Description
Please Confirm Before Purchase , Don’t buy mistakes!!
“+” Means: Magnifying Glasses/Hyperopia/Prebyopia/Farsightedness , for old man look near
“-” Means: Myopia/Short-short/Vision Miuns , for students look far
For example : if you need presbyopia +2.5 , please purchase +250
If you need myopia -1.75 , please buy -175
Warm tips
1.Please correctly understand photochromic glasses, he 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.
hello, the finished reading glasses all PD are make standard PD(62~64)mm
1.If you want to change the pupil distance, Message for the Seller or note at it .
2.If your eyes have two different diopters, Message for the Seller or note at it .
3.Customizecanhave Reading, hyperopia,magnifying,prisbyopia,Farsight (+0.5 To +6.0)
. and have myopia,near sight,short sight,vision minus(-0.5 To -6.0),message or note at it , so not buy mistake , thanks .(Message to Seller or note at order )
Customize: clear lens reading glasses can make with cylinder , the photochromic reading glasses can not make with cylinder , thanks .
No astigmatism: right eye degree(-6.0~+6.0), left eye degree(-6.0~+6.0), Pupil Distance(40~80).
Example 1:
Right (OD): Sphere______,Left (OS): Sphere______,PD: ______mm
Have astigmatism: right eye degree(-6.0~+6.0), right eye astigmatism(-0.5~-2.0), right eye astigmatism axis(0~180), left eye degree(-6.0~+6.0), left eye astigmatism(-0.5~-2.0), left eye astigmatism axis(0~180), Pupil Distance(40~80)
Example 2:
Right (OD): Sphere______ Cyl______ Axis______
Left (OS): Sphere______ Cyl______ Axis______
PD: ______mm
Reading Coutomize Can Leave message for two eyesLeft right same or different degree: 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/+425/+450/+475/+500/+525/+550/+575/+600
Myopiacustomize:
-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/-425/-450/-475/-500/-525/-550/-575/-600
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.
Photochromic lens optical glass containing silver 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 also referred to as light-sensitive lenses”. Glass lenses are adding silver 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.
