Common eyeglasses lenses can be classified into glass lens, resin lens, special lens and space lens, and the 1.50, 1.56, 1.60, 1.67 and 1.74 labeled on lenses are their refractive indexes. What's index lens? The refractive index of the lens...
It may cost you a lot of time and money before coming across with an ideal prescription glasses or sunglasses, but this guidance(7 Useful Tips To Help You Choose the Right Eyeglass Frames) can help to find a suitable pair...
When purchasing a pair of prescription eyeglasses online, it can be very difficult to find an ideal glasses frame. Although eyeglasses Try-On APP can help to easily find a glasses frame suitable for your face shape, an ideal glasses frame...
While choosing a right glasses for your face shape, you still need to choose spectacle lenses and coating. First, you need to understand the prescription for your glasses and the type of prescription glasses, and then choose the coating for...
After getting an eye exam, don't worry if you have trouble in understanding your prescription. Please read this article: How to Read Your Eyeglass Prescription. You need to buy frames and lenses with a prescription. There are several types of...
Quite a few persons who wear glasses are very astonished: Why do I have a feeling of nausea, dizziness and headache when I wear my newly-purchased prescription glasses? As the glasses have problems, if they are not corrected in time,...
You may not understand how to read a prescription for spectacles if you are wearing glasses for the first time, let along knowing what does it means. Therefore, we have composed this guidance to help you learn about your prescription...
Electronic products increasingly rich, eye problems are becoming more and more prominent, many people may have eye pain, dry eyes, bloodshot eyes, blurred vision and ghosting. Not only teenagers and adults, but also many children suffer from blurred vision. So...
What is the pupillary distance (PD)? Pupillary Distance known as PD, the pupillary distance refers to the distance between the pupil centers in two eyes and it is expressed in millimeter (mm). The measurement is used for locating spectacle lens...
