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