Table 11. Overview of contemporary formulas input parameters.

	Hill-RBF	HofferQ	Holladay 1	Holladay 2	SRK/T	Haigis	Olsen
K	x	x	x	x	x	x	x
AL	x	x	x	x	x	x	x
ACD	x			x		x	x
LT				x			x
WTW	x			x			x
Age				x
Rx-pre				x

Note:

K, mean keratometry; AL, axial length; ACD, anterior chamber depth; LT, lens thickness; WTW, white to white; Age, patients age; Rx-pre, preoperative refraction.