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Table 1 Demographic and preoperative characteristics

From: Comparison of visual outcomes of a diffractive trifocal intraocular lens and a refractive bifocal intraocular lens in eyes with axial myopia: a prospective cohort study

Parameter

AT LISA tri 839MP Groups

SBL-3 Groups

P Value

Group A

Axial Myopia Group

Group B

Control Group

Group C

Axial Myopia Group

Group D

Control Group

Age (years)

66.1 ± 13.0

71.0 ± 10.5

70.4 ± 10.3

68.2 ± 8.3

0.455

UDVA (logMAR)

0.41 ± 0.25

0.57 ± 0.34

0.52 ± 0.30

0.45 ± 0.28

0.423

CDVA (logMAR)

0.31 ± 0.23

0.32 ± 0.32

0.37 ± 0.22

0.40 ± 0.36

0.655

SE (D)

-3.86 ± 3.39b,d

-0.87 ± 2.14a

-3.21 ± 2.51d

-0.30 ± 2.64a,c

< 0.001*

Corneal Astigmatism (D)

0.73 ± 0.21

0.72 ± 0.32

0.66 ± 0.33

0.64 ± 0.30

0.735

Pupil diameter (mm)

3.31 ± 0.57b

2.79 ± 0.47a

3.27 ± 0.77

2.94 ± 0.43

0.035*

AL (mm)

25.29 ± 0.84b,d

23.28 ± 0.36a,c

25.04 ± 0.64b,d

23.19 ± 0.41a,c

< 0.001*

ACD (mm)

3.25 ± 0.38b,d

2.93 ± 0.33a,c

3.21 ± 0.37b,d

2.95 ± 0.40a,c

0.009*

IOL power (D)

15.90 ± 3.11b,d

21.23 ± 0.77a,c

15.34 ± 2.74b,d

20.40 ± 1.55a,c

< 0.001*

Target SE (D)

-0.15 ± 0.12c,d

-0.13 ± 0.19c,d

0.12 ± 0.07a,b

0.11 ± 0.06a,b

< 0.001*

  1. One-way ANOVA test or Kruskal–Wallis H test; All data are expressed as mean ± SD
  2. UDVA Uncorrected distance visual acuity, CDVA Corrected distance visual acuity, logMAR Logarithm of the minimum angle of resolution, SE Spherical equivalent, D Dioptre, AL Axial length, ACD Anterior chamber depth, IOL Intraocular lens
  3. aP < 0.05 versus Group A (the axial myopia trifocal group)
  4. bP < 0.05 versus Group B (the control trifocal group)
  5. cP < 0.05 versus Group C (the axial myopia bifocal group)
  6. dP < 0.05 versus Group D (the control bifocal group)
  7. *P < 0.05 among four groups