- Case report
- Open Access
- Open Peer Review
Partially absorbed cataractous lens in the anterior chamber revealing neglected severe ocular contusion: a case report
© The Author(s). 2017
- Received: 8 December 2016
- Accepted: 30 October 2017
- Published: 6 November 2017
Ocular contusion can produce severe lesions, which if not treated appropriately and promptly, can lead to visual impairment. Ocular contusion in childhood may not be reported by children.
A 27 year old female presented with a partially absorbed cataractous lens that was dislocated into the anterior chamber of her left eye. There was mild anterior chamber reaction. She reported no history of ocular trauma; but associated findings and further investigations were in favour of a post-traumatic aetiology.
All ocular injuries require a detailed ophthalmological examination to assess vision and the extent of lesions.
- Retinal detachment
- Ocular contusion
- Case report
Ocular trauma is a major cause of ocular morbidity. Worldwide, approximately 1.6 million people are bilaterally blind, 2.3 million are bilaterally visually impaired and almost 19 million have unilateral blindness or visual impairment due to trauma . Eye injuries are a leading cause of non-congenital unilateral blindness in children .
Aetiologically, such injuries are mostly accidental in children, unlike intentional violent assault in adults. Such accidental injuries, if not reported by the child, can go unnoticed by the parents, making it difficult to obtain the critical history associated with it.
A 27 year old lady was seen for mild pain in her left eye which has been blind since late childhood. She noticed a whitish lesion in the left eye 2 weeks prior to hospital visit. Over the past year, she had noticed a few intermittent episodes of redness in the eye. No recent or past history of ocular trauma was reported. This was her first ever eye consultation.
Intermittent redness in left eye over the past year
Whitish lesion in her left eye
Mild pain in her left eye
Examination reveals dislocated lens material in the anterior chamber with anterior chamber reaction; retinal hole and old retinal detachment.
Surgical extraction of lens material
Resolution of pain
Ocular contusion can cause damages in both the anterior and posterior segments. The anterior segment is affected by the coup and compression mechanisms. The contre-coup mechanism accounts for posterior segment injuries as the shock waves that cross the eye strike the posterior pole.
Cataract in ocular contusion results either from a dysfunction of the lens epithelium, leading to oedema of superficial cortical lens fibres that subsequently undergo degeneration  or from a rupture of the anterior lens capsule. Bannit et al. in 2009 reported 3 cases of blunt trauma causing rupture of the anterior lens capsule with cataract formation . They proposed that the anterior lens capsule may have been torn by direct contusion from rapid focal indentation of the cornea onto the lens (coup injury) or by a fluid-mechanical, anteriorly directed rebound of the vitreous, bursting open the anterior capsule (contre-coup injury). Posterior capsule rupture may also occur secondary to blunt trauma and lead to progressive cataract formation [5, 6]. Partially exposed lens cortex can cause little or no anterior chamber reaction. In our patient, there was mild anterior chamber reaction, indicative of the presence of some cortical material. Elsewhere, spontaneous cataract absorption has been reported with no secondary uveitis nor glaucoma [7, 8].
Equatorial stretching from ocular compression can disrupt the lens capsule, the ciliary zonule, or both. Partial or total zonular damage may occur in blunt injuries, resulting in partial or total dislocation of the lens . Zonular damage probably occurred in our patient, leading to secondary dislocation. Primary post traumatic lens dislocation into the anterior chamber is usually associated with pain due to angle-closure glaucoma.
Posterior segment injuries which result from the contre-coup mechanism may include commotio retinae, macular oedema and holes, retinal tears and vitreous haemorrhages. Traumatic breaks or retinal detachment may not occur immediately after injury. Goffstein and Burton observed that 60% were diagnosed within 8 months of injury . Immediate retinal detachment results from impact necrosis, while late detachment results from leakage of fluid from the choroid into the sub-retinal space and movement of vitreous fluid through retinal breaks .
Ocular contusion may not be reported by children or adolescents, yet be responsible for severe lesions which could be sight-threatening. Parents, guardians and child care givers should pay attention to any observed changes in the eye or visual behaviour and seek immediate ophthalmic care.
No funding was obtained.
Availability of data and materials
All data supporting our findings are contained within the manuscript.
DVA was responsible for obtaining consent, acquiring the data and drafting the manuscript. EMSR, EE and EMC participated in patient care and helped establish the final clinical diagnosis. APW and EE critically revised the manuscript. AJPA performed the histology examination of the extracted lens material and critically revised the manuscript. NAS performed the ultrasound examination and critically revised the manuscript. EMC assisted in drafting its final version. All authors read and approved the final version of the manuscript.
Ethics approval and consent to participate
The Ethics Committee of the Faculty of Medicine and Biomedical Sciences waived the need for formal approval in this case. Full consent for procedures described was obtained from the patient.
Consent for publication
Full verbal and written consent has been obtained from the patient for submission of this manuscript for publication.
The authors declare that they have no competing interests.
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