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. Author manuscript; available in PMC: 2008 Jul 1.
Published in final edited form as: Invest Ophthalmol Vis Sci. 2007 Jul;48(7):3115–3125. doi: 10.1167/iovs.06-1009

Table 8.

Failure Criteria for the Year 1 Test of VA from the Single or Combined Screening Test

Age
Specificity Setting 3 y 4 y 5 y
Lea VA 90% Single test 10/32 10/20 10/20
90% Combined with CT 10/16 10/32 10/20
94% Single test 10/32 10/25 10/20
93% Combined with CT 10/32 10/32 10/20
HOT VA 90% Single test 10/25 10/25 10/20
90% Combined with CT 10/32 10/25 10/20
93% Single test 10/32 10/32 10/25
91% Combined with CT 10/32 10/32 10/20

Any child whose acuity score was equal to or worse than the value shown was scored as failing the screening test.