Fig. 12.
Hemisected axial rendering of the sensitivity of peripapillary and LC strain to variation in Young's elastic modulus of tissues in 6 deg adduction. Simulation input was 15 mm Hg IOP and 136 mm H2O ICP. (a) Magnified strain distribution assuming identical 3 MPa elastic modulus for all tissues. (b) Magnified strain distribution with measured individual bovine parameters for various tissues. Note that the strain distributions in (a) and (b) localize in qualitatively similar temporal regions, implying that the general phenomenon of temporal peripapillary strain is independent of precise local biomechanical properties. However, in (b) there is a greater strain in the temporal LC.