Panjiayuan eyeglasses city 800 degrees 74?

600 yuan. Panjiayuan Glasses City is located in the north of Panjiayuan Bridge on the East Third Ring Road in Chaoyang District 1000 meters, which is one of the largest glasses wholesale markets in northern China. 74 at 800 degrees refers to the refractive index of glasses at 800 degrees and lenses at 1.74. The price is in 600 yuan, which is the standard price of Glasses City. 800 degree myopia is high myopia. The higher the degree of myopia, the thicker the lens, and the thicker the lens means more expensive.