When discussing the topic of how to buy glasses frames for children, we first need to make it clear that the choice of glasses frames is not only a consideration of beauty and fashion, but also rel...
1.Wearing glasses can correct your vision
Myopia is caused by the fact that the distant light cannot be focused on the retina, causing distant objects to be unclear. However, by wearing a myopic le...
Silver halide photochromic change technology: the photosensitizer silver halide (or other photosensitizers such as silver barium, copper halide and chromium halide, etc.) is added to the resin lens...
In daily life, many people need to rely on glasses to correct vision problems, but with the arrival of summer, the sun glare, sunglasses have become an essential single product to protect the eyes ...
When discussing the question of whether sunglasses are better polarized or unpolarized, we first need to clarify the core differences between the two and their applicability in different scenarios....
Polarizers are manufactured according to the principle of polarization of light. We know that when the sun shines on the road or water, it directly irritates the eyes, making the eyes feel...
