At the approach of the summer, it is recommended to take all necessary precautions to protect his eyes, but also those of children of the sun. On the occasion of the Days of Vision to be held from 7 to 12 June, the National Association for the Improvement of sight (ASNAV) provides some practical tips for choosing quality sunglasses to protect the retina and the cornea from UV rays.
Choose the vintage style sunglasses and foremost, it is recommended by internetages to choose a camping sunglasses adapted to its business. The filter glasses Category 2 are not recommended for people wishing to spend their holidays at the seaside or in a sunny area.However, they agree as a city in protection when the brightness is reduced. Category 3 is ideal for sunny conditions “normal”, while the category 4 is for mounting or rides high at sea. Note, motorists are advised to never use category 4 lenses when they get behind the wheel because this solar filtration index impairs vision and color perception.
Opt for glasses that filter the blue light charge of serious damage to the retina and the development of related macular degeneration with age (AMD), the blue light is particularly strong in daylight, especially when the weather is clear . The lenses designed based melanin perfectly filter blue light. If in doubt, individuals can ask their optician who will guide them in choosing their solar.
Polarized lenses for driving if motorists to ban wearing glasses Category 4 when driving, they are however advised to wear polarized lenses. According to ASNAV, “when sunlight reflects off a flat surface like the road, the hood or the windshield, it undergoes upon reflection, a modification of its radiation. It is called polarized. Having become extremely bright, it causes a strong discomfort and altered contrast perception and relief. ” Polarized lenses are used to filter this obtrusive light to improve comfort and visual quality of drivers.
Child protection Eye In adults reverse, the eyes of children have no natural protection against the risk of eye damage from UV. The retina of infants under one year, for example, reached 90% of UVA and more than 50% of UVB. Children must wear filtering sunglasses when categorized on the slopes at the edge of the water, under an umbrella or sitting in the grass. Eyes smaller should be protected as soon as they are exposed to the reflection of UV.
Favouring quality lenses gadgets
Although they are cheaper and trends, glasses “gadgets” offer no protection. Most quality lenses, including available from opticians, are equipped with a filtering index, protection against blue light and an anti-reflective treatment. Furthermore, the glasses must filter UV 100% for optimal protection.