Siderosis bulbi. Presentación clínica de un caso de tres años de evolución

Durán, M. Asencio; Vázquez-Colomo, P.C.; Armadá-Maresca, Felix; Fonseca-Sandomingo, A.

doi:10.1016/j.oftal.2011.09.016

Cited by 5 publications

(4 citation statements)

References 4 publications

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“…It is known that the progression of ocular siderosis is arrested by the removal of an IOFB. [ 5 ] However, in this case report, we describe a rare progression of ocular siderosis even after removal of the iron-containing foreign body.…”

Section: Discussionmentioning

confidence: 90%

Optical coherence tomographic findings of ocular siderosis following intraocular foreign body removal

Lee¹,

Kim²

2020

Medicine

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Rationale: Ocular siderosis is arrested by the removal of intraocular foreing body (IOFB). The progression of ocular siderosis is very rare and few reports demonstrate the optical coherence tomographic (OCT) findings. Patient concerns: A 55-year-old Asian man presented to our clinic with the chief complaint of decreased vision in his left eye for 5 months. On slit lamp examination of the left eye, the corneal stroma had a rust-colored hue, and the retina was not visible due to vitreous opacity. An orbital computed tomography was ordered considering the possibility of left IOFB, which confirmed the presence of a vitreous IOFB. On the next day, he had a continuous curvilinear capsulorrhexis with phacoemulsification and intraocular lens implantation, pars plana vitrectomy, and removal of IOFB in the left eye. Six years later, he revisited our clinic. On slit lamp examination, the corneal haziness had worsened, and the iris showed heterochromia resembling the spokes of a wheel in the left eye. Diagnosis: Ocular siderosis. Intervention: Anterior and posterior segment OCT was performed. Outcomes: The anterior segment OCT showed linear hyperreflectivity on the anterior corneal stroma just beneath the Bowman's layer. The posterior segment OCT showed inner retinal degeneration observed at the parafoveal area. Lessons: Ocular siderosis progression can happen after the removal of IOFB. The swept source OCT might be useful to assess the cornea and retina in ocular siderosis patient with corneal haziness.

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Section: Discussionmentioning

confidence: 90%

Optical coherence tomographic findings of ocular siderosis following intraocular foreign body removal

Lee¹,

Kim²

2020

Medicine

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“…OS is an uncommon condition and may appear from 18 days up to many years after a penetrating ocular injury with retention of a metallic foreign body [ 5 ]. The longest duration between the ocular injury and the diagnosis of OS was 12 years in this series.…”

Section: Discussionmentioning

confidence: 99%

“…Removal of the IOFB should be strongly entertained in eyes with diminished ERGs and a mobile foreign body in the vitreous or a nonencapsulated foreign body on the retina [ 3 ]. Surgical technique for removal of the retained IOFB is dependent on the site and nature of the IOFB, the clarity of the lens, and whether or not the IOFB is embedded in the retina [ 5 ]. The removal may be done via an external approach (sclerotomy with large electromagnet) or an internal approach (vitrectomy followed by forceps or internal magnet use).…”

Section: Discussionmentioning

confidence: 99%

Management of Ocular Siderosis: Visual Outcome and Electroretinographic Changes

Kannan

Adenuga

Rajan

et al. 2016

Journal of Ophthalmology

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Purpose. Ocular siderosis (OS) is a sight threatening complication of retained iron-containing Intraocular Foreign Body (IOFB). Successful localization of the IOFB and timely removal are crucial to its management. The purpose of this study was to review the presentation, management, and outcome of OS at our institution. Methods. A retrospective case series of eyes with OS that underwent IOFB removal from January 2009 to March 2015 at our institution. Results. OS was seen in 9 eyes of 9 patients during the study period. There were 8 males and 1 female with an age range of 31.6 years. An IOFB was in all the eyes. The most common features of siderosis were cataract and pigmentary retinopathy seen in 6 (67%) and 4 (44%) eyes, respectively. Electroretinogram (ERG) readings were reduced in the 9 eyes. The IOFB was removed by pars plana vitrectomy in all the cases with improvement in ERG amplitudes occurring postoperatively in 7 (78%) eyes. Conclusion. A retained iron-containing IOFB can manifest itself after several years with features of OS. A careful clinical and radiologic evaluation is imperative in patients with history suggestive of penetrating ocular injury to rule out retained or occult IOFB and thus prevent this catastrophic condition.

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“…The removal of IOFB can stop the progression of siderosis, 17 and our goal is to discover and remove the IOFB in cases of siderosis bulbi without delay. In spite of a conservative approach adopted in cases of small, local bodies with quiet eyes.…”

Section: Discussionmentioning

confidence: 99%

Ocular Trauma Score in Siderosis Bulbi With Retained Intraocular Foreign Body

et al. 2015

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The purpose of this study was to investigate the clinical characteristic and visual outcome of siderosis bulbi with retained intraocular foreign body (IOFB) and to validate the predictive value of the Ocular Trauma Score (OTS) in siderosis bulbi. Certain numerical values rendered to the OTS variables at present were summated (Table 1) and converted into 5 OTS categories as performed in the OTS study. The prognostic value of OTS was first assessed in cases of siderosis bulbi resulting from a chemical reaction of retained IOFBs. Twenty-four eyes of 24 patients diagnosed with siderosis bulbi who underwent surgery between 2007 and 2013 at our medical centre were reviewed. Due to patients’ ignorance in ocular injuries, delayed presentation by the patient (54.17%) and no history of trauma (16.67%) were the most common cause of siderosis bulbi with IOFB retention. The main symptom of all these patients was impaired vision. The most common complications were cataract (23/24, 95.83%), followed by retinal pigmentary degeneration (15/22, 68.18%), iris heterochromia (14/24, 58.33%), pupillary mydriasis (10/21, 47.62%), secondary glaucoma (6/24, 25.00%), relative afferent pupillary defect (6/24, 25.00%), and retinal detachment (3/24, 12.50%). IOFBs were removed in 22 eyes (91.67%), except 2 enucleated eyes with absolute glaucoma (8.33%). Among all the patients (24 eyes), the best-corrected visual acuity improved in 63.64%, unchanged in 18.18% and deteriorated in 18.18% after surgical intervention. No statistically significant difference was found between the categorical distributions of our patients and those in the OTS study group.Further promotion and education on eye protection are needed to minimize visual loss from siderosis bulbi. The OTS, which was designed to predict visual outcomes of general ocular trauma, may also provide reliable information about the prognosis of siderosis bulbi resulting from a chemical reaction of retained IOFBs.

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Siderosis bulbi. Presentación clínica de un caso de tres años de evolución

Cited by 5 publications

References 4 publications

Optical coherence tomographic findings of ocular siderosis following intraocular foreign body removal

Optical coherence tomographic findings of ocular siderosis following intraocular foreign body removal

Management of Ocular Siderosis: Visual Outcome and Electroretinographic Changes

Ocular Trauma Score in Siderosis Bulbi With Retained Intraocular Foreign Body

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