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Lens siderosis resulting from a tiny missed intralenticular foreign body
Tsung-Tien Wu1, Ya-Hsin Kung, Shwu-Jiuan Sheu
1Department of Ophthalmology, Kaohsiung Veterans General Hospital, Kaohsiung, and National Yang-Ming University School of Medicine, Taipei, Taiwan, R.O.C. ttwu@isca.vghks.gov.tw
Journal of the Chinese Medical Association : JCMA
|February 3, 2009
Summary
A patient presented with ocular siderosis but no detectable intraocular foreign body. A tiny metallic fragment was later found in the lens, emphasizing close follow-up for suspected eye injuries.
Area of Science:
- Ophthalmology
- Medical Imaging
- Trauma Care
Background:
- Ocular siderosis is a condition caused by intraocular foreign bodies containing iron.
- Early detection of intraocular foreign bodies is crucial for preventing vision loss.
Observation:
- A 24-year-old male sustained a corneal injury from hammering metal.
- Initial examination and imaging (CT, ultrasonography) failed to detect an intraocular foreign body.
- Lens siderosis and cataract developed approximately one month post-injury.
Findings:
- A small, intralenticular metallic foreign body was discovered and removed during cataract surgery.
- Post-removal, the patient's visual acuity improved significantly from 6/20 to 6/6.
Implications:
- This case highlights the challenge of detecting small or intralenticular foreign bodies.
- Close clinical follow-up is essential for patients with suspected intraocular foreign bodies, even with negative initial imaging.
- Timely removal of foreign bodies can prevent complications like siderosis bulbi and preserve vision.
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