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Related Experiment Videos

Myopia predicts better outcome in persistent hyperplastic primary vitreous

J C Cheung1, C G Summers, T L Young

  • 1Department of Ophthalmology, University of Minnesota, Minneapolis 55455, USA.

Journal of Pediatric Ophthalmology and Strabismus
|May 1, 1997
PubMed
Summary

Persistent hyperplastic primary vitreous (PHPV) with myopia presents later but offers better visual outcomes. Myopic PHPV eyes avoid common complications like glaucoma and retinal detachment, suggesting a unique management strategy.

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Area of Science:

  • Ophthalmology
  • Congenital Ocular Disorders
  • Pediatric Eye Care

Background:

  • Persistent hyperplastic primary vitreous (PHPV) is a congenital eye anomaly.
  • It often leads to severe vision loss due to cataracts, microphthalmia, glaucoma, and retinal detachment.

Purpose of the Study:

  • To evaluate the visual outcomes of a specific variant of PHPV characterized by myopia.
  • To compare outcomes in myopic PHPV eyes versus non-myopic PHPV eyes.

Main Methods:

  • Retrospective review of 23 unilateral PHPV cases (1992-1995).
  • Patients underwent cataract extraction and amblyopia therapy.
  • Myopic eyes were defined by refractive error post-surgery.

Main Results:

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  • Six patients (Group 1) had myopic PHPV; 17 (Group 2) did not.
  • Group 1 (myopic) had later diagnosis (21.1 vs 2.0 months), longer axial length (22.46 vs 14.03 mm), and larger corneal diameter (11.3 vs 8.9 mm).
  • Group 1 achieved better final visual acuity (20/160 median) and avoided glaucoma/retinal detachment, unlike Group 2.

Conclusions:

  • Myopic PHPV eyes are diagnosed later due to less media opacity and near-normal corneal size.
  • These eyes exhibit a more favorable visual prognosis with fewer complications.
  • Management strategies for myopic PHPV may need to differ from typical PHPV cases.