Posts Tagged ‘ultra violet rays’
good eye care habits
Having good eyesight is very important. A good vision helps you to see clearly far and wide. It’s very important that we maintain healthy eyesight to perform different tasks and activities. As a person starts growing older he might feel some aging around his eyes. But just aging does not mean that he will lose his eyesight forever. There are many aged people of more than 80 years who continue to maintain good eyesight.
The color black creates a sense of fear within us. No one wants to get blind and live in darkness forever. Every one of us wants to enjoy the true beauty of this world and welcome brightness everyday in our lives. You can continue to have healthy eyesight. For this it’s very important that you take good eye care. Proper and regular eye care will only help you create brightness in your life.
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4 Ways to protect your eyes
There are different ways to protect your eyes. The four best ways to take good eye care are
• You need to visit your eye doctor regularly. It would advisable to consult an ophthalmologist if you experience eye aging, eye swelling, and irritation in the eyes, color blindness or any other eye related problems.
• It’s very important that you follow different disease prevention techniques. There are different eye diseases that can lead to permanent loss of eyesight. Few of such diseases are Glaucoma, cataracts, macular degeneration and diabetes. Most of these diseases are incurable. However you can still prevent them if you take regular and timely care.
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• Avoid exposing your eyes to the harmful ultra violet rays of the sun. Protect your eyes from the sun’s rays as much as you can.
• One of the best ways to protect your eyes from different problems is by wearing safety glasses. You need to wear suitable glasses especially if you are working with hazardous and harmful air-borne materials.
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Article Source:http://www.articlesbase.com/vision-articles/good-eye-care-habits-1584663.html
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Since the invention of lenses by Czech chemist Otto Wichterle and his assistant Drahoslav Lím, who first invented the gel used in contact lenses and the touch of modernity with the hand of Kevin Tuohy, first to invent contact lenses of plastic (1948), the entire vista is supposed to be changed. The demands of modernity have been fulfilled, to some extent.
Contact lenses offer its users a comprehensive and world-class ease. Beside never backward to sprinkle the charm free from the boredom of ancient glasses.
Contact lenses serve the corrective purposes of spectacles. But while spectacles often do mar the distinct vision, contact lenses never license these sorts of problems. On the contrary, have lightweight and virtually invisible.
Hard (corneal) lenses cover the pupil and cornea. They are, in general gas permeable (i.e. allowing oxygen to reach cornea). Soft (hydrophilic) contact lenses cover the entire cornea. They are hydrated in saline solution.
Some cosmetic lenses bear the colored complexions to change the appearance of your eyes as well as your personality.
Appearance and practicality are the influential sectors of contact lenses. By its conditioned benefits, the users can also be befitted by its reciprocal standing. Simply by its effective power to grasp and reflect the ultra violet rays or the blue rays of the sun and in doing so lightened detrimental diseases of eyes.
Contact lens is originated to improve vision. In some cases there happens to be a mismatch in between the refractive power of the eye and the length of the eye, ultimately sweep towards “refraction error”. Contact lens effectively reduces this dichotomy.
Diseases like myopia (near or short sightedness), hypermetropia (far or long sightedness), astigmatism and presbyopia respectively, can easily be cured by the perfect use of contact lenses.
For those who used to suffer from “color deficiencies”, a red tinted “x-chrom” contact lens will be handy for those peoples. Though it will not totally cure the normal color vision. Practically it is meant for those people color-blind peoples to distinguish colors in general.
Contact lenses have surgical functions as well. Soft lenses are useful in the treatment of non-refractive disorders of the eye. Contact lens protects a diseased cornea from constant rubbing and blinking of eyelids. They are comprehensively used in such treatment, which includes – bullous kerathopathy, dry eyes, corneal ulcers, corneal edema, corneal ectasis and other deadly diseases.
Like general eyeglasses contact lenses have single focal point or multifocal points. For presbyopia or accommodative insufficiency multifocal contact lenses are handy, single lenses can also be used as monovision. Multifocal lenses serve a more useful contribution and provide distinct vision of far and near at the same time.
