Ophthalmology Book

Anatomy

Corneal Disorders

Eyelid Disorders

Lacrimal Disorders

Miscellaneous

Retinal Disorders

Sclera Disorders

Traumatic Injury

Vision Disorders

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Pinhole Test

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  1. Indications
    1. Decreased Visual Acuity in children
    2. Differentiates Refractive Error from other defects
      1. Example: Amblyopia
  2. 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
  3. Interpretation
    1. Pinhole significantly improves vision
      1. Suggests Refractive Error
    2. Pinhole does not improve vision
      1. Suggests Amblyopia or other non-refractive cause

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