Preventing UV use umbrellas

<p> Ms. go out in the summer often play with parasols. </ p> <p> Including parasols, generally, is afraid to skin tanning. </ p> They beat up umbrellas can be played on the skin, but more .importantly to prevent eye is played twice the UV. <p> It is extremely important to prevent and delay the occurrence of senile cataract. </ p> But men have rarely out holding umbrellas, afraid that others want to keep the "white face" .. In fact, this is a big misunderstanding, men playing umbrellas is not to be afraid of skin tanning, more important is prevention of UV damage to eyes and should be big in summer and autumn breaks out the parasols. <p> It was said .that men have a pair of sunglasses to protect UV damage to the eyes, and of course this may exist, but if the quality is poor, sunglasses used improperly, which will produce negligible or even hurt. </ p> <! - AFP .Control Code / Caption. left vertical banner --><!-- AFP Control Code End/No.--> <p> Sunglasses can prevent UV direct irradiation with ultraviolet radiation, but indirectly (eg concrete building, tar road, coastal beaches ., sea water) from the side or below the Sun was launched into the eyeball, consciously and unconsciously be UV damage, the time may become a cataract and other eye diseases occur in inducing factors. </ p> <p> In General, good .sunglasses can stop 80% of UV rays (never buy a little bed sunglasses), sunglasses lens quality and color, the highest ultraviolet rays can penetrate 32% (not fake). </ p> <p> In addition, people mistakenly believe that .sunglasses darker the better, on the contrary, too dark sunglasses to wear, due to the light and dark, the gradual enlargement of the pupil, thus reducing eye on UV's own defense capability; at the same time, the dark color of the lenses can .be reflected from the back, side to UV into eyeball, together with the pupil enlarges, enter the eye of the inevitable increase in UV radiation. </ p> Therefore, summer and autumn of UV damage to the eye, to the best umbrellas. .<p align="right"> (Edit: swimming practice Qi) </ p>.