Optical Biometry Lens Constants — Alcon

SN60WF Aspheric IOL

Holladay 1 1.83
Hoffer Q 5.64
SRK/T 119.05
Haigis* a0 = -0.605     a1 = 0.212     a2 = 0.212

*Note: the a0 Haigis constant is a negative number.