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Published on: July 15, 2009
Comparison between motility of biointegratable and silicone orbital implants
Miguel González-Candial1, Maria Andrea Umaña, Carlos Galvez
1Division of Orbital and Ophthalmic Plastic Surgery, Instituto de Microcirugía Ocular, Barcelona, Spain. mig1@excite.com <mig1@excite.com>
American Journal of Ophthalmology
|March 28, 2007
Summary
Biointegratable orbital implants showed no motility advantage over silicone implants in ocular evisceration patients without pegging. Silicone implants demonstrated greater superior gaze excursion compared to biointegratable implants.
Area of Science:
- Ophthalmology
- Biomaterials Science
Background:
- Ocular evisceration involves implant placement to restore orbital volume.
- Motility is a key functional outcome for orbital implants.
Purpose of the Study:
- To compare the motility of biointegratable orbital implants versus traditional silicone implants.
- To evaluate implant performance after ocular evisceration.
Main Methods:
- Retrospective comparative study design.
- Motility assessed by measuring conjunctival mark excursion on implants.
- Comparison between silicone and biointegratable implants in eviscerated patients.
Main Results:
- Silicone implants exhibited greater excursion in inferior, medial, and superior gaze compared to biointegratable implants.
- The most significant difference was observed in superior gaze (1.5 mm greater excursion with silicone).
- No significant differences in horizontal or vertical movements were noted between implant types.
Conclusions:
- Biointegratable implants offer no apparent motility advantage over silicone implants when 'pegging' is not utilized.
- Further research is needed to fully elucidate the functional differences between these implant materials.
