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1.59 PC Bifocal Invisible Photochromic Gray HMC Optical lenses
At present, there are two kinds of lens materials on the market, one is glass material, the other is resin material. Resin materials are divided into CR-39 and polycarbonate (PC material).
Bifocal lenses or bifocal lenses are lenses that contain two correction areas at the same time and are mainly used to correct presbyopia. The far area corrected by the bifocal lens is called the far area, and the near area is called the near area and the reading area. Usually, the distal region is large, so it is also called the main film, and the proximal region is small, so it is called the sub-film.
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1.59 PC Progressive Photochromic Gray HMC Optical lenses
The color-changing lens is based on the principle of photochromatic tautometry reversible, the lens can quickly darken under strong light and ultraviolet light, block strong light and absorb ultraviolet light; After returning to the dark, the lens quickly restores the colorless and transparent state to ensure the transmittance of the lens. Therefore, the color changing lens is very suitable for both indoor and outdoor use, especially in the outdoor environment to prevent strong light, ultraviolet, glare and other damage to the eyes, suitable for outdoor more, eyes sensitive to light stimulation, reduce eye fatigue. After wearing color-changing glasses, you will see more naturally and comfortably under strong light, avoid compensatory movements such as squinting, and reduce the fatigue of eyes and muscles around eyes.
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1.56 Progressive Photochromic Gray HMC Optical lenses
Optical color-changing lenses belong to daily glasses, indoor office, outdoor sports, can be worn. Especially go out on vacation, extreme workers in the beach, snow or tropical, photography, tourism, fishing enthusiasts, middle-aged and elderly people or eye photophobia, need to wear sunglasses myopia, indoor outdoor activities frequently alternate teenagers, the pursuit of fashion young groups.
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1.56 Bifocal Round Top Photochromic Gray HMC Optical lenses
The bifocal glasses are mainly suitable for the elderly to use, and can achieve near and far vision. When people get old, their eyesight will decline and their eyes will become senile. And bifocal glasses can help the elderly to see far and see near.
The dual lens is also called bifocal lens, which mainly includes flat top lens, round top lens and invisible lens.
The lenses of bifocal glasses are required to include hyperopia diopter, myopia diopter or downlight. Distant pupillary distance, near pupillary distance.
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1.56 Bifocal Flat Top Photochromic Gray HMC Optical lenses
With the demands of modern life, the role of color-changing glasses is not only to protect the eyes, it is also a work of art. A pair of high-quality color-changing glasses, with appropriate clothing, can foil a person’s extraordinary temperament. Color-changing glasses can change according to the intensity of ultraviolet light and make its color change, the original transparent colorless lens, encounter strong light irradiation, will become colored lenses, to do protection, so suitable for indoor and outdoor use at the same time.
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1.59 Photochromic Gray HMC Optical lenses
PC, chemically known as polycarbonate, is an environmentally friendly engineering plastic. PC material features: light weight, high impact strength, high hardness, high refraction index, good mechanical properties, good thermoplasticity, good electrical insulation performance, no pollution to the environment and other advantages. PC is widely used in Cdvcddvd disc, auto parts, lighting fixtures and equipment, glass Windows in the transportation industry, electronic appliances, medical care, optical communication, eyeglass lens manufacturing and many other industries.
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1.74 Spin Photochromic Gray HMC Optical lenses
The advantage of the color-changing lens is that in the outdoor sunlight environment, the lens is gradually turned from colorless to gray, and after returning to the room from the ultraviolet environment and gradually return to colorless, it solves the trouble of wearing sunglasses for myopia, and achieves a pair of indoor and outdoor.
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1.71 Spin Photochromic Gray HMC Optical lenses
Intelligent color changing lens changes with the intensity of ultraviolet light, automatically adjust the color depth, one mirror is multi-purpose, no switching trouble, indoor and outdoor more convenient, more eye protection.
Intelligent color change factor shows shear structure distribution, when exposed to ultraviolet irradiation, the molecule automatically closes to block the light entry, using its good photoresponsiveness and coloring, rapid response to light changes, more efficient.
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1.67 Spin Photochromic Gray HMC Optical lenses
Color-changing lenses, also known as “photosensitive lenses”. According to the principle of photochromatic tautometry reversible reaction, the lens can darken rapidly under light and ultraviolet irradiation, block strong light and absorb ultraviolet light, and show neutral absorption of visible light. Back to the dark, can quickly restore colorless transparent state, ensure the lens transmittance. Therefore, color-changing lenses are suitable for indoor and outdoor use at the same time to prevent the damage of sunlight, ultraviolet light and glare to the eyes.
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1.61 Spin Photochromic Gray HMC Optical lenses
Spin coating change Lens : Spin coating change Lens change adopts spin change technology, which completely subverts the previous basic change technology. Compared with base transformation, it is uniform and has no background color; Compared with the traditional film changing method, it is superior to the soaking method. The color changing liquid and the hardening liquid are placed in different processes, which not only ensures the adhesion of the color changing liquid, fully maintains its color changing tension, but also exerts the hardening fixation effect and strengthens the hardness. With double-layer spin coating technology and hardening protection, the process quality is greatly improved. Advantages: rapid and uniform color change. It is not limited by the material, and any ordinary aspheric surface, 1.56, 1.61, 1.67, 1.74, etc. can be processed into a film-changing lens. There are more varieties, and consumers have more choices.
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1.56 Photo Colorful HMC Optical lenses
Photochromic lenses, also known as “photosensitive lenses”. According to the principle of light-color interconversion reversible reaction, the lens can quickly darken under the irradiation of light and ultraviolet rays, block strong light and absorb ultraviolet rays, and absorb visible light neutrally; when it returns to the dark place, it can quickly restore the colorless and transparent state, ensuring the lens of transmittance. Therefore, photochromic lenses are suitable for both indoor and outdoor use to prevent damage to the eyes from sunlight, ultraviolet light and glare.
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1.56 FSV Photo Gray HMC Optical lenses
Photochromic lenses not only correct vision, but also resist most of the damage to the eyes from UV rays. Many eye diseases, such as age-related macular degeneration, pterygium, senile cataract and other eye diseases are directly related to ultraviolet radiation, so photochromic lenses can protect the eyes to a certain extent.
Photochromic lenses can adjust the light transmittance through the discoloration of the lens, so that the human eye can adapt to the change of the ambient light, reduce visual fatigue and protect the eyes.
