Study to Evaluate the Accuracy of the Snapsight Photorefraction Device Compared to a Tabletop Autorefractor Screening for Ametropia in Children Aged 3 to 8 Years Multicenter Study in France

What this Trial Is About

Researchers are evaluating the performance of a photorefraction screener device in children aged 3 to 8 years old to detect ametropia, a type of refractive error. The study aims to compare this devices measurements with those from the gold standard tabletop refractometer and to assess how well the devices results agree with the standard method. The goal is to understand how sensitive, specific, and accurate the photorefraction device is for vision screening in children. Eligible participants will take part in a single evaluation visit where several objective refraction measurements are taken using the investigational photorefraction device, a tabletop refractometer, and another portable vision screener, both with and without cycloplegia eye drops that temporarily paralyze focusing. Researchers will also assess far vision visual acuity, strabismus eye alignment, and subjective refraction during this visit. During the visit, investigators will gather data from the different devices and assessments to evaluate the photorefraction screeners performance in detecting refractive errors and amblyopia lazy eye. They will also monitor for any safety concerns or device failures. All measurements and assessments occur in one day during this single visit, providing a comprehensive comparison of the screening tools.

The Objective of This Study is to Evaluate the Perfomance of a Photorefraction Device for Screening Ametropia in Children. Eligible Participants Will Undergo Multiple Refractive Error Measurements, Visual Acuity and Strabismus Assessments During a Single Evaluation Visit.