US Patent 7203973 Swimming goggles

Swimming goggles have a left frame, a right frame, head strap, a nose support connecting the left frame and the right frame. Lenses are slantwise formed in the left frame and right frame. The width between upper edges of inner surface of the lenses and upper edges of the left and the right frames is smaller than the width between lower edges of inner surface of the lenses and lower edges of the left and the right. In use, the lenses fit to the user's face and eyes for maintaining almost horizontal relative to the eyes and close to the eyes, thereby reducing resistance force when a user jumps into water and enlarging visual field of the user.