The first time I saw pinhole eyeglasses was throughout a routine visit the nearby pharmacy while i was in Singapore. To be honest, I first mistook these pinhole glasses for a fashion accessory considering its resemblance with regular sunglasses. I thought the perforated lenses were some type of fashion trend and so I dismissed them graduated. It was only later that I began wondering why a pharmacist would choose to display fashion accessories in his location. Confused, I walked to be able to the section along with glasses, removed my spectacles, picked a pair from the display rack, and put it on. And I had shocked at the clarity of my vision.I had never heard about these pinhole eyeglasses before until I actually tried them as well as then read about the subject on an information sheet below less than rack. At first, it was shocking to even feel as if a couple of perforations on a lens could allow you regain near perfect vision. But after i read more, I realized that there was indeed a solid scientific explanation in terms of why they were effective.A lot of us, in particular students, suffer from short-sightedness, which is basically caused by the lack of the lens in our eye to focus that of any object we are looking at, onto the retina. The problem, in simple terms, is that all the light rays that enter our eyeball don't converge at the retina when they're supposed to. Now, wearing spectacles has an additional lens that corrects this disorder, allowing the image to be guided toward the retina. How exactly can a perforated black plastic lens perform the same function as our regular spectacles? Well, the answer is concerned with some complicated optics but the most simplified way of putting it is the to say these kinds of perforations allow straight rays of light to pass through our pupils into the retina which significantly improved the ability of the eye to focus an image onto the retina.As a result, pinhole glasses have become a good alternative to regular spectacles. Not just do they provide perfect or near perfect vision, they will are also cheaper and less light. What's more, they improve vision for those suffering from other challenges apart from myopia, such as hyperopia, astigmatism or even stress on a persons vision due to constant computer usage. Furthermore improve one's sight for all sorts of distances as well, making them 'all-in-one' eyeglasses.
While these pinhole glasses are truly fascinating, they do have certain restrictions regarding usage. For one, they should basically be used in good lighting conditions so as that one will not provide unnecessary stress to the eyeballs. They should also not really used during occasions that require vision in all directions, such as driving, as these pinhole glasses usually restrict vision to in one dimension.All in all, this is actually a fantastic discovery along with a firm scientific foundation polished by sleek designs and attractive looks. If not must-buy, it is considered to be a must-try.
Mike has been writing and publishing articles about health products. He recently came across web site on pinhole glasses which gave information about this old a style of using pinhole glasses for eyesight a static correction. Here's an article about pinhole glasses.