Table 2 Comparison of the interventions in the two arms of the trial
| Â | Intervention arm | Control arm |
|---|---|---|
Consent and enumeration | Yes | Yes |
Community sensitisation | Posters and announcement in churches and schools | Posters and announcement in churches and schools |
Community screening | Vision assessed at household level using Peek E- acuity by field worker | No vision assessment at household level |
Screening decision using Peek Screening App | No screening | |
Personalised text and weekly reminder messages for participants/carers in the relevant local language to attend appointments | No text message | |
Referral from community to PHC (triage centre) | Self-referring participants and referrals by CV using Peek system? | Self-referring participants |
Automatic referral through Peek system | No referrals | |
Provision of triage | Trained team composed of ophthalmic clinical officer, ophthalmic nurses and two field workers | Trained team composed of ophthalmic clinical officer, ophthalmic nurses and two field workers |
Referral from triage centre to secondary care | Paper referral | Paper referral |
Automatic referral through Peek system and weekly reminder SMS | Â | |
Assessment of primary outcome | Same for both arms (trained field worker) | Same for both arms (trained field worker) |
Assessment of referrals | Ophthalmic clinical officer | Ophthalmic clinical officer |