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Related Experiment Video

Updated: May 12, 2026

Emission Spectroscopic Boundary Layer Investigation during Ablative Material Testing in Plasmatron
09:41

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Published on: June 9, 2016

Manuel's asteroid disruption technique.

Manuel John1, Abraham Ipe, Ivan Jacob

  • 1Professor, Department of Ophthalmology, Pushpagiri Medical College, Tiruvalla, Kerala, India.

Indian Journal of Ophthalmology
|April 11, 2013
PubMed
Summary
This summary is machine-generated.

YAG posterior capsulotomy and vitreous asteroid disruption improved vision in a patient with dense asteroid hyalosis. This safe and effective treatment offers a potential solution for visual impairment caused by asteroid hyalosis.

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Area of Science:

  • Ophthalmology
  • Vitreoretinal Surgery

Background:

  • Dense asteroid hyalosis can significantly impair vision, making standard diagnostic measurements difficult.
  • Cataract surgery in one eye did not resolve visual issues in this patient.

Observation:

  • A 70-year-old male presented with severe visual impairment due to bilateral dense asteroid hyalosis.
  • Standard autorefraction and retinoscopy were unrecordable, and subjective visual improvement was not achieved prior to intervention.

Findings:

  • Immediate vision improvement to 20/20 was achieved post-YAG posterior capsulotomy and anterior vitreous asteroid disruption.
  • Diagnostic measurements (autorefractor, retinoscopy) became recordable after the procedure.

Implications:

  • YAG capsulotomy and vitreous disruption appear to be a simple, safe, and effective treatment for visual impairment from dense asteroid hyalosis.
  • Further controlled, prospective studies are warranted to confirm the long-term safety and efficacy of this intervention.