The guide of buying sunglasses

Hot, more and more handsome boys & girls are beginning to buy their favorite sunglasses, but, you know, if you choose sunglasses's inappropriate, not only affect your vision and can not withstand ultraviolet light, the result is the pupil dilation, eye lens in this case, more UV exposure, causing more damage to the eyes, so choose your sunglasses, be sure to pay attention to the method of choice. Then buy the sunglasses should pay attention to what? First, the appearance of sunglasses should be observed. Observation of? Pay attention to see the packaging and appearance of sunglasses to see if there are scratches, impurities, bubbles, stripes, etc. Second, try to select sunglasses, they can try to put there, dizziness, headache feeling. Third, to observe lens sunglasses: sunglasses lenses observation there is a relatively simple method is to sunglasses, fluorescent front corners, so that the mirror's reflective of the gentle rolling observed specular reflection of the fluorescent film if there wavy, if then, that lens is not flat, it will hurt the eye. Fourth, the lens should be smooth, through a higher degree of clarity, sunglasses glass and resin materials in general have two materials, their advantages and disadvantages. However, it is best to use polarized sunglasses lenses. Fifth, choose the color of sunglasses, sunglasses, a beautiful but also choose to consider important factors, mainly on account of the choice of color with their skin color, face shape, wear, occasion with. Sixth, choose the lens color shades, the easiest way is to look in the mirror wearing sunglasses, to basically see their pupil appropriate. 7, to select the UV protection of sunglasses, do not forget any time, the main purpose of wearing sunglasses to prevent UV damage to the eyes.