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Sunglasses Rope Adjustable Holder Sport Strap Eyeglass Cord

₦ 1,450

₦ 5,00071%

Not deliverable to LEKKI-AJAH (SANGOTEDO)

4.4 out of 5

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:66 cm

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Sunglasses can block uncomfortable glare while protecting the eyes from ultraviolet rays.All thanks to metal powder filters, which "select" light as it enters.
Tinted glasses selectively absorb some of the wavelengths that make up the sun's rays because they use very fine powders of metal (iron, copper, nickel, etc.).
In fact, when light hits the lens, it is subtracted by a process called destructive interference.That is, when certain wavelengths of light (uva, uvb, and sometimes infrared) pass through the lens, they cancel each other out on the inside of the lens, toward the eye.
It is the fashionable variety of sunshade mirror actually, although the blocking effect to sunshine should be less than sunshade mirror, but its fundamental purpose is to have adornment effect.
Tawny sunglasses are recognized as the best lens color in sunglasses products. They can absorb almost 100% of ultraviolet and infrared rays.And downy tonal make vision comfortable, let an eye not easy fatigue.
Glass lens has excellent optical properties and is the best optical material.But the ordinary glass lens is easy to break, impact resistance is relatively weak, safety is not high.

All thanks to metal powder filters, which "select" light as it enters

View the data of the spectacle frame that is being worn now, and obtain the data for comparison with the relevant data in the figure above;
If the glasses frame you are wearing cannot see the three data, you can use a ruler to measure the data of the glasses frame you are wearing
Try it on at the optician's and make a note of your size.
Using a ruler to measure the approximate distance between the temples,
Usually the suitable width of the inside of the frame can be the same as the temple value or 63656MM larger than the temple value.