The
evidence
Many
people already know that fluorescent and other lighting can cause
a variety of symptoms. The last decade has seen a growing body
of evidence demonstrating that artificial light sources can have
adverse effects on individuals.
For
further information follow the links below.
The Cambridge Trials
These clinical trials, funded by Hoya, Norville and Orthoscopics,
used the Orthoscopics System to prescribe Hoya tinted lenses for
a group of children with reading difficulties. The results are
unambiguous and demonstrate the validity of the technique.
Tinted Glasses
Tinted glasses have been used for about 10 years with varying
degrees of success. To date prescribing these has been either
trial and error or limited to reading speed trials which can be
slow and subjective. The Orthoscopics system is differentit it
provides a fast and simple technique to generate a accurate prescription.
Hoya VDEX lenses are a new range of tinted lenses designed in
conjunction with Orthoscopic's Clinical Director Ian Jordan specifically
for the relief of perceptual problems.
Seasonal Affective Disorder
SAD and depression can sometimes be treated with light. It is
well documented that these conditions arise for those in northern
countries, and that bright lights for a few minutes can have beneficial
effects.
BBC TV 14/2/03 report
At the American Association for the Advancement of Science, there
was a paper presented by Prof. Brainard who revealed that light
reaching the eye has a direct effect on the incidence of breast
cancer for women night workers.
Coloured Overlays
Coloured overlays are known to help reduce reading difficulties
in a some children. The overlays are used by schools to modify
the colour of the page. This techique is no use for writing. A
much more accurate method for teachers is to use the Orthoscopics
Optimeyes Lamp.
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