Table 1.
Summary of study characteristics and results of the reports by Delaney et al. [7] and Shah and Heier [8]
Studies | Study design | Number of patients/eyes | Type of floaters | Maximum energy per burst (mJ) | YAG laser vitreolysis | Alternative treatment | Follow-up period | Symptomatic relief after treatment |
---|---|---|---|---|---|---|---|---|
Delaney et al. | Single center, retrospective |
31 patients 42 eyes |
Single opacity: n = 25 Multiple opacities: n = 17 |
1.2 | 39 eyes |
4 eyes PPV |
14.7 months |
YAG laser vitreolysis: moderate 35.8% Significant 2.5% PPV: 93.3% |
Shah and Heier | Single center, prospective, masked, randomized, sham-controlled | 52 patients/eyes | Weiss ring floater: n = 52 | 7 | 36 eyes | 16 eyes control | 6.0 months |
YAG laser vitreolysis: 53% improvement Controls: 9% improvement |
PPV pars plana vitrectomy, YAG yttrium-aluminum-garnet