Corneal collagen cross-linking for treating keratoconus

Abstract

Analysis 1.1. Comparison 1 Corneal collagen cross-linking versus sham or no treatment, Outcome 1 Primary outcomes. Analysis 1.2. Comparison 1 Corneal collagen cross-linking versus sham or no treatment, Outcome 2 Secondary outcomes.

Corneal collagen cross-linking for treating keratoconus

“…We did an available case analysis and judged the extent to which attrition bias might be a problem in the 'Risk of bias' table. We did not look at the potential impact of missing data in a sensitivity analysis (as planned in our protocol (Hamada 2013)) due to the sparcity of data and lack of meta-analysis.…”