The societal economic impact of vision impairment in adults 40 years and above: findings from the National Eye Survey of Trinidad and Tobago

Braithwaite, T; Bailey, H; Bartholomew, D; Maharaj, V; Fraser, A; Deomansingh, F; Ramsewak, SS; Tripathi, V; Sharma, S; Singh, D; Ramsewak, SS; Bourne, RRA; Gray, A

Journal article

The societal economic impact of vision impairment in adults 40 years and above: findings from the National Eye Survey of Trinidad and Tobago

Abstract:: Background: Understanding and mitigating the societal economic impact of vision impairment (VI) is important for achieving the Sustainable Development Goals. Aim: To estimate the prevalent societal economic impact of presenting VI in Trinidad and Tobago using bottom-up cost and utilisation data from the 2014 National Eye Survey of Trinidad and Tobago. Methods: We took a societal perspective to combine comprehensive, individual-level cost and utilisation data, with population-based prevalence estimates for VI, and additional data from a contemporaneous national eyecare system survey. We included direct (medical and non-medical) and indirect (productivity loss) costs, and intangible losses in total cost estimates, presented in 2014 Trinidad & Tobago (TT) dollars and UK sterling equivalent. We considered but excluded transfer payments and dead weight losses. Sensitivity analyses explored impact on total cost of parameter uncertainty and assumptions. Results: Individual utilisation and cost data were available for 65.5% (n = 2792/4263) and 59.0% (n = 2516/4263) eligible participants aged ≥40 years, respectively. Participant mean age was 58.4(SD 11.8, range 40–103) years, 56.3% were female. We estimated total societal cost of VI in 2014 at UK£365,650,241 (TT$3,842,324,655), equivalent to £675 per capita (population ≥40 years). Loss of wellbeing accounted for 73.3%. Excluding this, the economic cost was UK£97,547,222 (TT$1,025,045,399), of which indirect costs accounted for 70.5%, followed by direct medical costs (17.9%), and direct non-medical costs (11.6%). Conclusion: This study provides a comprehensive estimate of the economic impact of vision loss in a Caribbean country, and highlights the extent to which affected individuals and their families bear the societal economic cost of vision impairment.

Publication status:: Published

Peer review status:: Peer reviewed

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APA Style

Braithwaite, T., Bailey, H., Bartholomew, D., Maharaj, V., Fraser, A., Deomansingh, F., Ramsewak, S. S., Tripathi, V., Sharma, S., Singh, D., Ramsewak, S. S., Bourne, R. R. A., & Gray, A. (2023). The societal economic impact of vision impairment in adults 40 years and above: findings from the National Eye Survey of Trinidad and Tobago. Eye, 38(11), 2124–2133.

MLA Style

Braithwaite, T., et al. “The Societal Economic Impact of Vision Impairment in Adults 40 Years and above: Findings from the National Eye Survey of Trinidad and Tobago.” Eye, vol. 38, no. 11, Springer Nature [academic journals on nature.com], 2023, pp. 2124–33.

Chicago Style

Braithwaite, T, H Bailey, D Bartholomew, V Maharaj, A Fraser, F Deomansingh, SS Ramsewak, et al. 2023. “The Societal Economic Impact of Vision Impairment in Adults 40 Years and above: Findings from the National Eye Survey of Trinidad and Tobago.” Eye 38 (11): 2124–33.
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