A 67 year old female finally decides that to get glasses, about thiy years after she actually needed them, and goes to an optometrist for an eyeglass prescription. Her eye examination turns up some unexpected findings. Her pupils are very small. When a pen light is shown into her eyes, none of the pupil contracts. However, when the optometrist brings his fingers towards her face, both pupils constrict dramatically. What is the papillary response called?