5.

Composite signs (convergence) and symptoms outcome: achieved normal and improved NPC, PFV, and Convergence Insufficiency Symptom Score (CISS): NPC is normal (<6cm) and has improved by ≥ 4cm, PFV is normal (passing Sheard's criterion and a PFV break > 15∆) and has improved ≥ 10 ∆, and CISS is normal (< 16) and has improved ≥ 10 points.

The certainty of evidence was rated 'high' if all domains were of 'no concerns.' The certainty of evidence was rated 'moderate' if two or more domains were of 'some concerns.'

The certainty of evidence was rated 'low' if two or more domains were of 'major concerns' or one domain of 'major concerns' plus one domain of 'some concerns.'

CI: confidence interval.