Correlation and predictability of ocular aberrations and the visual outcome after quadrifocal intraocular lens implantation: a retrospective longitudinal study

Table 2 Correlation of preoperative ocular aberrations to postoperative visual performance

Ocular aberrations	Estimate1	Fix effect1	P1	Estimate2	Fix effect2	P2	Estimate3	Fix effect3	P3
TRSE	0.73	14.10	< 0.001^a	0.54	9.45	< 0.001^a	0.84	12.97	< 0.001^a
Angle alpha	0.92	99.23	< 0.001^a	0.75	25.00	< 0.001^a	0.73	11.26	0.003^a
Coma	0.01	0.06	0.81	0.07	0.01	0.86	0.20	1.56	0.10
Trefoil	0.12	1.43	0.15	0.13	1.99	0.24	0.35	2.31	0.008^a
SA	0.57	3.73	0.008^a	0.72	9.56	< 0.001^a	0.52	3.98	0.02^a
Cornea HOA	0.33	5.90	0.004^a	0.11	2.18	0.12	0.07	1.64	0.63
Internal HOA	0.10	1.22	0.27	0.15	2.08	0.17	0.58	2.22	0.01^a
Total HOA	0.06	0.12	0.89	0.04	0.10	0.91	0.15	0.66	0.52
DLI	0.13	1.82	0.08	0.15	2.39	0.06	0.12	0.58	0.57

1 = corrected distance visual acuity one month postoperative, 2 = corrected distance visual acuity six months postoperative, 3 = near corrected visual acuity, TRSE tracey refraction spherical equivalent, HOA higher order aberration, SA spherical aberration, DLI dysfunctional lens indexes
^a denotes significant correlation between ocular aberrations and visual outcome

ISSN: 1471-2415