Thus the use of contact lenses has become so popular. With its policy to fit better in your day to day lifestyle with an urgent necessity to fix your problem regarding detrimental eye-diseases. The handsome and radiant outlook is supposed to gain a perfect personality and you can get an opportunity to make yourself up to date with the present world. The license is for all within a small expanse.
Get the best place to buy contact lenses is Contact Lense Compared where you can find the best quality contact lenses at a reasonable range.
Article Source:http://www.articlesbase.com/vision-articles/contact-lenses-the-mouthpiece-of-modern-times-1445213.html
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WHEN we think of sunglasses, with their respect to eye protection, we think first of UV protection. The Suns’ Ultra Violet Rays have both positive and negative effects on the human condition. As an example of one of the positive effects of the suns’ rays is that they induce the production of Vitamin D in the human skin. This is easier for some people than drinking milk! Obviously, this is only a positive effect when the exposure is limited , with respect to the the sun bathers’ skin pigment, and at the proper time of day. Over, or improper exposure can cause sunburn and other skin maladies.
HOWEVER, it is the UV rays’ effects on the eyes that concerns us. According to Wikipedia, when the eyes are exposed to excessive amounts of UV light, eye structures such as the retina, cornea, and lens can be damaged. WIKIPEDIA further states “Protective eyewear is beneficial to those who might be exposed to UV radiation, particularly short wave UV’s. Mountaineers are exposed to higher than ordinary UV radiation, both because there is a loss of atmospheric filtering, and because of reflection from snow and ice.”
MOST Important to this discussion of eye protection is the following information from Wikipedia. “Ordinary untreated eyeglasses give some protection. Most plastic lenses give more protection than glass lenses, because glass is transparent to UVA, and the common acrylic plastic used for lenses is less so. Some plastic lens materials, such as POLYCARBONATE, inherently block most UV. There are protective treatments available for eye glass lenses that need it, which give better protection. BUT, even a treatment that Completely Blocks UV, Will Not Protect the Eye from Light that Arrives Around the Lens.”
So POLYCARBONATE lenses seem to be a natural solution to eye protection from UV rays. IN particular, the Dry Eye series of polycarbonate,polarized, sunglasses, by Wiley X Co., give even more protection. The Dry Eye Series, also known as Climate Control Sunglasses have a removable inner Facial Cavity Seal(tm). This comfortable, ergonomically designed foam seal fits the Universal Adult Face. The Dry Eye Series of Sunglasses, with Polarized Polycarbonate Lenses give the eyes multiple layers of protection in the following ways:
1-The Facial Cavity Seal blocks out harmful UV Rays from the sides, as well as the top and bottom of the sunglasses.
2- The Facial Cavity Seal blocks out wind which can cause eye strain and dry out the eyes. This Can cause symptoms of Dry Eye Syndrome, particularly in older adults.
3-The Facial Cavity Seal has a patented top down(tm) ventilation system, which keeps the eyes cool and comfortable, while keeping the lenses fog free.
4- The Polarized, Polycarbonate lenses block out, not only 100% of Harmful UV rays, but also contain 99.9% Polarization, which virtually eliminates harmful glare, resulting in clear, sharp, unstrained vision.
5- The Facial Cavity Seal also blocks out airborne debris, such as sand and pollen.
6- Last, But Not Least, the patented(tm), State of The Art, Polycarbonate,Polarized Lens surpasses ANSI Z87.1-2003 High Velocity and Ballistic Safety Standards, and are worn by many of US Military personnel in the most Extreme Hazardous Conditions. They are virtually in a word, (Shatterproof).
When All of the above stated features are combined with various, stylish,wrap around,functional, durable, frames that are virtually indestructible the result is a pair of versatile protective sunglasses with Multiple Layers of Eye Protection.
James zay is the CE?O and head of research at Zioty Marketing Unlimited, Inc., and lives in Florida, where he is an avid surfer, fisherman, and golfer and has recently developed a website for sunglasses with active, outdoor people in mind. www.protectionsunglasses.com
Article Source:http://www.articlesbase.com/vision-articles/multiple-layers-of-eye-protection-1364821.html