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Health

Lens color of sunglasses has no relation to eye protection

02/17/2014

This article was translated by an automatic translation system, and was therefore not reviewed by people.




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Litza Mattos


Not only is the skin that suffers from high temperatures and dry weather in a rigorous summer. At such times , in addition to sunscreen , sunglasses should also come into play . The alert is the ophthalmologist Ana Maria Vieira , Eye Hospital Dr. Ricardo Guimaraes .

According to Ana Maria , UV rays are the main villain for eye health in the hottest season of the year . " So it's important to have a glasses with a protective factor against UVA / UVB rays on the lens . This helps prevent some diseases ( see infographic ), and evaporation of the tear and consequent dryness of the eyes , "he explains .
The ophthalmologist explains that there is no relationship between the color of the lenses of the glasses and protection . " They ( the colored lenses ) can interfere with the quality and comfort of vision, the brightness, the contrast , but not in UV protection," says Ana Maria .
More than an accessory , the artist and blogger Camila Gomes , 30 , says he has a true love relationship with the glasses - an article of prime necessity for it . " I have myopia and increased sensitivity to light , so for me , the sunglasses are almost like a cane . Lately , I am preferring to use a dark well and others with greenish lenses, which give more comfort to drive , "he says .
As the glasses sold in the country do not have a quality seal regulated by the National Institute of Metrology , Quality and Technology ( INMETRO ) attesting protection at the time of purchase is important to note if the product comes with a label that indicates the quality of the filter . " Just looking , the client can not get to know , but it can lead to an optic . Most stores have a device capable of measuring the quality ( lens ) " directs the ophthalmologist.
And it is misleading to think that the clear lenses are exempt from this same concern . " It is wrong to think that dark lenses protect more . When shopping for sunglasses , is the degree or not , you should ask the optics a lens that has this feature , "says Ricardo de Almeida Neves , vice president of the Brazilian Society of Ophthalmology .
The size will also interfere with the protection , according to the ophthalmologist. "The bigger the glasses , they will give more protection , because the rays also affect the top, side and bottom. Only glasses are not sufficient , and the use of caps is also indicated , "says Neves .
Accessory use by children is just above 4 years
The fragility of children makes them naturally escape from the sun. Not so parents should only be concerned with buoys and sunscreens during the summer . According to ophthalmologist Ana Maria Vieira , the use of sunglasses is also indicated, but not below 4 years.
" Very young children , up to about 4 years old should not use because they can hurt themselves with rods , for example. From there , the recommendations are the same for product choice . A protective factor is necessary , but the lenses are not as dark . Up to 8 years , children need light to develop the vision and ability to see the details . The eye is still in a phase of ' learning ' , and the brightness is barred , it will hurt , "he says .
Ana Maria explains that the child should not also use colored lenses for a whole day , but " play a little does not hurt ."
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The artificial tear eye drops are given to prevent drying of the eyes , but they must comply with a medical orientation .



Source : Weather

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This article was translated by an automatic translation system, and was therefore not reviewed by people.

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