TABLE 2

Amblyopia Risk Factor Targets Recommended by the American Association for Pediatric Ophthalmology and Strabismus

Refractive Risk Factor Targets
Age, moAstigmatism, DHyperopia, DAnisometropia, DMyopia, D
12–30>2.0 >4.5 >2.5 >−3.5
31–48>2.0 >4.5 >2.0 >−3.0
>48>1.5 >3.0 >1.5 >−1.5
Nonrefractive Risk Factor Targets
All agesMedia opacity >1 mm
Manifest strabismus >8 prism D in primary position
  • D, diopters

  • From Donahue et al.13