Protect Your Eyes with Sunglasses

Trend requires, the French often change pair of sunglasses. But more than the appearance, the real question is about the quality glasses. Goal: protect
the eyes of the big and small.

The Sun is not that good! The most dangerous rays are invisible. To protect a single solution: use filters! The lenses of the sunglasses play this role by reducing the transmission of harmful rays: ultraviolet (UVA, UVB, UVC).

The regulation, through the marking this mandatory (engraved on the mount or affixed outside of the glass), the sunglasses lenses filter out 100% of UV.

Caution:

  • UV 400 displays are just marketing!
  • It is forbidden to sell a pair of sunglasses without notice.

[R] CE marking and the NF are not a guarantee of quality. To obtain the CE marking, simply that the manufacturer provide two or three models that he knows in line.

The price difference between the sunglasses is explained by the design, manufacturing, and controls. Below €70, we take the risk of buying a quality product that will not really protect the eyes on the long term.

Sunglasses: compulsory information

Category of lenses Pictogram Unfiltered light/UVB rays Use
0 Cloud 80 to 100% / 8-10% Aesthetics
1 Sun veiled 43 to 80% / 4.3 to 8% Comfort and aesthetics
2 Sun 43-18% / 1.8 to 4.3% Average sunshine
3 Sun,sea, mountains 18 to 8% / 0.8-1.8% Strong sun light
4 Sun,sea, mountain + locked car 3 to 8% / 0.3 to 0.8% Exceptional brightness (sea, snow) banned for driving

 

Children: glasses of category 3

Aged 0-10. The eyes of children are very sensitive to ultraviolet (UV). Before the age of one year, the lens is almost all transparent. Result: 90% of UVA and a large proportion of the UVB received by the eye reach the retina.

Verse 13 years. About 60% of UVA and 25% of UVB are passed, compared with 20% of UVA in adulthood. The blue light is the most harmful to the retina, after ultraviolet.

Glasses. Category 3 with a 100% UV treatment. Check that the mount complies with the distance between the eyes. Several brands offer glasses treated to filter the blue light: Cébé with treatment to melanin or some Decathlon models, with the ‘blue light’ logo, for example.

Price. From 8 to €50.

Adults: light and resistant glasses

Little sunny weather. Category 2 glasses are enough.

All-weather Proctection. Category 3 is the most versatile.

For athletes. The mounts must be enveloping and block the rays that pass through the sides.

Glasses. The mineral line is little but are more sensitive to shocks. The glasses organic, light and resistant to shocks (polycarbonates), can undergo different treatment:

  • anti-reflective
  • sparkled
  • photochromic (charging according to the light)
  • polarizing for the sea and the mountain.

Price. From 20 to €100.

 

Gallery

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Sun Safety Tips for UV Safety Month

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