Accuracy of Intraocular Lens Power Calculation Formulas for Highly Myopic Eyes

Table 4

Percentile rank of the numerical predicted error.

Formula	All				Plus-power IOL				Minus-power IOL
	25%	50%	75%	IQR	25%	50%	75%	IQR	25%	50%	75%	IQR
SRK/T	−0.28	0.10	0.39	0.67	−0.26	0.10	0.36	0.62	−0.87	0.70	0.72	1.59
Haigis	−0.18	0.18	0.45	0.62	−0.16	0.18	0.43	0.59	−0.61	0.22	0.74	1.35
Holladay	0.10	0.47	0.79	0.69	0.11	0.49	0.78	0.67	−1.02	0.15	0.94	1.96
Hoffer Q	0.02	0.35	0.81	0.83	0.00	0.39	0.78	0.78	−1.03	0.23	1.11	2.13
Barrett Universal II	−0.18	0.04	0.28	0.46	−0.17	0.04	0.27	0.44	−0.36	0.17	0.66	1.02