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1.61 anti blue light lens UV420 anti reflective glasses lenses blue cut

1.61 anti blue light lens UV420 anti reflective glasses lenses blue cut

Category: Eyeglasses Lenses >>>
Supplier: Danyang,Tecra,Optical,Instruments,Co.,Ltd.

Price:$2.00

Price in USD:Details

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Product Overview

Description

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Product Details
Item	1.61 anti blue light lens UV420 anti reflective glasses lenses blue cut
Coating	SHMC AR Coating
Coating Color	Green
Power Range	SPH: 0.00~-10.00 CYL:0.00~-2.00
Diameter	75mm
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What is blue light?

Blue light is also known as High Energy Visible light because it is very high on the visible light spectrum. The sun naturally emits blue light, and similarly to UV light, a small amount of it is good for our health while too much of it can be harmful.

Damages of blue light

Blue light is not visible from people’s eyes that it will be ignored and damage eyes for a
long time. Studies have shown that when blue light rays reach a wavelength between 415 nm-455 nm, they can hit the retina and have a detrimental effect on vision, that may lead to premature eye ageing.

Functions of blue light filter lens

Blue light filter lenses can block harmful high-energy blue light, coming from digital devices like smartphones and computers, from entering the eyes. These help to sharpen the vision and can also prevent eye strain from prolonged screen viewing.

Who needs blue light filter lenses?

Basically, if you have to stare at the screen all day and keep using smartphones, anti blue light lenses will be your best option to help you sleep and protect your eyes. And for the eye strain problem, blue light glasses might be your option to solve eye strain.

What is HMC coating (AR coating)?

HMC is hard multi coating, also called AR coating (AR is anti-reflective). It is a very thin but hard film (or treatment) which is applied over the lenses.
AR coating can eliminate bright reflections of light and decrease the light halos which can hamper the clarity of vision, it can ensure a durable and lasting eyewear experience.

What are the benefits of AR coating?

Better Clarity
Long Shelf Life of Lenses
Protection Against UV Rays
Reduced Reflections/Glare
Less Strain On The Eyes
Stylish & Appealing Look

What is SHMC?

SHMC is super-hydrophobic multi coating, or called super AR coating.
SHMC coating has all benefits of AR coating, in addition, SHMC makes the lens surface more smooth, waterproof, and easier to clean.

Company Information

Danyang Tecra Optical Instruments Co., Ltd, founded in 2000, is a professional manufacturer of optical lens for around 20 years in China. Our company covers an area of 7000 square meters and now there are more than 100 employees.

Our workshops are equipped with various advanced machines and many experienced workers to continuously improve every process of production. We have two production lines and daily output is about 10000 pairs. The annual output can reach 3 million pairs.

Tecra is able to provide various optical lens to meet your needs, including index 1.499, 1.56, 1.61, 1.67, 1.74 and single vision lens, blue block lens, PC lens, progressive lens, photochromic lens, bifocal lens, and so on. We can arrange everything for you from order to delivery.

Manufacturing Technique