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Informed consent and permission were obtained from the principal of each school to conduct on-site\u00a0vision screening as part of the\u00a0eye-screening programme. Through the school\u00a0principal, information about the screening programme\u00a0was circulated to parents. Parents who did not wish their child to\u00a0participate in the\u00a0vision\u00a0screening were advised to inform\u00a0the principal\u00a0or school administration.","order":2,"name":"Ethics","label":"Ethics and Consent to Participate","group":{"name":"EthicsHeading","label":"Declaration"}}]}}