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Enucleation volume measurement

¹Royal Eye Infirmary, Plymouth, England.

Ophthalmic Plastic and Reconstructive Surgery

|March 1, 1997

Summary

This summary is machine-generated.

Orbital implant volumes often exceed the typical 7 ml estimate. Accurately measuring enucleation volume is crucial for selecting appropriate orbital implant sizes to prevent postenucleation socket syndrome.

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Area of Science:

Ophthalmology
Ocularistry
Biomedical Engineering

Background:

The standard enucleation volume is often cited as 7 ml.
Conventional orbital implant sizes may not accurately match individual patient anatomy.
Postenucleation socket syndrome (PSS) can arise from ill-fitting implants.

Purpose of the Study:

To accurately measure the enucleation volume of human eyes.
To determine if the commonly quoted enucleation volume is sufficient for current orbital implant practices.
To provide evidence for adjusting orbital implant selection based on measured enucleation volume.

Main Methods:

Water displacement method was used to measure the volume of 17 enucleated human eyes.
Comparison of measured volumes with the standard 7 ml estimate.

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Main Results:

The measured enucleation volume for the 17 eyes ranged from 8-9 ml.
This indicates an excess volume of 1-2 ml compared to the commonly quoted 7 ml.
The findings suggest a consistent underestimation of actual enucleation volumes.

Conclusions:

Routine measurement of enucleation volume is recommended.
Orbital implant volumes should be carefully selected based on individual measured enucleation volumes.
Accurate volume matching can help mitigate the development of postenucleation socket syndrome.