what do big pupils mean
There are actually quite a few causes, some of which are controllable, others that are not. The pupil is an opening that permits light to penetrate your eyes. When you have big pupils this means that your eyes are dilated, allowing more light to enter.You can actually test this theory by standing in front of a mirror in a dark room.here are actually quite a few causes, some of which are controllable, others that are not. The pupil is an opening that permits light to penetrate your eyes. When you have big pupils this means that your eyes are dilated, allowing more light to enter.