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Alaska Blind Child Discovery

A cooperative, charitable research project to vision screen every preschool Alaskan
 

Prevalence of Risk Factors

 
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2003 Risk Factor Definition (Consensus Committee Report)

 

Anisometropia

Hyperopia

Astigmatism

Myopia

Strabismus

Acuity

Total

AAPOS# 2003 preK

>1.5D

>3.5D

>1.5 axial, >1.0 oblique

>3.0D

Manifest >8 pd

< 20/40, 2 line diff

 

Prevalence*

2.0%

8.4%

10.4%

1.0%

3.1%

13.5%

25.3%

 

#Donahue S, Arnold R, Ruben JB. Preschool vision screening: What should we be detecting and how should we report it? Uniform guidelines for reporting results from studies of preschool vision screening. J AAPOS. 2003;7(5):314-315.

*Varma R: Amblyopia refractive risk factors (letter reply). Ophthalmol 2012, 119(6):1283-1284.

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Arnold RW: Amblyopia risk factor prevalence. J Pediatr Ophthalmol Strabismus 2013, 50(4):213-217. Validation Grid
 
           
 
Donahue SP, Arthur B, Neely DE, Arnold RW, Silbert D, Ruben JB: Guidelines for automated preschool vision screening: A 10-year, evidence-based update. J AAPOS 2013, 17(1):4-8.  
 
 
 
           
 
           
 
           
 
           
 
           

 

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