• Pinhole glasses, glasses with holes, grid glasses, multi-point glasses: the set contains 4 pieces of sports glasses. • Suitable for myopia, hyperopia, or astigmatism. • Improve vision and eliminate eye pressure and tension. • Scientifically developed filters to improve blood circulation in the eyes. • Practical for all ages and genders. • Improve hyperopia and relieve dry eyes. • Perfect for sports activities and eye relaxation. • High-quality black glasses, developed for men and women. • Can also be used as a patch to cover other glasses.