June 16th, 2010 | Author: admin
Sun Eyeglasses
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Sunrise, the sky is blue ... Do not let your eyes damaged by the sun spoil your View
The rays of the sun is to blame for eye damage
It is commonly known that exposure to sunlight can cause skin damage. However, not only the skin that can suffer increased levels of ultraviolet radiation to which we are exposed during the summer months, our eyes may be at great risk too.
Prolonged exposure to UV rays can be to blame for many eye disorders including cataracts and even cancer.
UV radiation levels are three times higher in June, July and August than during the winter. Worse Moreover, from 10 to 3 pm and at high altitudes, such as ski resorts, the levels are amplified.
The effects of UV light
Exposure levels intensity of UV light, especially reflected in the snow, sand or water can result in eye surface burns, like the skin. While burns are usually temporary, it can still cause irritation and uncomfortable symptoms as such:
• Swelling of the eyes
• A 'Brave' sensation in the eyes
• Over-watering and blinking
• The inability to handle the bright lights
• The possibility of the "blindness Snow ", a form of temporary blindness
However, long-term exposure to UV light can be more dangerous connotations, such as damage to the cornea and conjunctiva and the lens and retina.
This damage can lead to the development of cataracts, cancer of the conjunctiva (the membrane covering the eye) and skin cancer of the eyelids.
Research
Furthermore, and perhaps more worryingly, research has shown that prolonged exposure to sunlight can lead to macular degeneration related to age, a vision disorder related to that can lead to blindness.
The research was conducted at the School of Medicine, University of Wisconsin-Madison, USA. More than 3,600 patients between the ages of 43 and 86 were monitored for five years, and 2,700 for 10 years.
Participants who spent more than five hours a day in the sun during adolescence and the thirties and the study began were three times more likely to develop increased retinal pigment, a trait associated with age-related macular degeneration with age.
These same patients were also found to be twice as likely to develop macular degeneration age-related early during a period of 10 years compared with those who watched less than two hours a day in the sun.
However, and importantly, the results also showed that participants who spent most of the time in the sun stood at around 50% lower risk of developing symptoms related macular degeneration related to age when wearing sunglasses and hats at least half the time spent in the sun.
How to protect your eyes from the sun
1. Wear sunglasses
The most obvious - and more effective - Way to protect your eyes from UV rays.
Choose sunglasses that provide at least 95% UV protection with a lens tint that blocks 80% of transmitted light. Do not opt for glasses that block over 92% of light however, because this may affect the ability to see properly.
Choose a pair of sunglasses fitted with lenses that sit near the eyes. Summary around frames to prevent light in the eyes from all angles and make a good choice for those who will pass number hours of sunlight. For tourists, polarized lenses offer the additional benefit of reducing glare from water skiing and sand.
Lens color also makes a difference: gray lenses are ideal for driving, and that does not alter the primary colors. Green lenses are good on cloudy days, allowing maximum useful amount of light reaching the eyes. For better protection against glare and sharper detail, choose brown lenses.
Most of prescriptive sunglasses these days have built in UVA and UVB. Check that the word filtered in the cloud. Transition lenses are clear indoors and outdoor dark form another option for prescription lens wearer.
2. Wear a hat
A wide-brimmed hat can further reduce exposure to UV rays by shading the eyes.
3. Use UV protective lenses with sunglasses
UV blocking contact lenses can help protect against transmission of harmful UV rays to the cornea and the inner eye. However, there is no evidence that wearing contact lenses with UV blocking reduces the risk of developing prevention of cataracts or other eye disorders.
These lenses are not a replacement UV-absorbing sunglasses, but when used with sunglasses, which can block a large amount of UV rays that reach the eyes through the open spaces around sunglasses.
4. Minimize exposure to UV rays
Reduce the time spent in the sun 10 am-3 pm, and during the summer months. Also, avoid sunlamps and tanning beds.
5. Watch what you eat
A diet rich in a variety of fruits and vegetables will give a boost of antioxidants that can promote good eye health. In times of increased sun exposure, as when holidays abroad, to ensure a good amount of these foods are included in the daily diet.
About the Author
Ruby Hashim is a fully qualified optician. She owns and runs The Eye Academy (www.theeyeacademy.com), an independent Opticians practice with branches in Windsor and Guildford, southeast England. Both practices combine clinical excellence with the ultimate in fashion, offering an extensive range of designer name-brand frames. Their strong clinical focus; wide range of specialist services that are not typically found in other high street Opticians; exceptionally high standards of patient care and continuous investment in new technology gives them the edge over their competitors and is the reason that their largest source of new customers is personal recommendations.
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