Lunettes de vue ovales asphériques à lentille unique tendance pour myopie, monture PC, œil de chat, pour femme, 0 -0,5 -0,75 à -6,0

What are photochromic lenses? Photochromic lenses are also referred to as light-sensitive lenses. Glass lenses are adding sier halide, but now is the mainstream of photochromic resin lenses, adding of spiro and other chemicals in the acrylic resin lens, so that the original colorless and transparent lenses, in bright light, will become colored lenses, to do the protection, so is suitable for indoor and outdoor use. Photochromic lens optical glass containing sier halide microcrystals, phototropy reversible reaction according to the principle, in the sunlight and UV irradiation variable dark, completely absorb ultraviolet and visible light absorption of neutral; back to the dark, can restore the colorless transparent. Photochromic lenses are mainly used in open-air fields, snow fields and indoor light sources, so as to prevent sunlight and ultraviolet light from damaging the eyes. Warm tips 1.Please correctly understand photochromic glasses, it color depth does not equal sunglasses 2.Test discoloration, it is recommended to test at noon, noon sun UV strong, discoloration can achieve the best results, more test several times, the effect is better. 3.If you want to change the pupil distance or customized your prescription,you can choose custom prescription,then note your prescription by order message Please confirm before buying: + Mean:Reading Glasses,Suitable for 40-80 Years Old People - Mean: Short-sight/Myopia,Suitable for 18-40 Years Old People Dont buying Wrong. it is very important For Example : If you need Hyperopia +1.5 , Please order +150 or Reading Plus150 If you need Short-sight -1.5, , Please Order Myopia -1.5 Function : Nearsighted Glasses Standard Order:-1.0 to -6.0 , PD 62-64mm Custom Prescription Information Right sph:(-0.5~-6.0) astigmatism:(-0.5~-2.0) axis:(0~180) Left sph:(-0.5~-6.0) astigmatism:(-0.5~-2.0) axis:(0~180) Pupil Distance(40~80) Example : Right (OD): Sphere______ Cyl______ Axis______ Left (OS): Sphere______ Cyl______ Axis______ PD: ______mm Custom Prescription Leave message for two eyes degree Left and right 0/-0.50/-0.75/-1.0/-1.25/-1.5/-1.75/-2.0/-2.25/-2.5/-2.75/-3.0/-3.25/-3.5/-3.75/-4.0/-6.0