Table 2

Demographic and biometric data presented as mean values with (standard deviation and range min: max value (range for all participants only)), with [median values, IQR] shown for AL & ACD only

All, axial length <21 mmPhakicPrevious lens extractionp Value
Number967026
Age (years)69.0 (8.8, 50.9 to 89.2)66.3 (7.5)76.5 (7.6)<0.001
Sex22M/74F13M/57F9M/17F0.11
AL (mm)20.05 (1.26, 14.27 to 20.98)
[20.53, 0.80]
20.45 (0.85)
[20.61, 0.48]
18.96 (1.55)
[18.91, 2.85]
<0.001
ACD (mm)2.94 (0.69)
[2.75, 0.78]
2.67 (0.44)
[2.62, 0.44]
3.75 (0.71)
[3.98, 0.92]
<0.001
Mean K (D)45.24 (1.62, 41.71 to 51.19)45.45 (1.65)44.64 (1.41)0.044
SE (D)+3.63 (2.94, −5.50 to +8.38)+5.04 (1.84)−0.15 (1.71)<0.001
Anisometropia, (D)1.13 (1.23, 0.00 to 6.76)1.20 (1.27)0.94 (1.09)0.37
V/A (logMAR)0.31 (0.47, −0.20 to 1.68)0.37 (0.53)0.16 (0.24)0.061
LogMAR difference between eyes0.31 (0.44, 0.00 to 1.82)0.38 (0.49)0.12 (0.19)0.012
IOP (mm Hg)15.7 (3.8)15.6 (3.9)16.0 (3.3)0.63
  • Comparisons with p values are between phakic and those with previous lens extraction.

  • ACD, anterior chamber depth; AL, axial length; IOP, intraocular pressure.