ArticleLasers in medical science2025
Exploration of visual perception metrics as indicators for myopia screening.
Article in Lasers in medical science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveThis study aims to develop and validate a low-cost, easy-to-use myopia screening model by integrating visual perception indicators with biometric indicators, to provide a feasible strategy for identifying children at risk of myopia in large-scale screenings.
methodA group comprising of 180 third-grade students aged 8-10 years in Shenzhen underwent myopia screening in 2023, accompanied by assessments of ocular biometrics and visual perception. Vision examination was conducted using the YYK-900 intelligent self-serving vision tester, with measurements of uncorrected visual acuity (UCVA) taken at a distance equivalent to the standard 5 m. Binocular visual perception examinations were conducted using a visual perception examination system. Predictive models for myopia were formulated using the axial length/corneal radius ratio (AL/CR) along with visual perception metrics. The diagnostic efficacy of each model was then assessed through receiver operating characteristic (ROC) curve analysis.
resultsThe maximum Perceptual Eye Positioning - Digital Localization in Horizontal Direction value between both eyes (PEP-DL (max)), the 0.8mE optotype, and the 1.5mE optotype, indicating statistically significant differences between emmetropia and the screening myopia groups. Prediction models were subsequently developed using AL/CR (max) along with visual perception indicators. Model 1 was constructed exclusively on AL/CR (max), with an area under the ROC curve (AUC) of 0.779 (95%CI 0.686 to 0.872). Meanwhile, Model 2 was solely based on visual perception indicators, resulting in an AUC of 0.709 (95%CI 0.614 to 0.804). Model 3 was a combination of both AL/CR (max) and visual perception indicators, which are PEP-DL (max) and E 0.8 m, achieving an AUC of 0.794 (95%CI 0.702 to 0.886).
conclusionsThe diagnostic effectiveness of visual perception indicators and AL/CR (max) in myopia screening demonstrated comparable outcomes. Furthermore, the integration of visual perception indicators with AL/CR (max) substantially enhances the diagnostic capacity of myopia screening, thereby enhancing both the precision and dependability of myopia screening initiatives conducted within schools.
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