Using a Smartphone staring eyes wrong posture could be harmful to the eyes. The bed's bow or valleys are considered improper posture will give eye muscles work harder may make short eyes and blind risk.
The use of eye gaze smart phone the wrong posture. Harmful to the eyes, bent or lie supine posture is considered inappropriate. To make the muscles work harder. May cause short-sighted Blind and vulnerable
The use of a wrong way, gaze smartphone is harmful to the eyes, the lie, bow or turn over is considered improper posture. To make the muscle work may cause myopia and risk of blindness.