Comparison 18. Environment/assistive technology interventions: vision improvement vs control.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
18.1 Rate of falls	3		Rate Ratio (IV, Fixed, 95% CI)	Subtotals only
18.1.1 Vision assessment and eye examination + intervention (with or without referral) vs control	1	616	Rate Ratio (IV, Fixed, 95% CI)	1.57 [1.19, 2.06]
18.1.2 Visual acuity assessment and referral vs remainder	1	1090	Rate Ratio (IV, Fixed, 95% CI)	0.91 [0.77, 1.09]
18.1.3 Single lens distance glasses vs usual glasses (multifocal)	1	597	Rate Ratio (IV, Fixed, 95% CI)	0.92 [0.73, 1.17]
18.2 Number of fallers	3		Risk Ratio (IV, Fixed, 95% CI)	Subtotals only
18.2.1 Vision assessment and eye examination + intervention (with or without referral) vs control	1	616	Risk Ratio (IV, Fixed, 95% CI)	1.54 [1.24, 1.91]
18.2.2 Visual acuity assessment and referral vs remainder	1	1090	Risk Ratio (IV, Fixed, 95% CI)	0.89 [0.76, 1.04]
18.2.3 Single lens distance glasses vs usual glasses (multifocal)	1	597	Risk Ratio (IV, Fixed, 95% CI)	0.97 [0.85, 1.11]
18.3 Number of people sustaining a fracture	2		Risk Ratio (IV, Fixed, 95% CI)	Subtotals only
18.3.1 Vision assessment and eye examination + intervention (with or without referral) vs control	1	616	Risk Ratio (IV, Fixed, 95% CI)	1.73 [0.96, 3.12]
18.3.2 Single lens distance glasses vs usual glasses (multifocal)	1	597	Risk Ratio (IV, Fixed, 95% CI)	1.58 [0.74, 3.40]