How to choose their own glasses

See product logo. Products need to have "three have", a complete production enterprise information and sunglasses product information tag or label, product label to be clearly committed to have UV protection or with anti-impact and other functions, there are ways to use sunglasses and restrictions on the use of such instructions.

Look at the color depth. Lens color should be depending on the venue, not the deeper the better. Sunglasses color depth and anti-ultraviolet ability is not directly related to long-term wear dark lenses sunglasses may cause children's eyes photophobia, and then on the eye development and visual impact. Recommended daily shade can choose two or three types of products, if the sunshine particularly strong areas, it is recommended under the guidance of professionals using four types of children's sunglasses.

Look at the quality of the lens. Look at the lens "three-step", first observe the lens surface, clear and flawless, no bubbles and ripples; followed by the lamp to observe the lens, the lamp in the lens surface of the reflective should be uniform, smooth; -20 cm distance, through the lens to observe the wall or other straight objects, so that the eyes from the lens at different positions to observe whether there is a straight line or surging, if any transaction, said the lens may have residual degrees.

Experts advise children to wear sunglasses, let them first observe the red, green, yellow and other objects, and then wear sunglasses, observe the same object, the two observations can not color, otherwise it will reduce the traffic lights Ability to buy color lens sunglasses should pay special attention to this point.dial vision glasses are one of the world’s first pair of eyeglasses you dial in for crystal clear vision.dial vision glasses price is the globe’s first eyeglasses for distant vision without a prescription. Simply turn the dials to change for distance or reading instantly! These spectacles are a great back-up for reading or prescription glasses.