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Table 1 Preoperative patient characteristics

From: Visual performance, safety and patient satisfaction after bilateral implantation of a trifocal intraocular lens in presbyopic patients without cataract

 

n

Mean ± SD

Range

Patient characteristics

 Age (years)

36

57.4 ± 6.0

47; 72

 Gender (%, men / women)

36

52.8 /47.2

 Anterior chamber depth (mm)

71

3.25 ± 0.39

2.45; 4.17

 IOL power (D)

72

21.9 ± 3.5

11.5; 27.0

 Expected spherical equivalent (D)

68

-0.10 ± 0.21

-0.61; 0.33

Refraction (D)

 Sphere

72

0.82 ± 2.20

-7.0; 4.25

 Cylinder

72

-0.53 ± 0.45

-1.75; 0

 Spherical equivalent

72

0.67 ± 2.28

-7.0; 4.25

Visual acuity (logMAR)

 Monocular UDVA

69

0.46 ± 0.42

0.00; 1.30

 Binocular UDVA

24

0.31 ± 0.34

0.00; 1.00

 Monocular CDVA

72

0.01 ± 0.03

0.00; 0.20

 Binocular CDVA

36

0.01 ± 0.04

0.00; 0.10

 Monocular CNVA

53

0.01 ± 0.04

0.00; 0.20

 Binocular CNVA

28

0.03 ± 0.05

0.00; 0.10

  1. CDVA Corrected distance visual acuity, CNVA Corrected near visual acuity, D dioptre, SD Standard deviation, UDVA Uncorrected distance visual acuity