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Lenticular chalcosis--electron microscopic and microprobe analysis. A case report.
B A Staples1, F Potgieter, L J Duyvené de Wit
1Department of Ophthalmology, University of the Orange Free State, Bloemfontein.
Summary
A retained intra-ocular foreign body caused copper deposition in the lens capsule. Electron microprobe analysis efficiently identified foreign body contents, aiding diagnosis of lenticular chalcosis.
Area of Science:
- Ophthalmology
- Materials Science
- Analytical Chemistry
Background:
- Intra-ocular foreign bodies can lead to secondary ocular pathologies.
- Lenticular chalcosis, or copper deposition in the lens, is a rare condition.
- Accurate identification of foreign body composition is crucial for patient management.
Observation:
- A patient presented with a retained intra-ocular foreign body.
- Lens extraction was performed due to suspected lenticular chalcosis.
- Electron microscopy revealed copper particles within the lens capsule's basement membrane.
Findings:
- Electron microscopy confirmed copper particle deposition in the lens capsule basement membrane.
- Electron microprobe analysis provided efficient qualitative and quantitative assessment of the foreign body's composition.
- This analysis identified the specific elements comprising the intra-ocular foreign body.
Implications:
- Electron microprobe analysis is a valuable tool for analyzing intra-ocular foreign bodies.
- Understanding foreign body composition aids in diagnosing and managing ocular conditions like lenticular chalcosis.
- This technique can improve diagnostic accuracy and guide treatment strategies for eye injuries involving metallic foreign bodies.