October 1993
Volume 34, Issue 11
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Articles  |   October 1993
Levodopa/carbidopa for childhood amblyopia.
Author Affiliations
  • L E Leguire
    Department of Ophthalmology, Children's Hospital, Columbus, Ohio 43205.
  • G L Rogers
    Department of Ophthalmology, Children's Hospital, Columbus, Ohio 43205.
  • D L Bremer
    Department of Ophthalmology, Children's Hospital, Columbus, Ohio 43205.
  • P D Walson
    Department of Ophthalmology, Children's Hospital, Columbus, Ohio 43205.
  • M L McGregor
    Department of Ophthalmology, Children's Hospital, Columbus, Ohio 43205.
Investigative Ophthalmology & Visual Science October 1993, Vol.34, 3090-3095. doi:
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    • Get Citation

      L E Leguire, G L Rogers, D L Bremer, P D Walson, M L McGregor; Levodopa/carbidopa for childhood amblyopia.. Invest. Ophthalmol. Vis. Sci. 1993;34(11):3090-3095.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

PURPOSE: To evaluate the efficacy and tolerance of two low doses of levodopa/carbidopa (25/6.25 mg, 50/12.5 mg) and placebo (Tums) in 20 children with amblyopia between the ages of 4 and 14 years. METHODS: A double-masked placebo-controlled randomized 8-hour study was performed during which subjects received one of two doses of levodopa/carbidopa or placebo, combined with occlusion of the dominant eye. Visual acuity was measured at baseline and at 1 and 5 hours after capsule ingestion. Tolerance was assessed by questionnaire and physical examination. RESULTS: Visual acuity significantly improved by one line, from an overall average of 20/121 to 20/96, in the amblyopic eyes of both groups that received levodopa/carbidopa. Visual acuity did not significantly change in the placebo group. Tolerance was similar among all three groups. CONCLUSION: Average dose levels of 0.95/0.24 mg/kg and 1.94/0.49 mg/kg of levodopa/carbidopa were found to be well tolerated and efficacious at temporarily improving visual acuity in amblyopic eyes of children.

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