What is the difference between expensive and cheap children's myopia glasses? Where is the specialty of glasses in Baoji?

1. The thickness is different. No matter where you buy glasses, the more expensive glasses are thinner, and the cheaper glasses are thicker and heavier.

2. The functions are different. The more expensive glasses, the more functions. Generally speaking, every time a function is added, the price of glasses lenses is more expensive. For example, the same 500-degree anti-blue glasses increase the anti-radiation function and the price will increase accordingly.

3. Comfort is different. Expensive glasses often have a certain protective effect on the eyes, and will not easily produce tears or fatigue, with high comfort.