Exam

Pinhole Test

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Pinhole Test

  • Indications
  1. Decreased Visual Acuity in children
  2. Differentiates Refractive Error from other defects
    1. Example: Amblyopia
  • Technique
  1. Check vision initially with eye charts per age
    1. See Pediatric Vision Screening for appropriate tests
  2. Perform Pinhole Test if vision <20/20
    1. Test each eye individually
    2. Child repeats eye chart while looking through pinhole
  • Interpretation
  1. Pinhole significantly improves vision
    1. Suggests Refractive Error
  2. Pinhole does not improve vision
    1. Suggests Amblyopia or other non-refractive cause