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Related Experiment Videos

The hydroxyapatite orbital implant: a prospective study

J L Ashworth1, M Rhatigan, R Sampath

  • 1Manchester Royal Eye Hospital, UK.

Eye (London, England)
|January 1, 1996
PubMed
Summary
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Hydroxyapatite orbital implants are well-tolerated for artificial eye motility. This study confirms their low complication rate for both primary and secondary orbital implant procedures.

Area of Science:

  • Ophthalmology
  • Biomaterials Science
  • Surgical Innovation

Background:

  • The hydroxyapatite orbital implant, introduced in 1989, has demonstrated good tolerance and low complication rates as a primary implant.
  • Previous findings suggest favorable outcomes regarding artificial eye motility and implant integration.

Purpose of the Study:

  • To prospectively evaluate the clinical outcomes of hydroxyapatite orbital implants used as both primary and secondary implants.
  • To assess the implant's performance concerning motility, cosmesis, and complication rates in a diverse patient cohort.

Main Methods:

  • A prospective study involving 60 patients implanted between October 1992 and November 1994.
  • Patients received either primary (n=28) or secondary (n=32) hydroxyapatite orbital implants, with 7 undergoing subsequent drilling and pegging.

Related Experiment Videos

  • Standardized operative and post-operative protocols were followed, with evaluations including enophthalmos, lid sulcus deformity, prosthesis motility, implant position, socket status, and cosmesis.

    • Main Results:

    • The hydroxyapatite orbital implant demonstrated excellent artificial eye motility and good cosmetic results.
    • A low rate of complications was observed for both primary and secondary implant placements.
    • Patient and surgeon subjective assessments indicated high satisfaction with the overall aesthetic and functional outcomes.

    Conclusions:

    • Hydroxyapatite orbital implants are effective and well-tolerated for both primary and secondary orbital reconstruction.
    • The implant provides superior motility and cosmesis with minimal complications, enhancing patient satisfaction.
    • This study supports the continued use of hydroxyapatite implants in orbital socket reconstruction.