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Table 4 The differences in the postoperative visual clarity among different types of intraocular lenses

From: A study of patient satisfaction after cataract surgery with implantation of different types of intraocular lenses

  Number Mean SD F test P-value
Reading a newspaper monofocal-aspheric 30 3.83 0.91 0.593 0.669
monofocal-yellow 9 3.56 0.88
multifocal 14 4.14 0.86
multifocal-yellow 24 3.96 0.86
NHI covered 49 3.90 1.03
Viewing a computer screen monofocal-aspheric 29 3.86 0.92 0.159 0.958
monofocal-yellow 8 4.13 0.64
multifocal 14 4.00 0.88
multifocal-yellow 24 3.92 0.93
NHI covered 49 3.93 0.90
Watching television monofocal-aspheric 30 4.10 0.76 0.542 0.705
monofocal-yellow 9 3.89 0.60
multifocal 14 4.14 0.77
multifocal-yellow 24 3.96 0.95
NHI covered 49 4.20 0.82
Night driving monofocal-aspheric 23 3.91 0.79 0.670 0.614
monofocal-yellow 8 3.38 0.52
multifocal 14 3.64 0.63
multifocal-yellow 24 3.71 1.08
NHI covered 49 3.82 0.94
Distance-vision activities monofocal-aspheric 30 3.90 0.80 0.223 0.925
monofocal-yellow 9 3.67 0.71
multifocal 14 4.00 0.96
multifocal-yellow 24 3.79 0.98
NHI covered 49 3.86 1.00
Looking at small objects monofocal-aspheric 30 3.30 0.99 1.926 0.110
monofocal-yellow 9 3.00 0.50
multifocal 14 3.93 0.92
multifocal-yellow 24 3.75 0.90
NHI covered 49 3.56 1.11
Looking at objects under strong light monofocal-aspheric 30 3.23 0.77 2.080 0.088
monofocal-yellow 9 3.33 0.71
multifocal 14 3.79 0.89
multifocal-yellow 24 3.88 0.74
NHI covered 49 3.57 1.06
Color discrimination monofocal-aspheric 29 4.21 0.73 0.682 0.606
monofocal-yellow 9 3.78 0.67
multifocal 14 4.14 0.53
multifocal-yellow 24 4.08 0.72
NHI covered 49 4.20 0.87
Looking at moving objects monofocal-aspheric 30 4.00 0.91 0.385 0.819
monofocal-yellow 9 3.78 0.67
multifocal 14 4.14 0.66
multifocal-yellow 24 3.92 0.72
NHI covered 49 4.06 0.91
Dry eye sensation monofocal-aspheric 30 3.23 1.04 1.117 0.352
monofocal-yellow 9 3.22 0.83
multifocal 14 3.71 0.83
multifocal-yellow 24 3.75 0.99
NHI covered 49 3.51 1.17
  1. Notes: The mean was calculated from a Likert Scale from 5 (very clear) to 1 (not very clear).