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Thread: reduce glare for night driving!!!!

  1. #1
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    Confused reduce glare for night driving!!!!

    customer complain feel a lot of glare when driving at night time and he dont any power on both eyes... any idea how to reduce the glaring?currently he is using uncoat lens with very light tint....if change to multicoat lens izit can help or need to do light yellow tint for him?

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    Yellow has been a favorite for many years.
    Chris Ryser
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    http://optochemicals.com............................. http://arcoatings.com

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    Master OptiBoarder OptiBoard Gold Supporter DragonLensmanWV's Avatar
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    If he has no power to his lenses, then he does not need to wear anything, and that will give him the least glare. Nothing worse than giving someone a plano with AR for that situation.Now, if he wants a driving filter, yellow, as stated, would work. Problem then become the customer then thinks he should wear the yellow lenses all the time. Nothing like yellow lenses and a bright day to destroy your night vision.
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    Master OptiBoarder OptiBoard Silver Supporter optical24/7's Avatar
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    Tell him to clean the inside of his windshield.

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    Many years ago, I had a patient come in with a pair of glasses he had purchased from a long dead OD. The OD had mirrored the front surface of the lenses leaving long vertical line and a shorter horizontal one un-mirrorred. Wish I had taken a picture of them. Patient said they were for and did reduce headlight glare.
    Seems to me that the verticle un-mirrored lines were about 3mm in width and offset to the wearers left.

    Chip
    Last edited by chip anderson; 08-23-2011 at 09:12 AM. Reason: cross placement

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    OptiBoardaholic a1vo's Avatar
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    Quote Originally Posted by chip anderson View Post
    Many years ago, I had a patient come in with a pair of glasses he had purchased from a long dead OD. The OD had mirrored the front surface of the lenses leaving long vertical line and a shorter horizontal one un-mirrorred. Wish I had taken a picture of them. Patient said they were for and did reduce headlight glare.
    Seems to me that the verticle un-mirrored lines were about 3mm in width and offset to the wearers left.
    Chip
    About 4 years ago, a patient brought me the exact same non-Rx "Driver" eyeglasses as described by Chip. Back then, I was able to found the website in China sold such eyeglasses. However, not today.

    But I do find this link (in Chinese) to this (different) "Driver" eyeglasses: http://blog.china.alibaba.com/blog/whzygx/article/b0-i26498399.html
    I
    t basically with yellow polarized lenses with about 1/5 of area on very top has dark mirror coating.

    It this theory works, then .......

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    Chris Ryser
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    http://optochemicals.com............................. http://arcoatings.com

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    While it won't transmit more light than nothing NuPolar has a yellow polarized yellow, it will eliminate glare at night.
    Can be mirror coated if patient feels it's not quite doing the job.

    Chip

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    On using tinted and/or polarised lenses for night driving:

    Suitability for use in traffic/Suitability for night driving as per DIN EN ISO 14889:
    Lenses used for driving at night must display a luminous transmittance of ³ 75% in the major reference point using standard illuminant D 65.
    From:
    http://www.vision.zeiss.se/4125680f0...256c2c00371877


    And a good read from the people at Laramy-K:
    The Dangers of Night Driving Glasses
    http://www.laramyk.com/resources/edu...iving-glasses/

    It is an all too common misconception that yellow tinted or yellow polarized night driving glasses are beneficial for night time driving.
    Best regards,
    Nikolay Angelov

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    While I agree that any tinted lens or clear one for that matter won't let in more light, The NuPolar yellow I mentioned is a very light yellow tint with polarization. If glare is enough of a problem, the giving up a little lumins might be worth concidering. Don't think I would go spelunking with them though.

    Chip

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    Quote Originally Posted by Optical24/7
    Tell him to clean the inside of his windshield.
    +, like, a billion.

    It's amazing how much of a difference this will make.
    ...and in the frozen lands of Nador they were forced to eat Robin's minstrels, and there was much rejoicing.

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    My husband frequently rides his motorcycle to his 4:00-midnight job, and for night-time riding, he really likes a very light blue tint, more than yellow. I've tried to explain how any color will cut down on light transmittance, but he swears he can see better through the light blue. My $0.02, for what it's worth.
    It's nice to be important, but it's more important to be nice.

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    OptiWizard Yeap's Avatar
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    Hi, there are few things you may consider to look into,
    1. Pupil size when in bright and dim condition.
    2. do a topography map to rule out if any cornea astigmatism.
    3. another careful history taking on his life style. somehow i met a lot patients to have this complain due to their long hour of near work and cause the eye fatigue. so indirectly they fail to concentrate after the office hour. but they do not feel this problem during weekend or their non working day.

    suggestion,
    1. if due to eye fatigue then treated that.
    2. depend on the age and life style, you may want to fit an -0.25 to induce pupil constriction in a Multicoated lens. i personally prefer Zeiss 1.56 claret lotutec for my night driving compare to hoya HVP.


    hope it helps you..
    Yeap


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    Master OptiBoarder AngeHamm's Avatar
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    Quote Originally Posted by optical24/7 View Post
    Tell him to clean the inside of his windshield.
    +1. I guarantee that's the problem.
    I'm Andrew Hamm and I approve this message.

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