RT Book, Section A1 Chandrasoma, Parakrama A1 Taylor, Clive R. SR Print(0) ID 188025 T1 Chapter 33. The Eye T2 Concise Pathology, 3e YR 1998 FD 1998 PB The McGraw-Hill Companies PP New York, NY SN 9780838514993 LK accessphysiotherapy.mhmedical.com/content.aspx?aid=188025 RD 2024/03/28 AB The eyes are complex vision receptors situated in a pair of bony cavities in the skull—the orbits—which open anteriorly to the exterior and posteriorly for the entry and exit of nerves and blood vessels. The main nerve—the optic nerve—carries visual impulses from the retina to the brain.