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

Table 1 Preoperative and postoperative ocular aberrations from aberrometry

Ocular aberrations (mean ± SD)	Preoperative	Postoperative	P value
TRSE	−1.25 ± 2.23	−0.62 ± 0.56	0.03^a
Angle alpha	0.33 ± 0.12	0.32 ± 0.12	0.42
Coma	0.17 ± 0.17	0.06 ± 0.08	< 0.001^a
Trefoil	0.13 ± 0.10	0.05 ± 0.08	< 0.001^a
SA	0.05 ± 0.08	0.01 ± 0.02	< 0.001^a
Cornea HOA	0.15 ± 0.17	0.09 ± 0.09	0.01^a
Internal HOA	0.25 ± 0.15	0.11 ± 0.07	< 0.001^a
Total HOA	0.30 ± 0.19	0.11 ± 0.08	< 0.001^a
DLI	5.75 ± 2.59	9.27 ± 1.44	< 0.001^a

SD standard deviation, TRSE tracey refraction spherical equivalent, HOA higher order aberration, SA spherical aberration, DLI dysfunctional lens indexes
^a denotes significant difference

ISSN: 1471-2415