Optical Biometry Lens Constants — Alcon

MTA-series Anterior Chamber IOLs

(MTA2UO through MTA7UO)

Holladay 1 -0.17
Hoffer Q 3.53
SRK/T 115.54
Haigis* a0 = -0.705     a1 = 0.400     a2 = 0.100

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