Bilateral Iris Coloboma in an 11-Year-Old Child with Low Vision and High Intraocular Pressure: A Rare Case Report and Review of Literature

Abstract

Background

Coloboma means curtailed in Greek language. It is mainly used when normal tissue of the eye or another organ is not present since birth. Coloboma is a congenital abnormality mainly caused by incomplete closure of the embryonic fissure of the choroid part of eye.

Purpose

The aim of this case report is to share the clinical findings in a patient with bilateral iris coloboma, low vision, and headache.

Patients and Methods

Case report.

Results

An eleven-year-old boy with low vision and headache visited the University Eye Hospital of Kabul University of Medical Science (UEHKUMS) for consultation. Ophthalmic examination revealed a bilateral iris coloboma without concomitant chorioretinal defect, refractive error, and high intraocular pressure in both eyes. The refractive error of the patient was corrected by advising proper glasses, and the high intraocular pressure was controlled by anti-glaucoma drops. After several follow-up visits, the patient no longer complained of headache and low vision.

Conclusion

Visiting patients with iris coloboma should be considered for intraocular pressure (IOP) check, and screening of other family members is mandatory.

Keywords:

• iris coloboma
• high intraocular pressure
• bilateral

Abbreviations

UEH, University Eye Hospital; KUMS, Kabul University of Medical Science; CHARGE syndrome, coloboma, heart defect, choanal atresia, retardation of growth and development, genital hypoplasia, and ear abnormalities; COACH, cerebellar vermis hypoplasia, oligophrenia, ataxia, coloboma, and hepatic fibrosis syndromes; RPE, retinal pigment epithelium; BCVA, best corrected visual acuity; IOP, intraocular pressure; MAC phenotype, microphthalmia, anophthalmia, and coloboma.

Ethics and Consent Statements

The institutional approval is not required for publication of the case report. Written informed consent for publication of their details was obtained from the father of the patient.

Disclosure

The authors declare no conflicts of interest in this work.