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  1. Replies
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    around 15-20% of people have significant effects...

    around 15-20% of people have significant effects - but whether you prescribe for that many - probably nearer 5-10 really benefit enough to say it is critical to visual performance
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    We were asked by one of the lighting companies to...

    We were asked by one of the lighting companies to look at effects of various colour temperatures (from 1800K to 10 000K) on people - result - variable effects - and unpredictable. I suspect that the...
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    There are some limited effects of blue light - on...

    There are some limited effects of blue light - on the magnocellular system, on circadian ryhthms, on arousal. There is also an argument that high intensity blue light may cause retinal harm - but the...
  4. I am looking for contact lens specialist in california for unusual condition

    "
    If you’d like to see if you can find someone we’re in Grass Valley and could go about 50 miles away so Sacramento & Yuba City"

    The lenses would have tinted pupil - for prosopagnosia /...
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    915

    mood changing lenses

    yes tints can change mood / arousal etc - and a lot more too.

    but not just zeiss lenses - every tint has the potential to have an effect
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    the book is available in the USA on this site ...

    the book is available in the USA on this site

    http://www.lulu.com/shop/ian-jordan/a-professionals-guide-to-prescribing-tints-and-filters/paperback/product-23803944.html
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    915

    Some areas of filter prescribing are purely...

    Some areas of filter prescribing are purely mathematical e.g. convolution for metamerism. Colour space has been understood for 90 years yet the optical professions have by and large ignored it....
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    915

    A Professionals Guide to Prescribing Tints and...

    A Professionals Guide to Prescribing Tints and Filters

    By Ian Jordan -...
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    915

    try norvilles if you wish to buy it

    try norvilles if you wish to buy it
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    915

    advice required re tint course

    I have now completed and had published 260 page book on tint prescribing and dispensing, got a video tint course ready (10 hrs approx) both in English and Russian. There is a lot new for...
  11. wanted - professional who can fit specialist tinted contact lens in california

    I have patient with specialist filter who lives in California - she wants contact lens instead of glasses. Is there anyone that understands filters and can work in colour space with contact lenses or...
  12. its a start - its after an after conference...

    its a start - its after an after conference interview regarding the lecture on the day. At the lecture half the audience cried!
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    WE USE TINTS IN PARKINSONS - THEY CAN MAKE A...

    WE USE TINTS IN PARKINSONS - THEY CAN MAKE A MASSIVE DIFFERENCE - BUT - ONE SIZE DOES NOT FIT ALL - TREMOR WILL USUALLY DIMINISH OR STOP, DYSKINESIA IS OFTEN MODIFIED, GAIT MAY IMPROVE AND MORE. BUT...
  14. I don't want fee! - but think its reasonable for...

    I don't want fee! - but think its reasonable for my expenses to be covered if i am to present - I may undertake webinar but seeing instrumentation and demonstrations is better. Next two lectures in...
  15. Thank you - would be delighted to help

    Thank you - would be delighted to help
  16. Replies
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    7,459

    No secrecy and techniques have been known for...

    No secrecy and techniques have been known for years - but a lot of work to explain - you can easily look old fashioned techniques up. Happy to show you if you travel.
    You are such a cynic - and...
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    Easy to measure - but not for post. For example...

    Easy to measure - but not for post. For example in cases of divergent strab (untreatable using conventional theory) - you can see the eyes straighten - and you can disassociate them to order. (strab...
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    It'll all be published in due course. In strab...

    It'll all be published in due course.
    In strab there are occasions when eyes process visual information at different speeds - synchronise them - and guess what happens - immediately. It's difficult...
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    I completely disagree with numbers - my figures...

    I completely disagree with numbers - my figures would be approx 1% profound effects, 5% significant effects, 10% enough of an effect to consider, 20% small effects. When we talk about timing - how do...
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    My own position - tints are often as important /...

    My own position - tints are often as important / more important than refractive errors for a sub group of patients, and they are both inter- related in optimum vision. Assuming this is the case it is...
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    Next year would be realistic - there is a lot of...

    Next year would be realistic - there is a lot of work
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    Real evidence based medicine is not bound by...

    Real evidence based medicine is not bound by rules. The Dreyfus brothers have described five levels of learning, beginning with the novice who learns the basic rules and applies them mechanically...
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    To make it clear - the EEGs were taken and...

    To make it clear - the EEGs were taken and assessed by Dr Bev Steffert and Prof Y Kropitov under flourescent lights -with and without filters. Both Bev and Yuri are very well known and well...
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    Much better methods than trial and error...

    Much better methods than trial and error possible. We use techniques which are extremely reproducible - even after a year they were almost identical - and very precise (in clinical trials of how...
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    How it is to be set up is open for debate - I...

    How it is to be set up is open for debate - I thought you tube + possible book + if wanted - workshops. My thoughts - basic level - you tube free - more advanced in conjunction with online book -...
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