    I am of course talking about primary open angle glaucoma - the common one. There is a less common 'closed angle' variety, where a full or partial blockage of the drainage channels (which normally occurs at night) leads to extreme high pressures. This in turn can lead to a hazy cornea and sensitivity to light, but is frequently accompanied by extreme pain and sometimes vomiting.

    Try reading this from the same website!

    http://www.glaucoma.org/learn/index.php &
    http://www.glaucoma.org/learn/index.php

    Note this is an American Ophthalmolgical website and procedures such as gonioscopy, pachymetry and scanning laser analysis are not commonly performed in UK Optometric practice, but times are a changing!

    Cheers
    Last edited by nedmundo; 02-06-2008 at 8:18 PM.
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