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Background  This population based cross sectional study was conducted to detect amblyopia risk factors and myopia in a rural district of Northwestern Turkey by using PlusoptiX S12R (Photoscreener PlusoptiX Inc., Nuremberg, Germany).    Methods  Children from 38 rural schools in Caycuma district of Zonguldak Turkey underwent vision screening in their school using PlusoptiX S12 photoscreener. Data were analyzed using the factory default level 5 referral criteria targeting 80% sensitivity and 95% specificity. Referral, unable readings, and positive predictive value (PPV) were reported.    Results  Data from 2846 children were analyzed. Mean age was 7.9 years (±0.8) (range 36 months to 11 years). Three hundred ten (11%) were referred of whom 32% were read as ‘unable’. 150 children (48% of the referred) received a gold standard examination. Positive predictive value of PlusoptiX was 69%. PPV was 83% when unable readings were excluded. 93 children with amblyopia risk factors were identified. Only 26% ( n  = 25) had received glasses priorly. 49 children had amblyopia of whom 33 were newly diagnosed.    Conclusions  PlusoptiX showed a reasonable level of positive predictive value in community setting and the device could be a useful tool for vision screening in preschoolers and schoolers. We found most of the amblyogenic refractive errors were underdiagnosed in rural school children leading to a call for action on vision screening.

Objective vision screening using PlusoptiX for children aged 3–11 years in rural Turkey