Table 1: Parameters for refractive state estimation in rat eye.

CategoryParametersSymbolHomogeneous lens modelCore lens model

Refractive indices*Airn11.0001.000
Cornean21.3801.380
Aqueous and vitreous humorsn3, n71.3371.337
Lens cortexn4, n6NA1.390
Lens coren51.6831.500

Axial positions (m)Anterior cornea surfaceA1Measured from MRIMeasured from MRI
Posterior cornea surfaceA2ScaledScaled
Anterior lens surfaceA3Measured from MRIMeasured from MRI
Anterior core lens surfaceA4NAScaled
Posterior core lens surfaceA5NAScaled
Posterior lens surfaceA6Measured from MRIMeasured from MRI
RetinaA7Measured from MRI + 130 μmMeasured from MRI + 130 μm

Radii of curvature (m)Anterior cornea surfacerC1Measured from MRIMeasured from MRI
Posterior cornea surfacerC2ScaledScaled
Anterior lens surfacerL1Measured from MRIMeasured from MRI
Anterior core lens surfacerLC1NA(A5 − A4)/2
Posterior core lens surfacerLC2NA(A5 − A4)/2
Posterior lens surfacerL2Measured from MRIMeasured from MRI

Dioptric powers (D)CorneaFCEquation (1)Equation (1)
LensFLReduced equation (2) (FLhmgns)Equation (2) (FLcore)
Whole eyeFEEquation (3) (FEhmgns)Equation (3) (FEcore)
Refractive state R Equation (4) ( R hmgns)Equation (4) ( R core)

*Refractive indices are adopted from Hughes (1979).
Parameters were obtained by scaling linearly to the values obtained from Hughes’ study.