Prediction accuracy of intraocular lens power calculation methods after laser refractive surgery

BMC Ophthalmology

Table 1 Results of 10 post-LASIK eyes

Method	ME	SD	Range	MAE	MedAE	95% CI	± 0.5 D	± 1.0 D	± 1.5 D
IOL-Master
Haigis-L	0.01	0.721^a	– 1.15–1.23	0.604	0.465	0.361–0.847	6	8	10
Koch–Maloney (Haigis formula)	– 0.15	0.695	– 1.00–1.19	0.557	0.510	0.312–0.842	5	9	10
Shammas c.d. (Haigis formula)	0.09	0.695	– 0.80–1.41	0.557	0.470	0.283–0.831	6	9	10
Shammas c.d. (Shammas-PL formula)	– 0.02	0.698^a	– 1.19–0.99	0.558	0.519	0.334–0.822	5	9	10
AL-3000 assisted with TMS-4
Haigis-L	0.45	0.782	– 0.94–1.37	0.774	0.876	0.480–1.067	4	7	10
Koch–Maloney (Haigis formula)	0.25	0.741	– 0.88–1.24	0.627	0.781	0.324–0.931	4	8	10
Shammas c.d. (Haigis formula)	0.49	0.743	– 0.67–1.47	0.734	0.708	0.396–1.072	3	6	10
Shammas c.d. (Shammas-PL formula)	0.03	0.778	– 1.36–1.13	0.653	0.583	0.392–0.914	4	8	10

ME mean error, SD standard deviation, MAE mean absolute error, MedAE median absolute error, 95% CI, 95% confidence interval of mean absolute error; ±0.5 D, ±1.0 D, and ±1.5 D = number of refractions within 0.5 D, 1.0 D, and 1.5 D of prediction
^aWorse than Haigis with measurements using IOL-Master in all 133 virgin eyes (P < 0.05)

ISSN: 1471-2415