A computer model was constructed to simulate the effect that radial optic neurotomy (RON) may have on central retinal vein biomechanics. Finite element analysis was used to determine the effect of RON on the size of central lumen. A model was constructed of the optic nerve, lamina cribosa and sclera and the material properties of the optic nerve tissue, intraocular pressure, and arterial pressure where varied. Comparison of the change in the diameter of the central lumen with and without RON showed that RON procedure did not result in a significant increase in diameter