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Visual illusion mimicking dyslexia. A case history
Acta Ophthalmologica
|October 1, 1985
Summary
A rare visual illusion caused a 14-year-old girl's reading difficulties. A simple visual aid resolved the illusion and reading problems, which resolved permanently by age 15.
Area of Science:
- Ophthalmology
- Neuroscience
- Developmental Psychology
Background:
- Reading difficulties can stem from various causes, including visual processing issues.
- Typical visual maturation is considered complete by adolescence.
Observation:
- A 14-year-old presented with central visual field illusory movement, impacting reading.
- A 26 mm magnifier with a reference point temporarily corrected the visual disturbance.
Findings:
- The patient's visual illusion and reading difficulties resolved spontaneously after 19 months of using the visual aid.
- Complete resolution occurred by age 15, beyond the typical period of visual function maturation.
Implications:
- This case highlights visual illusions as a potential, albeit rare, cause of reading impairment.
- Diagnosis of such visual illusions is crucial for appropriate, non-standard dyslexia treatment.