Advantages and disadvantages of photochromic lens

Advantages of photochromic lens:
Automatic adjustment of light: photochromic lens can automatically adjust the depth of color according to changes in ambient light, reducing discomfort caused by changes in light and helping to prevent the occurrence and development of myopia.
UV protection: These lenses can effectively block UVA and UVB rays, protecting the eyes from UV damage.
Improving visual clarity: photochromic lens can reduce glare and enhance visual clarity, especially in strong light environments.
Fashionable and beautiful: The color changing lens is transparent or light colored indoors, and becomes dark colored outdoors. It not only has the function of correcting vision, but also has the characteristics of fashion and beauty, and is loved by many people.
Convenience: No need to frequently change glasses, suitable for various environments, very convenient to use.
Disadvantages of photochromic lens:
Limited lifespan: This type of lens has a relatively short lifespan.
Cloudy discoloration: In cloudy or dimly lit environments, lenses may also discolor, which may affect the visual experience.
Slow fading: The color change speed of the lens is slow, and it may not be able to immediately adapt to the rapid changes in light.
Limited color change: The light transmittance is generally above 30%, which may not be suitable in strong light environments.
Unstable quality: If you purchase products of poor quality, they may not be able to better protect your eyes and may even cause harm to your eyes.