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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: Prog Retin Eye Res. 2012 Nov 29;33:67–84. doi: 10.1016/j.preteyeres.2012.11.001

Figure 1.

Figure 1

In the<3-year-old cohort,(Birch and Holmes, 2010) 82% of amblyopia was associated with strabismus, 5% with anisometropia, and 13% with combined mechanisms. This finding is strikingly different from the PEDIG 3- to 6-year-old cohort,(Pediatric Eye Disease Investigator Group, 2002a) where only 38% of amblyopia was associated with strabismus, 37% with anisometropia, and 24% with combined mechanism (p<0.001 for each of the 3 paired comparisons). Among children with strabismus in the <3-year-old cohort, 62% had infantile esotropia (onset ≤6 months of age), 22% had accommodative esotropia, 10% had acquired nonaccommodative esotropia (onset ≥7 months of age), and 6% had other types of strabismus.