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Table 4 Comparative publications among different excimer platforms for Anterior Surface Ablation/LASIK performance

From: Myopic Laser-Assisted Subepithelial Keratectomy (LASEK) outcomes using three different excimer laser platforms: a retrospective observational study

 

Study design

Treatment

MMC 0.02%

UDVA decimal

UDVA LogMAR

Efficacy Index

Residual Sphere

Residual Cylinder

CDVA decimal

CDVA LogMAR

Safety Index

Change in CDVA lines preop/postop

SE ±0.5 D

SE ±1 D

Correlation preopSE/ Corrected refraction

ANTERIOR SURFACE ABLATION

 Our Study

Retrospective study.

394 eyes. ≤ 40 y.o.

Full range myopia

3-months follow-upU

Allegretto 400 Hz vs Esiris vs Technolas 217c.

Standard (no customized)

MMC: 15 s each 50 μm

*Allegretto better than others

*Allegretto better than others

*Allegretto better than others

*Allegretto better than others

*Allegretto better than others

*Allegretto better than others

No differences were found

*Technolas worse than others

No differences were found

*Allegretto better than others

No differences were found

Strong correlation in the 3 groups

  [32] Nassiri et al.

JCRS. 2011;37:1858–64.

Prospective study

131 eyes. ≤ 40 y.o.

Low to moderate myopia.

3-month follow-up

Allegretto 400 Hz vs Technolas 217z.

WFG vs Planoscan

MMC: 10–25 s >  70 μm

Allegretto better than Technolas

  

No differences were found

No differences were found

Allegretto better than Technolas

      

  [33] Nassiri et al.

JRS. 2015;31:683–90.

Prospective study.

151 eyes. ≤ 45 y.o.

Moderate myopia.

3-month follow-upU

Allegretto 400 Hz vs Technolas 217z

WFO vs Tissue-saving

MMC: 10–25 s > 70 μm

Allegretto better than Technolas

  

No differences were found

No differences were found

20/20 (Snellen) in both groups

      

LASIK

  [20] Han et al.

Clin Ophthalmol. 2012; 6:1159–68.

Retrospective study.

442 eyes. ≤ 52 y.o.

Full range myopia

3-month follow-upU

Allegretto 400 Hz vs Technolas 217z

WFO vs Planoscan

Flap creation: Visumax 500 kHz

  

Allegretto better than Technolas

No differences were found

Allegretto better than Technolas

*Allegretto better than Technolas

 

No differences were found

No differences were found

 

No differences were found

No differences were found

 

  [19] Mearza et al.

J Refract Surg. 2008;24:885–90.

Prospective study

44 eyes. 61 y.o.

Full range myopia and hyperopia

Allegretto eye-Q vs Esiris

Q-value vs aspheric standard

Flap creation: Moria M2

 

No differences in myopia subgroup were found

 

No differences in total group were found

No differences in myopia subgroup were found

No differences in myopia subgroup were found

No differences in total group were found

 

No differences in total group were found

 

No differences in total group were found

No differences in total group were found

 
  1. UDVA uncorrected distance visual acuity; CDVA corrected distance visual acuity, D dioptres, MMC mitomycin C, SE spherical equivalent, y.o.: years old; *statistically significant differences (P < 0.05)