Photochromic Series

Photochromic Gray lenses are a type of lens with special optical properties that can appear transparent or nearly transparent indoors or in low light environments, and automatically darken in strong light environments, providing shade and eye protection.
This type of lens usually uses photochromic materials that can instantly turn gray in sunlight, block ultraviolet rays, and protect the eyes from harm.

Photochromic lens are lens that change color when exposed to specific wavelengths of light (usually ultraviolet). When no longer illuminated by a light source, the lens returns to its original transmittance and becomes clear. This type of lens can be made of glass or plastic, and the color changing effect is achieved by adding silver chloride or other halides inside the lens.

Photochromic lenses are suitable for various environments, especially in environments with strong sunlight. For example, when exposed to ultraviolet and short wave visible light under sunlight, the lens will darken and reduce light transmittance; In indoor or dark environments, the light transmittance of the lens will increase, restoring its transparent state. This automatic adjustment feature can reduce visual fatigue and protect the eyes from the harm of sunlight, ultraviolet rays, and glare.

Color changing myopia lenses are a type of lens product that combines myopia correction and color changing functions. It can not only automatically adjust the color of the lens according to the strength of the light, protecting the eyes from harmful light such as ultraviolet rays, but also provide clear vision correction for patients.