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  1. #1
    loob lor geezer
    Bangyai's Avatar
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    Colour blindness test.

    Well, I knew I was colour blind so I was not surprised to get more than half wrong. So.....if I ever go for a Thai driving licence it will have to be a red under the table ........... or was that a purple ?
    Color Blindness Test


    CARD 1:
    Both normal and those with all color vision deficiencies should read the number 12.

    CARD 2:
    Those with normal color vision should read the number 8. Those with red-green color vision deficiencies should read the number 3. Total color blindness should not be able to read any numeral.

    CARD 3:
    Normal vision should read the number 29.
    Red-green deficiencies should read the number 70.
    Total color blindness should not read any numeral

    CARD 4:
    Normal color vision should read the number 5.
    Red-Green color deficiencies should read the number 2.
    Total color blindness should not be able toread any numeral.

    CARD 5:
    Normal color vision should read the number 3.
    Red-Green deficiencies should read the number 5.
    Total color blindness should not be able to read any numeral.

    CARD 6:
    Normal color vision should read the number 15.
    Red-Green deficiencies should read the number 17.
    Total color blindness should not be able to read any numeral.

    CARD 7:
    Normal color vision should read the number 74.
    Red-Green color deficiencies should read the number 21.
    Total color blindness should not be able to read any numeral.

    CARD 8:
    Normal color vision should read the number 6.
    The majority of those with color vision deficiencies cannot read this number or will read it incorrectly.

    CARD 9:
    Normal color vision should read the number 45.
    The majority of those with color vision deficiencies cannot read this number or will read it incorrectly.

    CARD 10:
    Normal color vision should read the number 5.
    Those with color vision deficiencies will not read the number or read it incorrectly.

    CARD 11:
    Normal color vision should read the number 7.
    Those with color vision deficiencies will not read this number or read it incorrectly.

    CARD 12:
    Normal color vision should read the number 16.
    Those with color vision deficiencies will not read this number or read it incorrectly.

    CARD 13:
    Normal color vision will read the number 73.
    Those with color vision deficiencies should nor be able to read this number or will read it incorrectly.

    CARD 14:
    Normal color vision and those with total colour blindness should not be able to read any number.
    The majority of those with red-green deficiencies should read the number 5.

    CARD 15:
    Normal colour vision and those with total color blindness should not be able to read any number.
    The majority of those with red-green deficiencies should read the number 45.

    CARD 16:
    Normal color vision should read the number 26.
    In protanopia and strong protanomalia the number 6 is read and in mild protanomalia both numerals are read but the number 6 is clearer than the number 2.
    In deuteranopia and strong deuteranomalia only the number 2 is read and in mild deuteranomalia both the number 2 is clearer than the number 6.

    CARD17:
    Normal colour vision should read the number 42.
    In protanopia and strong protanomalia the number 2 is read and in mild protanomalia both numerals are read but the number 2 is clearer than the number 4.
    In deuteranopia and strong deuteranomalia only the number 4 is read and in mild deuteranomalia both the number 4 is clearer than the number 2.

    CARD 18:
    The normal should trace along the purple and red lines between the two Xs.
    In protanopia and strong protanomalia only the purple line is traced and in mild protanomalia both lines can be traced but the purple line is easier to follow.
    In deuteranopia and strong deuteranomalia only the red line is traced and in mild deuteranomalia both lines are traced but the red line is easier to follow.

    CARD 19:
    The majority of those with red-green color blindness can trace the winding line between the two Xs.
    The majority of those with normal and total color blindness are unable to follow the line.

    CARD 20:
    Normal will trace the blue-green line between the two Xs.
    The majority of those with color vision deficiencies will be unable to follow the line or will follow a line different to the normal one.

    CARD 21:
    Normal will trace the orange line between the two Xs.
    The majority of those with color vision deficiencies will be unable to follow the line or will follow a line different to the normal one.

    CARD 22:
    Normal should trace the line connecting the blue-green and the yellow-green.
    Those with red-green deficiencies trace the line connecting the blue-green and purple.
    Those with total color blindness cannot trace any line.

    CARD 23:
    Normal should trace the line connecting the purple and the orange between the two Xs.
    Red-green deficiencies should trace the line connecting the purple and the blue-green.
    Total colour blindness and weakness cannot trace any line.

    CARD 24:
    Both normal and those with color vision deficiencies can trace the winding line between the two Xs.

  2. #2
    Thailand Expat
    aging one's Avatar
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    card 13 does not have a 73 other than that I am doing well.

  3. #3
    Kiwi_Refugee
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    Maybe its a crap monitor test...

  4. #4
    Cenosillicaphobiac
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    Quote Originally Posted by aging one View Post
    card 13 does not have a 73 other than that I am doing well.
    Liar.
    It does. Plain for anyone to see...

    Well, maybe not the colourblind. But they're not normal.

  5. #5
    Thailand Expat
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    card 13 is a spastic test

  6. #6
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    Missed 3 including card 13. These tests don't mean much. Even if you fail you can still probably tell a red light from a green ...( the red ones on top ) so don't let this put you off applying for a driving licence.

  7. #7
    Thailand Expat
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    Those cards only check red/green problems, I think

    anyone with blue/green problems would pass those tests
    Last edited by DrAndy; 27-09-2009 at 12:28 AM.

  8. #8
    On a walkabout
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    I failed a colour blindness test in my teens when I considered becoming an electrician and based upon these charts my condition has not improved.

    Fortunately, and at age 53 my eye sight is still good and I have no problem spotting pink bits or blue vein steaks.

  9. #9
    loob lor geezer
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    Quote Originally Posted by Phoenix View Post
    Missed 3 including card 13. These tests don't mean much. Even if you fail you can still probably tell a red light from a green ...( the red ones on top ) so don't let this put you off applying for a driving licence.
    Maybe so. Does anyone know what happens if you take this test when applying for a driving license but then fail ? Do you still get your license ?

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