Refractive error situation analysis tool (RESAT)
23 May 2025
| Technical document

Overview
RESAT is a questionnaire-based qualitative assessment tool developed by WHO to evaluate the current status of services that address refractive error at the national or subnational level, and to monitor progress towards universal refractive error service coverage. Through implementing RESAT, countries can identify the strengths and weaknesses of their refractive error services.