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Initial rapid decrease in visual acuity in siblings with Stargardt's disease

S Hayasaka1, H Kurome, S Noda

  • 1Department of Ophthalmology, Shimane Medical University, Japan.

Japanese Journal of Ophthalmology
|January 1, 1993
PubMed
Summary
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Rapid vision loss in children can indicate Stargardt disease. This study highlights two siblings experiencing swift visual decline, emphasizing the need to consider this condition in differential diagnoses for rapid visual acuity reduction.

Area of Science:

  • Ophthalmology
  • Medical Genetics

Background:

  • Stargardt disease is a common inherited macular dystrophy.
  • Typically presents with gradual central vision loss.
  • Autosomal recessive inheritance pattern is common.

Observation:

  • Two siblings (8-year-old boy, 5-year-old sister) presented with rapid bilateral visual decrease over 3 months.
  • Parents reported a consanguineous relationship.
  • Clinical examination revealed bilateral macular changes and blocked choroidal fluorescence.

Findings:

  • Both siblings exhibited normal color vision.
  • Electroretinography (ERG) showed normal or subnormal responses.
  • Electro-oculography (EOG) revealed subnormal responses.

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Implications:

  • This case series suggests Stargardt disease can manifest as a rapid decrease in visual acuity.
  • Highlights the importance of considering Stargardt disease in pediatric patients with acute vision loss.
  • Further research may elucidate genetic factors influencing the rate of visual decline in Stargardt disease.