Picture your normal workout routine: Does weightlifting put a strain on your muscles? Are you sore the next day? According to researchers at the Manhattan Eye, Ear and Throat Hospital, lifting weights may also be putting severe pressure on your eyes.
This group of researchers found that intraocular pressure greatly rises during a strenuous physical activity like weightlifting, particularly for people who hold their breath during the lift. This additional pressure is likely the result of increased pressure in the chest while the person holds his breath… (American Health Advantage)