Rajamohan, M (2010) Intraocular foreign bodies retained in the posterior segment clinical features, management options and prognostic factors. Masters thesis, Institute of Ophthalmology, Joseph Eye Hospital, Tiruchirapalli.
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Abstract
INTRODUCTION: Penetrating ocular injuries associated with intraocular foreign bodies (IOFBs) constitute a significant proportion of eye trauma requiring urgent medical and surgical attention. The first report of intraocular foreign body was made as early as 1891 by Critchett. The foreign body isolated being a fingernail. Doyne in 1894 reported a foreign body being present in the lens for thirty years. Cunningham who reported an intraocular foreign body during the war in 1916. Several types of foreign bodies were reported in between, like pieces of whiplash by Hutchinson in 1889. AIM OF THE STUDY: To describe mode of management of posterior segment intraocular foreign body (IOFB) injuries and identify prognostic factors for visual outcome. MATERIALS AND METHODS Design This was a prospective, noncomparitive interventional case series conducted at the retina department Joseph Eye Hospital, institute of ophthalmology, Trichy. Procedures Records of patients with PSIOFB seen between January 2007 to June 2009 were reviewed for clinical characteristics, surgical intervention, and outcome. 20 Eyes of 20 Patients with posterior segment intraocular foreign bodies were included in this study. Various data were collected and documented Main outcome measures Final best corrected visual acuity Inclusion criteria Confirmed presence of retained posterior segment foreign body. Removal of PSIOFB with or without additional procedures Follow up of minimum 6 months. Exclusion criteria were; • Anterior segment foreign body. • Intralenticular foreign body • Scleral IOFB, and eyes with double scleral perforations Patients with magnetic PSIOFB with follow up< 6 months • Orbital foreign body • Foreign bodies associated with severe globe injuries and disorganization of the globe. • Patients who did not undergo IOFB removal A detailed history was taken based on various factors and history regarding any previous treatment was also taken. This was followed by a detailed clinical examination A physical assessment was done to note any other bodily injury. CONCLUSION: Several prognostic factors were identified in our study which helped in predicting the final visual out come. Most of these factors were independent of intervention and can be identified at the time of presentation. We found a gender preponderance of 100% male in our study Mean age is 29.05 years Significant predictors of final BCVA in our study are • Mode of injury-P value=0.02 • Composition of PSIOFB-P value=0.007 • Presenting visual acuity-P value=0.04 • Initial wound size-P value=0.02 • Vitreous hemorrhage-P value=0.03 Factors that did not significantly affect final visual outcome are • Location of PSIOFB-P value=0.058 • No. of PSIOFB-P value=0.45 • Site of perforation-P value=0.9 • Time of arrival-P value=0.27 • Retinal detachment-P value=0.42 • Primary wound repair-P value=0.27
| Item Type: | Thesis (Masters) |
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| Uncontrolled Keywords: | Intraocular foreign bodies; posterior segment |
| Subjects: | MEDICAL > Ophthalmology |
| Depositing User: | Devi S |
| Date Deposited: | 17 Jan 2018 12:04 |
| Last Modified: | 17 Jan 2018 12:04 |
| URI: | http://repository-tnmgrmu.ac.in/id/eprint/5486 |
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