Region of retina that extends from central retina to ora serrata. Peripheral retina is dominated by rods and also has less ganglion cells and is not as thick as central retina. It is responsible for peripheral and night vision. [ https://github.com/obophenotype/uberon/issues/216 XAO:0004458 https://webvision.med.utah.edu/book/part-i-foundations/simple-anatomy-of-the-retina/ https://github.com/obophenotype/uberon/issues/1542 ]