When choosing eyeglass lenses, consumers often hesitate between high-definition lenses and anti-blue lenses. These two lenses have their own advantages and are suitable for different use scenarios ...
Daily cleaning
Remove dust: In daily use, the surface of sunglasses is easily contaminated with dust. You can use a clean and soft glasses cloth or a special microfiber cloth to gently wipe off the...
When discussing the topic of “what color sunglasses lens eyes are most comfortable”, we must first understand the diversity and functional differences of sunglasses lens color, and how ...
Choosing the optical lens material suitable for the elderly requires comprehensive consideration of the elderly’s eye needs, physical conditions and living habits. The following is a specific...
Optometric data
Accurate degree: Go to a professional eye institution or optician for optometry to obtain accurate myopia, farsightedness, astigmatism degree and axial position data. This is the ba...
Effect of refractive index on visual acuity in the aged
Lens thickness
For the elderly with high myopia or farsightedness, it is more appropriate to choose a lens with a high refractive index. The ...