Postoperative spherical equivalent

within ±0.25

within ±0.5

within ±0.75

within ±1.0

within ±2.0

No. of patients

134

229

307

359

405

Age (mean ± SD)

63.1 ± 11.2

65.5 ± 10.9

65.3 ± 10.7

64.6 ± 10.9

65.5 ± 10.9

Gender: female/male (%)

61.9/38.1

57.2/42.8

58.6/41.1

59.3/40.7

59.8/40.26