Nearsight-proof eye cover

The utility model discloses a myopia-proof eye guard, which is composed of a concave eye guard, a flexible cushion ring which is arranged at the edge of the eye guard, and an elastic band which is used to connect both sides of the eye guard. The eye guard and the cushion ring are light proof. On the eye guard, the right ahead positions of the boresight when looking far of the left eye and the right eye are respectively provided with a small hole which is covered by the semilucent material, which causes the penetrated small light spot, but not the image can be seen in the dark box of the eye guard. The spacing between the two small holes can be adjusted to adapt to different eye distanced. According to the fusion theory of both eyes, when the eyes respectively looks at the small light spot of the front side of each eye, the eyes lie in the looking far state naturally. Simultaneously, the boresight is dispersed, the ciliary muscle and the optic nerve are adjusted to loosen, and the eyesight is returned to normal.