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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: Optom Vis Sci. 2011 Jul;88(7):830–836. doi: 10.1097/OPX.0b013e3182192658

Table 4.

Failure Criteria for the Palm-AR and Retinomax Autorefractors Screening Tests to Maximize Sensitivity with Specificity Set at 90% and 94%.

Instrument Hyperopia Myopia Astigmatism Anisometropia
Palm-AR
 90% specificity ≥1.00 D ≥3.75D ≥2.00 D ≥2.50 D
 94% specificity ≥1.50 D ≥3.75D ≥2.00 D ≥2.50 D
Retinomax
 90% specificity ≥1.25 D ≥3.25D ≥1.25 D ≥1.75 D
 94% specificity ≥1.25 D ≥3.50D ≥2.50 D ≥1.50 D