1. An apparatus for objectively measuring the visual sensitivity of a superior retina and the visual sensitivity of an inferior retina in an eye, comprising at least one computing device operationally connected to at least one stimulus presentation device, at least one pupil display device, at least one input device, at least one operator display device, at least one pupillometer, operational software, and data analysis software, wherein said at least one stimulus presentation device presents at least one stimulus test with respect to which said at least one computing device computes a pupillary response curve.