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[Ophthalmologic implants--a risk at high altitudes?].

P Frank, J Draeger

    Klinische Monatsblatter Fur Augenheilkunde
    |December 1, 1986
    PubMed
    Summary
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    Ophthalmological implant materials were tested at high altitudes. While spherical prostheses remained stable, scleral sponge material released bubbles during decompression, posing a risk during rapid pressure changes.

    Area of Science:

    • Ophthalmology
    • Biomaterials Science
    • Aerospace Medicine

    Context:

    • Investigating the effects of extreme environmental conditions on medical devices.
    • Assessing the suitability of ophthalmological implants for high-altitude conditions.
    • Evaluating material integrity under simulated flight conditions.

    Purpose:

    • To determine the impact of high-altitude exposure on the physical properties of common ophthalmological implant materials.
    • To identify potential risks associated with implant material behavior during decompression events.
    • To inform the design and selection of ophthalmic implants for environments with significant pressure variations.

    Summary:

    • Spherical prostheses showed minimal volume change when exposed to altitudes up to 48,000 feet.

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  • Scleral sponge material, used in retinal detachment surgery, released gas bubbles upon decompression.
  • These findings suggest that while most implants are stable, specific materials may be susceptible to decompression-related effects.

    • Impact:

    • Highlights the importance of considering decompression effects for specific ophthalmic materials, particularly scleral sponges.
    • Suggests that the clinical relevance of observed effects is primarily associated with rapid decompression scenarios.
    • Informs material selection and surgical planning for procedures in environments with potential for rapid pressure changes, such as aviation.