Year Title Reference Results
2014 Photoscreeners in the Eye Office: Compared Testability and Refractions on High-Risk Children Am J Ophthalmol 2014; article in press

Patient age 1 to 16 years (mean patient age 6.0 ±3.4 years)

Mean difference of sphere:
-0.64 ±0.08 (95% CI -0.82 to -0.46)

Mean difference of cylinder:
0.32 ±0.04 (95% CI 0.24 to 0.41)

Mean difference of spherical equivalent:
-0.47 ±0.07 (95% CI -0.64 to -0.30)

2012 Screening for amblyopia risk factors in pre-verbal children using the Plusoptix photoscreener: a cross-sectionals population-based study Br J Ophthalmol 2012; 96:83-86

Patient age 6 to 36 months (mean patient age 16.95 ±8.59 months)

Mean difference of sphere:
+0.05 ±1.05D; p=0.43

Mean difference of cylinder:
-0.43 ±0.58D; P=0.01

Mean difference of spherical equivalent:
-0.16 ±1.0D; p=0.01

2011 Detecting Small Angle Strabismus With The Plusoptix Photoscreener AAPOS 2011 Poster#042

Patient age 6 months to 18 years

Mean difference of prism diopters:
0.39 PD to near cover-test (95% CI -0.72 to +1.51; p=0.49)
0,17 PD to distance cover-test (95% CI -1.17 to +0.82; p=0.73)

2010 Screening for refractive errors in children: The plusoptiX S08 and the Retinomax K-plus2 performed by lay screener compared to cycloplegic retinoscopy J AAPOS 2010; 14:478-483

Patient age 3 months to 11 years (mean patient age 5.2 ±2.6 years)

Mean difference of spherical equivalent:
-1.13 ±1.25D (95% CI -3.59 to +1.32)

Mean difference of cylinder:
-0,23 ±0,53D (95% CI -1.28 to +0.81)