Name: Eyeglass Lenses Blue Light Blocking 1.56 NK55 Photochromic Photo Grey Photo Brown Optical Lens
Brand: Crystal Optical Co.,Ltd.
Price: 20 USD
Rating: 4.4 (5 reviews)

Eyeglass Lenses Blue Light Blocking 1.56 NK55 Photochromic Photo Grey Photo Brown Optical Lens

‌1.56 Anti-blue photochromic lens refers to a lens with a refractive index of 1.56, which has the function of anti-blue light and photochromic. This kind of lens not only has anti-blue properties, can effectively reduce the blue light emitted by electronic products on the eye irritation, but also has the color change function, can darken under light and ultraviolet irradiation, protect the eyes from strong light and ultraviolet damage.

Features of Eyeglass Lenses Blue Light Blocking 1.56 NK55 Photochromic Photo Grey Photo Brown Optical Lens

Anti-blue light function: The main role of anti-blue light lens is to filter the harmful blue light in daily life, which is beneficial for people in the light pollution environment for a long time.

Photochromic function: The chemicals in the discoloration lens will change the molecular structure when exposed to ultraviolet light, making the lens from colorless to colored, which plays a role in blocking strong light and helps to alleviate eye fatigue.

Lens thickness: For people with myopia within 500 degrees, 1.56 refractive index lenses are a suitable choice. If the degree is higher, a lens with a higher refractive index may need to be considered.

Specification of Eyeglass Lenses Blue Light Blocking 1.56 NK55 Photochromic Photo Grey Photo Brown Optical Lens

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Index	1.523
Material	photochromic
Diameter	65/70mm
Power Range	SPH: -8.00~ +6.00
Power Range	CYL: 0~ -4.00
Abbe Value	37.8
Coating	HMC/SHMC
Coating Color	green /blue
Photo Color	Grey/Brown

Advantages of Eyeglass Lenses Blue Light Blocking 1.56 NK55 Photochromic Photo Grey Photo Brown Optical Lens

Suitable for people who need to use electronic devices for a long time, such as office workers, students, etc. They are able to provide protection from bright light while maintaining a clear visual effect indoors. It is also suitable for use in environments that frequently switch between indoor and outdoor, such as driving, outdoor activities or daily wear.