Pin Hole Glasses
Improve your eyesight in 15 minutes a day with Pinhole Glasses
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If you have a rudimentary understanding of how a camera works, you might
have a better idea of why pinholes created in cardboard, plastic, or any
other similar medium can improve vision for people with
farsightedness,
nearsightedness,
presbyopia, or
astigmatism. Camera enthusiasts know that when you narrow the opening (aperture) of the camera, images then are focused through the lens at a much greater range of distance (depth of field). If you widen the aperture and allow in more light, you then achieve focus with the camera lens in only a very limited range of distance. Similar principles apply when light rays enter the eye through a pinhole. When the eye deals with only a narrow band of light rays, ability to achieve sharper focus is enhanced. This is because the pinhole blocks many light rays that otherwise would contribute to formation of a blurry image. When you look at a blurred object your brain moves the focus of the eye in and out until it gets an increase in contrast. If no increase is achieved your brain leaves the object unfocused. Pinholes improve the sharpness of the image, allowing your brain to find the point of focus. During this process the focusing muscles of the eye are getting used more and this regular exercise helps your eyes’ focusing system. |
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Exercise your eyes while you read or watch TV |
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Long-sighted people can do this exercise while focusing close up – doing things like reading. Short-sighted people get the benefit from focusing at a distance, eg. Watching TV |
| 15 minutes a day |
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The major cause of the long-sightedness that comes with advancing years is a weakening of the focusing muscles that control the eye’s lens. Looking through the tiny holes forces the eye muscles to exercise. Just 15-20 minutes a day bring a noticeable improvement within a couple of weeks. |