Night vision opening and closing light leakage prevention eyeshade

The utility model provides a night vision opening and closing light leakage prevention eyeshade which comprises a body and is characterized in that the body is made of rubber materials so that the body can have large elasticity and deformation performance, the left end of the body is connected to an eyepiece and provided with a contraction part, and the middle section of the body is provided with a folding part. A lower opening and closing part is arranged at the lower end of the inner side of the right portion of the body, an upper opening and closing part is arranged at the upper end of the inner side of the right portion of the body, the lower opening and closing part and the upper opening and closing part are designed to be of a symmetrical structure, and when the body is in a natural state, the upper end of the lower opening and closing part and the lower end of the upper opening and closing part make contact with each other to achieve closing. When the eyeshade body is extruded, due to elastic deformati