Pupilby BGOctober 29, 2019Location: Anterior eye, surrounded by the iris. Function: Allows for light to enter thorough the eye and to be refracted by the lens onto the retina. Structure: Opening/hole within the iris. Related « Back to Glossary Index Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.