Contact lens e.g. hard lens, for correcting defective vision, has through holes, central area and outer area, where central area is larger than pupil of eye, and through holes are provided in outer area and designed as curved passage slots

摘要

The lens (1) has through holes (3), a central area (5) and an outer area, where the central area is larger than the pupil of an eye. The through holes are provided in the outer area. Each through hole has a diameter that is larger than or equal to 1 millimeter and smaller than or equal to 2 millimeters. Each through hole is designed as a passage slot that is curved. A lattice structure and multiple openings of different shapes are provided in the lens.