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Table 5 Descriptive analysis of the studied eyes according to I-Trace

From: Objective and subjective evaluation of trifocal diffractive intraocular Lens after cataract extraction with phacoemulsification: a prospective clinical study

I–Trace

Post operative (3 months)

HO Total (μ)

 Min. – Max.

0.06–0.32

 Mean ± SD.

0.16 ± 0.08

 Median

0.16

Coma (μ @)

 Min. – Max.

0.02–0.18

 Mean ± SD.

0.07 ± 0.05

 Median

0.05

Spherical (μ)

Positive

Min. – Max.

0.0–0.14

Mean ± SD.

0.04 ± 0.04

Median

0.02

Negative

Min. – Max.

− 0.05 – 0.0

Mean ± SD.

− 0.03 ± 0.02

Median

− 0.03

Trefoil (μ @)

Min. – Max.

0.01–0.20

Mean ± SD.

0.08 ± 0.06

Median

0.05

RMS (mm)

Min. – Max.

2.0–3.70

Mean ± SD.

2.73 ± 0.52

Median

2.60