Predictors of change in time spent on productive activities from baseline to follow up among operated cases across the three countries combined.

*Coefficients, 95% Confidence Intervals and P-values are derived from the multivariate linear regression analysis.

**Presenting visual acuity in the better eye.

PL Perception of light.

There was no association between change in time spent and SES, literacy, marital status and unilateral/bilateral surgery and these data are not presented.