SPECIFICATIONS

Applicable Scenarios: Outdoor

Brand Name: KJDCHD

Coating: HMC

Element type: Outdoor Sports

Eyewear Type: Reading glasses

Frame Material: Alloy

Gender: Men

High-concerned chemical: None

Item Type: EYEWEAR

Lens Height: 3.2

Lens Width: 5.5

Lenses Color: Clear

Lenses Material: Polycarbonate

Lenses Optical Attribute: Photochromic

Model Number: JJBS 02

Origin: Mainland China

PD: 62-66mm

Product Type: Multifunctional reading mirror

Style type: Rectangle

Note: Please read the following carefully

1. This is finish progressive reading glasses

+100 means:see far is 0 degree,see near is +100 degree

+125 means:see far is 0 degree,see near is +125 degree

+150 means:see far is 0 degree,see near is +150 degree

+175 means:see far is 0 degree,see near is +175 degree

+200 means:see far is 0 degree,see near is +200 degree

+225 means:see far is 0 degree,see near is +225 degree

+250 means:see far is 0 degree,see near is +250 degree

+275 means:see far is 0 degree,see near is +275 degree

+300 means:see far is 0 degree,see near is +300 degree

+325 means:see far is 0 degree,see near is +325 degree

+350 means:see far is 0 degree,see near is +350 degree

2. the glasses date is same on both side

3. there is no astigmatism in glasses date

4. the pupil distance is suitable for most of the elderly

5. in the observation on both sides of objects, if the sight to see objects from two lenses, you might find that clarity, reduced. It's normal, don't worry, you just have to rotate your head a little bit and try to look at the center of the lens and you'll feel very clear.

6. note that the initial use of progressive lenses requires head movement, but you will soon be able to adjust to it.

7. If you need to customize, please contact us and provide your prescription to us

What are photochromic lenses?

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.

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 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, 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.