Table 6.

Per Person Medical Costs, Years of Visual Loss and Blindness, and the Cost-Effectiveness of Different Intervention and Treatment Strategies for Barbados and Ghana.

BARBADOS
Scenario	Medical Costs*	Prevalence of Visual Loss	Prevalence of Blindness	Quality-Adjusted Life Years (QALYs)*	Cost per QALY Gained*	Disability- Adjusted Life Year (DALY)*	Cost per DALY Avoided*	Productivity Gains*
No treatment	$0	0.010	0.006	–	–	0.064	–	–
Diagnosis upon incidence
Guideline care	$413	0.003	0.000	–	–	0.010	$7,728	$431
Laser only	$50	0.005	0.003	–	–	0.031	$1,528	$278
Syndromic referral
Guideline care	$83	0.011	0.002	–	–	0.046	$4,690	$164
Laser only	$16	0.010	0.003	–	–	0.051	$1,272	$115
Universal screening
Guideline care	$583	0.004	0.001	–	–	0.016	$12,108	$379
Laser only	$198	0.006	0.003	–	–	0.034	$6,632	$242
GHANA
No treatment	$0	0.162	0.073	15.987	–	0.032	—	–
Diagnosis upon incidence
Guideline care	$189	0.003	0.000	16.012	$7,493	0.004	$6,896	$62
Laser only	$31	0.005	0.003	16.004	$1,810	0.014	$1,771	$42
Syndromic referral
Guideline care	$29	0.168	0.017	15.991	$6,542	0.024	$3,947	$20
Laser only	$7	0.164	0.035	15.990	$2,268	0.027	$1,407	$14
Universal screening
Guideline care	$328	0.051	0.005	16.012	$12,980	0.008	$13,504	$44
Laser only	$154	0.092	0.030	16.005	$8,702	0.016	$9,808	$29

^*Discounted 3% annually