Frame width
Too wide: If the frame width is too large, the glasses are easy to slide on the face, especially in some light exercise or facial sweat, this situation will be more obvious. At the same...
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...
Whether wearing glasses can control the degree is a widely concerned problem in the field of ophthalmology. In order to explore this topic in depth, we need to analyze from multiple dimensions, inc...
Sunglass is a kind of eyesight health care articles for preventing the strong stimulation of sunlight from causing harm to human eyes. With the improvement of people’s material and cultural l...
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...
In the discussion of “What is the optical refractive index of an eye lens?” When it comes to this problem, we first need to understand the physical concept of optical refractive index, ...
