The term 'RETINA' is a 6-letter crossword solution for the term 'eye, light sensitive layer of the'. The RETINA is a thin layer of tissue located at the back of the eye that contains photoreceptor cells which are sensitive to light. These cells convert light into electrical signals that are sent to the brain, allowing us to see. The RETINA is essential for vision and is responsible for focusing images on the back of the eye.