Table 22: Summary of GRADE Quality Assessment for Vision Interventions^*.

Intervention	No. of Studies	Quality Assessment				Summary of Findings
							No. of Patients		Effect (RR [95% CI])
		Design	Quality	Consistency	Directness	Other	Interv	Control		Quality
Vision assessment and referral	2	RCT	No serious limitations	Some inconsistency†	Direct	None	448	444	1.12 [0.82–1.53]	Moderate
		High	High	Moderate	Moderate	Moderate
Cataract surgery	2	RCT	No serious limitations	Consistent	Some uncertainty about directness‡	None	274	271	1.11 [0.92–1.35]	Moderate
		High	High	High	Moderate	Moderate

^*RR refers to relative risk; CI, confidence interval; Interv, intervention; RCT, randomized controlled trial

^†One study shows positive effect, (126) and one shows negative. (127)

^‡Only women included in studies. (128;129)