The lens is a lens lens embedded in the frame that is worn in front of the eye to improve vision, protect the eye or make decorative use. The mirror can correct a variety of vision problems, including myopia, hyperopia, astigmatism, presbyopia or strabismus.
The glasses are composed of lenses and frames. There are four types of myopia glasses, distance glasses, reading glasses and astigmatism glasses. There are also special glasses for viewing 3D stereoscopic images or virtual reality images. Glasses Other types of glasses include goggles, sunglasses, swimming goggles, etc., to provide various protection for the eyes. Modern glasses usually have a nose pad in the middle of the lens and a cushion on the left and right arms resting on the ear. People who love beauty or are not used to wearing glasses can choose to correct their vision with contact lenses. Although contact lenses and laser surgery have become more popular in recent years, glasses are still the most common tool for correcting vision.