Loss of vision or, in the case of an unconscious patient, a relative afferent pupillary deficit representing TON may be the only evidence of ocular pathology. The clinician must reconcile a ...
Lack of an afferent pupillary defect Various maculopathies, bilateral optic neuropathy (including bilateral DON), Susac syndrome, media opacities (e.g., posterior subcapsular cataract, corneal ...