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Table 6 Refractive lens extraction in astigmatism with implantation of toric IOLs (visual acuities is decimal values/ decimal scale)

From: Refractive lens exchange in modern practice: when and when not to do it?

Author,year No. of eyes/patients/mean age(years) Mean follow-up(months) Keratometry(K1,K2)(D)/Axial length(mm)/Mean IOL power(D) Preop SE/mean defocus equivalent/mean refractive cylinder(D) Postop SE/mean defocus equivalent/mean refractive cylinder(D) PreoperativeCDVA PostoperativeUCVA Postoperative,CDVA
Sun et al., 2000 (retrospective) [66] Toric group:
130/99/72
122 eyes – cataract surgery
8 eyes – RLE
Non-toric group:
51/45/ N/R
6.9 N/R
K2-K1 = 2.59 ± 0.82 (total)
Mean refractive cylinder preop:
Toric group: 2.57 ± 1.15
Non–toric group: 2.58 ± 0.89
Toric group:
Mean SE: -0.51 ± 0.65 refractive cylinder:
-1.03 ± 0.79
Non-toric group:
Mean SE: -0.52 ± 0.78
Refractive cylinder:
-1.49 ± 0.75
The authors only mention preop UCVA:
Toric group: 0.74 ± 0.25 logMAR
Non-toric group:
0.78 ± 0.30 logMAR
Preop BCVA – N/R
Toric group:
84% of eyes ≥0.5
Non-toric group: 76% of eyes ≥0.5
The authors only mention postop UCVA:
Toric group: 69% ≥0.66
Non-toric group: 70.3% ≥0.66
Postop BCVA- N/R
Jaimes et al., 2011 (retrospective) [68] 19/13/48.15
12- keratoconus
1- pellucid marginal degeneration
7.89 Mean K readings: 46.31 ± 3.39
AL – N/R
IOL: AcrySof ToricSN60T3-T9
mean power =14.9
Sphere: -5.25 ± 6.40 Cylinder: +3.95 ± 1.30
SE refraction: -7.10 ± 6.41
Sphere: +0.22 ± 1.01
Cylinder: +1.36 ± 1.17
SE refraction: -0.46 ± 1.12
CDVA: 0.28 ± 0.55 logMAR Postop UDVA
0.29 ± 0.23 logMAR
CDVA: 0.11 ± 0.12 logMAR
Leccisotti, 2006 [69] 34/20/56.7 17.4 N/R -11.0 ± 4.65 /12.0 ± 4.64/1.86 ± 1.39 -1.31 ± 1.08 /1.94 ± 1.57/1.22 ± 1.37 0.55 ± 0.23 0.48 ± 0.25 0.76 ± 0.23 at 12 months
Ruiz-Mesa et al., 2009 (prospective) [67] 32/19/60.1 6 K1 = 43.47 ± 1.20
K2 = 45.75 ± 1.41
AL =23.54 ± 2.04
IOL power =20.87 ± 5.99
Mean refractive sphere: -0.70 ± 5.32
Mean refractive cylinder: -2.46 ± 0.99
Mean refractive sphere: -0.007 ± 0.61
Mean refractive cylinder: -0.53 ± 0.30
0.87 ± 0.10 0.89 ± 0.09, 56.3% of eyes ≥1.00
84.3% of eyes ≥0.80
0.95 ± 0.09
Pop et al., 2001 (retrospective) [70] 65/55/N/R
RLE for hyperopia
31 eyes – retreated with PRK
34 eyes- retreated with LASIK
12 Mean K readings: 43.23 ± 1.92
Mean AL: 21.33
Mean IOL power: 32.7 ± 6.0
Preop SE:
3.1% of eyes within ±0.5 D of emmetropia
4.6% of eyes within ±1.0 D of emmetropia
96% of eyes within ±2.0 D of emmetropia
79% of eyes within ±1.0 D of emmetropia
51% of eyes within ±0.5 D of emmetropia
18.5% of eyes ≥1.0 before RLE
60.9% of eyes ≥1.0 before laser adjustment
Postop UDVA:
85% of eyes ≥0.5
46% of eyes ≥1.0
CDVA at 12 months:
100% ≥0.5 after PRK
95.7% ≥0.5 after LASIK
  1. RLE: Refractive lens extraction, SE: spherical equivalent, UDVA: uncorrected distance visual acuity, CDVA: corrected distance visual acuity, AL: axial length, IOL: intraocular lens, PRK: photorefractive keratectomy, LASIK: laser in situ keratomileusis, N/R: not reported.