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Kim and Chae: The Surgical Outcome of Metallic Intraocular Foreign Body due to Trauma
Original Article
Journal of the Korean Ophthalmological Society

Journal of the Korean Ophthalmological Society 2012; 53(3): 460-465.

Published online: 15 March 2012

DOI: https://doi.org/10.3341/jkos.2012.53.3.460

The Surgical Outcome of Metallic Intraocular Foreign Body due to Trauma

Kyung Tae Kim, MD, Ju Byung Chae, MD

Department of Ophthalmology, College of Medicine, Chungbuk National University, Cheongju, Korea.

Address reprint requests to Ju Byung Chae, MD. Department Ophthalmology, Chungbuk National University Hospital, #776 Sunhwan-ro 1, Heungdeok-gu, Cheongju 361-711, Korea. Tel: 82-43-269-6333, Fax: 82-43-264-5263, jbchae@chungbuk.ac.kr

Received 27 May 2011       Accepted 13 February 2012

Copyright © 2012 The Korean Ophthalmological Society

Abstract

Purpose

To investigate the outcome of surgery for a metallic intraocular foreign body and prognostic factors for visual acuity.

Methods

A retrospective chart review was performed on 47 eyes of 47 patients who underwent surgical removal of a metallic intraocular foreign body (IOFB) after eyeball laceration between 2000 and 2010. We investigated the location and size of eyeball lacerations, the location of IOFB, the clinical findings at initial examination, surgical methods and best corrected visual acuity. We analyzed the prognostic factors for final visual acuity.

Results

The mean age was 45 years, and the most common cause of IOFB was lawnmower use. Cornea (77%) was the most frequently involved structure, and hyphema (72%) was the most common finding at initial slit lamp examination. Retina was the most common site of IOFB. The average visual acuity was 0.17 ± 0.49 before surgery, and the final visual acuity was 0.23 ± 0.39. Good visual prognosis was observed when the initial visual acuity was good or when the IOFB was located in the anterior segment, but the prognosis was poor when there was a vitreous opacity compromised with endophthalmitis at initial examination.

Conclusions

An IOFB should be removed as soon as possible. Good initial visual acuity and anterior segment IOFB are good prognostic factors of visual outcome.

Keywords: Metallic intraocular foreign body, Prognostic factor, Visual acuity

Figures and Tables

Table 1
Wound and examination characterist
jkos-53-460-i001

Values are presented as number (%).

Table 2
Initial surgical management
jkos-53-460-i002

Values are presented as number (%).

PCIOL = posterior chamber intraocular lens.

Table 3
Subsequent surgical management following initial repair
jkos-53-460-i003

Values are presented as number (%).

IOL = intraocular lens; SO = silicone oil

Table 4
Univariate analysis of factors associated with good visual outcome
jkos-53-460-i004

Values are presented as number (%).

VA = visual acuity; IOFB = intraocular foreign body.

*Chi-square test.

Table 5
Univariate analysis of factors associated with poor visual outcome
jkos-53-460-i005

Values are presented as number (%).

VA = visual acuity; IOFB = intraocular foreign body.

*Chi-square test.

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