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  • Title: Anterior chamber depth and axial length affect clinical performance of Spot Vision Screener.
    Author: Yakar K.
    Journal: Arq Bras Oftalmol; 2020; 83(1):43-47. PubMed ID: 31664336.
    Abstract:
    PURPOSE: The aim of this study was to evaluate the effect of anterior chamber depth and axial length on clinical performance of the Spot Vision Screener in detecting amblyopia risk factors in children aged 3-10 years. METHODS: A total of 300 eyes from 150 patients aged 3-10 years were prospectively tested with Spot Vision Screener (firmware version 3.0.02.32, software version 3.0.04.06) and a standard autorefractometer (Nidek ARK-1). The anterior chamber depth and axial length were measured with an optical biometer (Nidek AL-Scan). The sensitivity and specificity values for detecting significant refractive errors using the referral criteria of the American Association for Pediatric Ophthalmology and Strabismus were determined. Pearson's correlation analysis was employed to evaluate the relationship between the Spot Vision results and the anterior chamber depth and axial length. RESULTS: Compared with the standard autorefractometer results, the Spot Vision Screener's sensitivity and specificity was 59% and 94%, respectively. The differences between the cycloplegic autorefractometer and the Spot Vision Screener spherical equivalents were negatively correlated with anterior chamber depth (r=-0.48; p<0.001) and axial length (r=-0.45; p<0.001). CONCLUSION: The Spot Vision Screener has moderate sensitivity and high specificity, using the criteria of the American Association for Pediatric Ophthalmology and Strabismus. The anterior chamber depth and axial length affect the Spot Vision results.
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