Table 2.
Refractive lens extraction in myopia
| Author, year | No. of eyes/ patients | Mean preoperative SE (D) /axial length (mm) | Preoperative VA | Postoperative VA | Postoperative refractive error | Follow- up- time | Retinal detachment rate |
|---|---|---|---|---|---|---|---|
| Arne, 2004 CLE versus pIOL [11] | 36/18 RLE 41/21 pIOL | SE: -16.7 RLE -13.6 pIOL AL: 28.43 |
N/R | At 1 year: pIOL -78% better than preop RLE - 83.3% better than preop |
-1.88 ± 0.83 D RLE -1.06 ± 0.78 D pIOL |
47.65 months | 2/77 eyes (2.59%) only in CLE group |
| Emarah, El-Helw, 2010 [12] | 28/16 RLE 27/15 ICL | SE: -17.54 RLE -16.45 ICL AL: N/R |
CDVA 0.39- RLE group CDVA 0.51- ICL group |
RLE group: CDVA 0.61, 71.4% postop UCVA better thanpreop CDVA ICL group: CDVA 0.79, 51.8% postop UDVA better than preop CDVA |
SE: -0.99 ± 0.88 D-RLE -0.63 ± 0.86 D-ICL RLE: 82% in goal refraction ICL: 77% in goal refraction both groups 100% within ±2.00 D of goal refraction |
17.1 months | none |
| Gabric, Dekaris et al., 2002 [14] | 72/34 | N/R | CDVA 0.5 in 72% of eyes | 4 years after surgery: UDVA ≥0.5 in 58.3% BCVA ≥0.5 in 83.3% | 70.8% - emmetropia 86.5% within ± 1.0 D of goal refraction 95.8% within ± 2.0 D of goal refraction | 48 months | 1 eye (0.72%) |
| Horgan et al., 2005 [15] | 62/37 RLE | -13.7/29.3 | CDVA ≥0.5 in 52% eyes | Mean UCVA 0.3 | -1.09 ± 1.34 D | >10 years | 2/62 eyes (3.2%) |
| Ravalico et al., 2003 [18] | 388/273, RLE/cataract extraction | -15.95/29.79 | CDVA 0.20 | CDVA 0.50 | SE -2.00 ± 1.62 D | 47.16 months | 1 eye (0.26%) |
| Fernandez- Vega et al., 2003 [13] | 190/107, RLE | -17.84/26.0 | CDVA 0.37 | 83.7% - better than preop 12.6% - equal to preop 3.7% - worse than preop |
Mean -1.22 D 41% -within ± 1.00 D of emmetropia 79% - within ± 2.00 D of emmetropia | 4.78 years | 2.10% |
| Guell et al., 2003 [28] | 44/30, RLE or initial lens opacification | -15.77/N/R | CDVA ≥0.5 in 63.2% of patients | CDVA ≥0.5 in 82.9% | Mean -1.05 D 52.7% within ± 1.00 D of emmetropia 94.1% within ± 2.00 D of emmetropia |
31.45 months | none |
SE: spherical equivalent, RLE: refractive lens extraction, VA: visual acuity, UDVA: uncorrected distance visual acuity, CDVA: corrected distance visual acuity, BCVA: best corrected visual acuity, ICL: implantable collamer lens, pIOL: phakic intraocular lens, N/R: not reported.