Glaucoma has been referred to as a thief in the night. So he will take away from you that vision and never return it. However, today with the frontiers of modern medicine opening up, gene and cell therapies, we have made an indentation, that yes, we may be able to reverse certain amount of glaucoma. If it has come to the last stage and there is complete blindness, there is little that you can do. But before that there is so much that you can do to prevent glaucoma.