
Category  Parameters  Symbol  Homogeneous lens model  Core lens model 

Refractive indices*  Air  n1  1.000  1.000 
Cornea  n2  1.380  1.380 
Aqueous and vitreous humors  n3, n7  1.337  1.337 
Lens cortex  n4, n6  NA  1.390 
Lens core  n5  1.683  1.500 

Axial positions (m)  Anterior cornea surface  A1  Measured from MRI  Measured from MRI 
Posterior cornea surface  A2  Scaled^{†}  Scaled^{†} 
Anterior lens surface  A3  Measured from MRI  Measured from MRI 
Anterior core lens surface  A4  NA  Scaled^{†} 
Posterior core lens surface  A5  NA  Scaled^{†} 
Posterior lens surface  A6  Measured from MRI  Measured from MRI 
Retina  A7  Measured from MRI + 130 μm  Measured from MRI + 130 μm 

Radii of curvature (m)  Anterior cornea surface  rC1  Measured from MRI  Measured from MRI 
Posterior cornea surface  rC2  Scaled^{†}  Scaled^{†} 
Anterior lens surface  rL1  Measured from MRI  Measured from MRI 
Anterior core lens surface  rLC1  NA  (A5 − A4)/2 
Posterior core lens surface  rLC2  NA  (A5 − A4)/2 
Posterior lens surface  rL2  Measured from MRI  Measured from MRI 

Dioptric powers (D)  Cornea  FC  Equation (1)  Equation (1) 
Lens  FL  Reduced equation (2) (FL_{hmgns})  Equation (2) (FL_{core}) 
Whole eye  FE  Equation (3) (FE_{hmgns})  Equation (3) (FE_{core}) 
Refractive state   Equation (4) (_{hmgns})  Equation (4) (_{core}) 
