Home

2021 AAPOS Uniform Guidelines | 2013 | 2003.

Amblyogenic factors to be detected by 2021 screening:
Anisometropia (spherical of cylindrical) > 1.25 D
Any manifest strabismus > 8PD
Hyperopia > 4.0 D in any meridian
Myopia magnitude > 3.0 D in any meridian age <4y
Myopia of 2 diopters or more >48 months
Astigmatism > 3 D age <4y
Astigmatism > 1.75 D older than 48 months
Media opacity > 1 mm
Visual acuity: per age-appropriate standards*

Report presence of amblyopia

Prevalence of 2003 Risk Factors

Photoscreening Flowchart (JPOS 51:46-52, 2014)

ABCD introduction to Validation (2021)

ABCD Excel Validation grid (download)

ABCD 2021 Validation Assistant (Excel template)

ABCD History

Kids Eye Disorders

Amblyopia

Vision Screening

Issues

ABCD Clinics

References

Sensitivity A/(A+C)
Specificity D/(D+B)
Positive Predictive Value A/(A+B)
Negative Predictive Value D/(C+D)
Prescreening Probability (A+C)/N
ABCD sensitivity A/(A+C+E+F)
ABCD specificity D/(D+B+E+F)

Alaska Med 45(3):34-45

ir-Sens (A+E+F)/(A+C+E+F)

irSpec (D)/(D+B+E+F)

Contact ABCD

JPOS 51:46-52 2014

VIDEO Education

Excel Grid download

Excel 2021 Valid Assist

2021 GSE AAPOS blinq