Manufacturing Companies for Buy Prescription Glasses - CR39 Sunglasses lenses – Boris

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We take customer-friendly, quality-oriented, integrative, innovative as objectives. Truth and honesty is our administration ideal for Photochromic Glasses For Men, Single Vision Distance Glasses, Super Thin Lens, For even more data, please do not be reluctant to call us. All inquiries from you may be highly appreciated.

Manufacturing Companies for Buy Prescription Glasses - CR39 Sunglasses lenses – Boris Detail:

Production Details

Place of Origin:	Jiangsu	Brand Name:	BORIS
Model Number:	High Index Lens	Lenses Material:	resin
Vision Effect:	Single Vision	Coating Film:	UC/HC/HMC
Lenses Color:	colorful	Coating Color:	Green/Blue
Index:	1.49	Specific Gravity:	1.32
Certification:	CE/ISO9001	Abbe Value:	58
Diameter:	80/75/73/70mm	Design:	Asperical

Usually, sunglasses have the following materials:

1. Resin lens Lens material: Resin is a chemical substance with a phenolic structure. Features: light weight, high temperature resistance, strong impact resistance, and can effectively block ultraviolet rays.

2. Nylon lens Lens material: made of nylon, features: very high elasticity, excellent optical quality, strong impact resistance, usually used as protective items.

3. Carbonated polyester lens (PC lens) lens material: strong, not easy to break, impact resistant, specially designated lens material for sports glasses, the price is higher than that of acrylic lenses.

4. Acrylic lens (AC lens) lens material: It has excellent toughness, light weight, high perspective and good anti-fog.

Production Introduction

Ophthalmologists recommend that you must always wear sunglasses to protect your eyes; this is because our eyeball (lens) is very easy to absorb ultraviolet rays, and the damage of ultraviolet rays has two prominent characteristics:

1.The damage of ultraviolet rays will accumulate. Since ultraviolet light is invisible light, it is difficult for people to perceive it intuitively.

2.The damage of ultraviolet rays to the eyes is irreversible, that is, irreparable. Such as: cataract surgery can only be replaced by intraocular lenses. Long-term damage to the eye can easily lead to damage to the cornea and retina, clouding of the lens until cataract occurs, resulting in permanent visual damage.

Since the damage of ultraviolet rays to the eyes is invisible, it cannot be felt immediately. If you don’t wear glasses, you don’t feel particularly uncomfortable. It just means that your eyes are not very sensitive to visible light (such as dazzling glare, glare, and reflected light). , and cannot avoid UV damage.

Does the darker the sunglasses, the better the UV blocking effect?

No, the function of the lens to block ultraviolet rays is that it is treated by a special process (adding UV powder) during the manufacturing process, so that the lens can absorb harmful light below 400NM such as ultraviolet rays when the light penetrates. It has nothing to do with the depth of the film.

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Reliable quality and good credit standing are our principles, which will help us at a top-ranking position. Adhering to the tenet of quality first, customer supreme for Manufacturing Companies for Buy Prescription Glasses - CR39 Sunglasses lenses – Boris , The product will supply to all over the world, such as: Guinea, Australia, California, Should any of these items be of interest to you, please let us know. We'll be satisfied to give you a quotation upon receipt of one's detailed specifications. We have our personal experienced R&D enginners to meet any of one's requriements, We appear forward to receiving your enquires soon'and hope to have the opportunity to work together with you in the future. Welcome to check out our company.

Bifocal Progressive Lenses