Pinhole glasses, otherwise known as stenopeic eyeglasses, are a unique form of visionary aid that have a series of pinhole sized holes in a sheet of plastic for a lens. Pinhole eyeglasses work by allowing a narrow beam of light to enter the eye through these small perforations. This helps to reduce the size of the circle of confusion that is placed on the retina of the eye and can help to increase the field of depth in your vision. Pinhole glasses do have some beneficial affects over those that need a visionary aid, however there are also some negative aspects to the glasses that make them a poor choice for some.
Pinhole glasses have been used for hundreds of years by optometrists and ophthalmologists. They are beneficial in helping to correct vision problems such as myopia or near-sightedness and hyperopia or far sightedness. They are also beneficial for those that suffer from conditions such as cataracts and astigmatisms. Pinhole eyeglasses can be used for many stationary activities such as working at your computer, watching television and reading.
There are monetary benefits to using pinhole glasses as well. Unlike prescription eyeglasses which may change prescription over a course of years resulting in you continually having to spend money on new glasses, pinhole glasses do not change. One pair will last you years, and you never have to worry about changing prescriptions. They are truly a one time investment. Additionally, you do not have to worry about the lens of pinhole glasses becoming scratched and damaged, which necessitates buying a new pair. Pinhole eyeglass lenses are strong and durable and will last for many years.
As with anything in life, there are some negative aspects to using pinhole eyeglasses. While pinhole glasses can be used by those who suffer from both myopia and hyperopia, they can only be used by those who suffer from these conditions to a certain degree. These glasses will not work for those who suffer from a severe form of the condition. Since pinhole eyeglasses also reduce brightness, they are not ideal for people to use in dim locations as they can pose a hazard by diminishing your vision and not allowing you to see correctly. Pinhole glasses also reduce the amount of peripheral vision that you have, so they should not be used by a person that is operating machinery or driving a vehicle. It is important to note that having your peripheral vision impaired can also be potentially dangerous even while walking.
As you can see, there are both pros and cons to using pinhole eyeglasses. Your best option is to discuss possible use of them with your eye doctor, to help determine whether they may be beneficial to you. You can of course, also just try a pair on your own and see how you like them. It may be quite possible for you to use them in conjunction with another form of eyeglass. Pinhole glasses aren't for everyone, but there is no harm in finding out if they are right for you.
Originally posted 2008-11-16 08:42:35. Republished by Blog Post Promoter
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