vision_knowledge

When deciding whether to buy polarized or non-polarized sunglasses, it's important to consider the pros and cons of each option. Polarized lenses offer improved visibility and protection in bright conditions, but they can interfere with screens and distort colors. If you only had one pair of sunglasses, it would ultimately depend on where and...

1. The Refractive Index of the Lens. 2. The Material and Thickness of the Lens. 3. The Abbe number and the Curvature of the Lens. 4. Light transmittance and Color of the Lens. 5. Special Functions of the Lens

1.Pay attention to tightening the screw If the screw is loose, please take it to the optical shop in time or use professional tools to tighten the screw. Otherwise, it is easy to cause the frame to fall off and scratch or break the glasses. 2.Pay attention to beauty products  Sweat, grease and cosmetics...

1、Different face shape fit different frames. 2、Picking the perfect frames with your nose, eyes, eyebrows and color. 3、Different frames fit different occasions. 4、Different frames have different functions. 5、Make sure your frames wear comfortable. 6、Choose the glasses you like.

Do not forget to ask for your PD number from the eye doctor when you have a vision test. Must pick your frame according to your PD number Try to pick the TR90 materials for glasses, if this glass is for all-day use. Buy affordable lenses but expensive ones. Buy with the store provides...