PupilScreen with 3-D Printed Box (image) University of Washington Share Print E-Mail Caption The UW researchers initially tested PupilScreen with a 3-D printed box that controls the eye's exposure to light. They are now training their deep learning algorithms to produce similar results with the smartphone camera alone. Credit Dennis Wise/University of Washington Usage Restrictions With credit Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.