True / False About The Sun And The Eyes

Summer rhymes with sunscreen and… sunglasses. You still have to choose them well and know when and how to use them. Focus.

Sunglasses have become the essential accessory of the summer. But they are not a gadget. If aesthetics are important, there is no question of giving in to fashion by favouring, as 70% of young people aged 16 to 24 * do today, the brand to the detriment of quality. One does not necessarily rhyme with the other … To make the right choices and preserve your capital as long as possible, it is better to start by chasing away preconceived ideas.

UV rays are also dangerous for the eyes

TRUE. Overexposure to the sun’s rays is not only bad for the skin. It also has consequences on the eyes, in the more or less long term. This can range from a simple burn of the surface of the eye (cornea) to the acceleration of its ageing which can lead to the appearance of early cataracts or participate in the development of Age-related Macular Degeneration (AMD). )… In other words, sunglasses are to the eyes what sunscreen is to the skin.

Clear eyes are more sensitive to the sun

FALSE. “Everyone has their own sensitivity to light,” explains Catherine Jégat, spokesperson for the National Association for the Improvement of Sight (AsnaV). A blue or green eye is in fact no more exposed to light hazards than a brown eye. Explanation: the iris, which gives the eye its colour, is made up of a more or less pigmented surface layer, and a deep, more opaque layer, which blocks all of the light.

The more tinted the lenses, the more effective they are

FALSE. Do not confuse tinted glasses and filter glasses. The former protect against glare (visible light), the latter against ultraviolet (non-visible light). Even transparent, corrective lenses can perfectly filter UV rays, which is not necessarily the case with tinted lenses. Vigilance is all the more necessary as the pupil dilates with the darkness and lets more UV pass through. To be well protected, you have to rely on the filtration category of the glasses by choosing indices 3 or 4.

There are anti UV contact lenses

TRUE. “But they do not replace sunglasses,” warns Catherine Jégat. Lenses with UV filters are placed on the cornea and lens. They do not protect the area around the eyes, especially the eyelids. If they have their interest, especially for the practice of extreme sports, they remain less effective than sunglasses, which must be chosen enveloping and marked CE (on one of the branches rather than on a label).

The eyes can also get sunburned

TRUE. This is called snow ophthalmia because it is particularly common in the mountains. But it can occur anywhere when the eye is exposed unprotected to intense ultraviolet radiation. This sunburn, which is the superficial burning of the surface of the eye, usually manifests as a feeling of sand in the eyes, tearing, and blurred vision. Very painful, it usually heals in 2 or 3 days, without sequelae.

You can protect your eyes from the sun by eating carrots

FALSE. It is now proven: certain nutrients such as carotenoids, but also vitamins A, C and E, omega 3, zinc or copper, participate in good eye health. Their regular consumption helps to slow down the deterioration of sight, inevitable with age, and to delay the onset of chronic diseases such as cataracts or age-related macular degeneration (AMD). On the other hand, it absolutely does not prevent the aggression of ultraviolet rays which, for its part, accelerates the ageing of the eyes.

Babies must wear sunglasses

TRUE. Children are more sensitive to sunlight than adults because their pupil, the black part in the centre of the eye, is larger and less pigmented. Consequence: it filters UV rays much less well. It is therefore important to equip them with sunglasses from an early age, whatever the place (city, park, beach), and the time of day. Prefer to buy from an optician.

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