Optical Biometry Lens Constants — AMO
AC21D3 DuraLens II
Holladay 1
-0.22
Hoffer Q
3.48
SRK/T
115.45
Haigis*
a0 = -0.755 a1 = 0.400 a2 = 0.100
*Note: the a0 Haigis constant is a negative number.