In 3-D movies , glasses help the eye distinguish two objects , creating the illusion of motion . Symptoms of nausea , headache and fatigue may result when eyes move unnaturally . Nintendo also announced plans for a 3-D gaming console , the 3DS . People with certain eye conditions can not see in 3-D .
In 3-D movies , glasses help the eye distinguish two objects , creating the illusion of motion . Symptoms of nausea , headache and fatigue may result when eyes move unnaturally . People with certain eye conditions can not see in 3-D .