Is the thinner the lens of cheap eyeglasses near me, the better, and the more expensive the material, the better? The answer is no. Generally speaking, the thinner the lens, the better the transmittance. But it doesn't mean that the higher the transmittance, the better.

Moreover, if myopia is below 300 degrees, the lenses themselves are not thick, and there is no need to spend a lot of money on a pair of ultra-thin lenses or cheap eyeglasses near me. Lenses can be divided into three categories based on the material of cheap eyeglasses near me: glass, resin, and space lenses, each with its own characteristics.

Glass sheets have superior optical properties, are not easily scratched, and have a high refractive index. The higher the refractive index, the thinner the lens. Therefore, for individuals with high myopia of over 1000 degrees, it is recommended to wear glass lenses. But glass sheets are fragile and made of heavy materials, and fewer and fewer people choose glass sheets.

Resin lenses are light, not fragile, and have good UV protection. Most people are more willing to choose. The quality depends on various factors: the higher the refractive index, the thinner the lens, and the relatively high price; The resin sheet has low hardness and is easy to scratch, but after adding hard anti-flower treatment, the hardness of the resin sheet can be increased; Adding film can reduce lens reflection, increase lens transmittance, and improve clarity; UV protection coefficient; Aspheric design refers to lenses with relatively flat lenses, which can achieve clear and comfortable visual effects.

Space lenses, also known as PC lenses, are more impact-resistant, thinner and lighter than resin lenses, and can resist ultraviolet radiation below 380 nanometers. It is generally recommended for those who enjoy sports or outdoor activities.