Pin Hole Glasses
Improve your eyesight in 15 minutes a day with Pinhole Glasses
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The tortoiseshell frames surround tough, curved polycarbonate lenses which house the precision-moulded grid of holes which allow your eyes to focus better. As the lenses are curved each hole is the same distance from your eyeball. Beware of the flat lenses used by other, often more expensive pinhole glasses retailers. |
An eye expert writes...
Peter Grunwald is a world-renowned expert on eyesight, regularly lecturing in 12 different countries, ‘very few people are born with bad eyesight, most bad eyesight is acquired’ he says.
‘Bad eyesight is known to be caused by too much strain in the eye muscles. Conventional glasses only serve to increase the problem. When your eyes are starting to have a problem focusing, using corrective lenses simply compensates for the error – they don’t train or exercise the eye. That is why people who wear glasses frequently have to wear stronger and stronger glasses as time goes by.
‘Pinhole glasses need to be worn for only short periods each day – typically 15-20 minutes daily - while you continue to wear your normal glasses or contact lenses the rest of the time. Pinholes have also been connected to reduced heart rates when worn by VDU users.
‘Tests indicate that, because the eye has to focus on a fixed point (your computer screen), after a few minutes, heart rate (one of the best indications of stress) can increase by around 5 per cent. This is enough to cause tension in the shoulders and lead to headaches.
‘Because pinholes are smaller than the eye’s normal pupil size they relax the eye without losing the clarity of the image. The reduced tension in the eye is felt immediately and heart rate returns to normal within minutes,’ says Grunwald.
James E. Lebehsohn, M.D. Ph.D. Chicago
Glare protection for eyes dates back to prehistoric time. Some devices were made of bone, wood or hide, and had slits in them to protect the eyes from the glare of the sun, snow or sea water. These were tied round the head with strips of hide. Today a scientific version of the glare interceptor, called by the distributor Stenopeic (multiple-pinhole) spectacles in which 7 rows of pin-holes of specific size and spacings are placed in a plastic opaque material are available. These, after much experiment, were found to be valuable in certain cases of subnormal vision. A few examples follow of the conditions in which they have been used successfully.
A man of 58 had unaided vision of right eye 20/13, left eye 20/300. A diffuse posterior subcapsular cataract was present in his left eye. With pinhole spectacles the vision of this eye was 20/30 though no lens gave any improvement.
An appraiser of 56 had a left mature cataract and a right incipient cuneiform cataract. The right acuity was 20/40, unimproved by lenses. He had been wearing pinhole spectacles successfully for two years, achieving 2030 vision without veiling glare. He can read 4-point type with a hand magnifier.
A man of 46 had bilateral cataracts. On September 23, 1952, with mydriasis, vision was correctable by glasses to right 20/30, left 20/20. On August 1, 1953, his vision with these glasses had diminished to right 20/70, left 20/40. I then recommended pinhole spectacles. With these his distant acuity was 20/25 in both eyes and he could read 4-point type.