Description:Nowadays, it is generally believed that eyelet glasses can really improve the vision of patients with ametropia, and even ophthalmologists use eyelet equipment to check whether the eyes have ametropia. Regular use of small-hole glasses instead of prescription glasses (TV, computer, reading) can improve vision, naturally and without drugs. Uses: Sunglasses, decorations, with certain myopia prevention function. Product features:1. Pinhole design can prevent myopia to some extent. It can correct low myopia (the principle is the same as pinhole imaging)2. Filter some light, which has the effect of sunglasses.3. Personal decorationsWear it for 15 minutes every day, and you can improve your eyesight within a few weeks.5. Activate your natural eyesight to make you see more clearly.6. Promote eyesight habits Product parameter:Material: PC PCSize:A: 146 mm in width, 49 mm in frame height and 16 mm in bridge spacing.B: 142 mm in width, 41 mm in frame height and 15 mm in bridge spacing. (Please note that the measured value is slightly deviated due to manual measurement. ) Packing list:2 pairs of glasses On Jan 12, 2024 at 04:12:44 PST, seller added the following information: