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Year : 2023  |  Volume : 3  |  Issue : 1  |  Page : 248

Temporal atypical retinochoroidal coloboma

Department of Vitreo-Retina, Sangam Netralaya, Mohali, Punjab, India

Date of Web Publication20-Jan-2023

Correspondence Address:
Gaurav Sanghi
Sangam Netralaya, SCO 669, Sector 70, Mohali, Punjab - 160 071
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijo.IJO_1275_22

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How to cite this article:
Sanghi G, Gupta R, Brar A. Temporal atypical retinochoroidal coloboma. Indian J Ophthalmol Case Rep 2023;3:248

How to cite this URL:
Sanghi G, Gupta R, Brar A. Temporal atypical retinochoroidal coloboma. Indian J Ophthalmol Case Rep [serial online] 2023 [cited 2023 Feb 1];3:248. Available from: https://www.ijoreports.in/text.asp?2023/3/1/248/368130

A 4-year-old female presented to us with inward deviation of the left eye since infancy. Anterior segment examination was normal in both eyes. Fundus of the right eye was normal. Indirect ophthalmoscopy of the left eye revealed narrowing of temporal arcade and temporal retinochoroidal coloboma [Figure 1]. The foveal area was involved in the coloboma.
Figure 1: Fundus image of the left eye shows narrowing of vascular arcade and temporal retinochoroidal coloboma

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Very few cases of temporal retinochoroidal coloboma have been reported.[1],[2],[3] Typical inferonasal retinochoroidal coloboma occurs due to defective closure of embryonic fissure.[4] However, atypical colobomas are speculated to occur due to presence of accessory embryonic fissures, rotation of embryonic fissure, and developmental anomalies of neural ectoderm.[3],[5] It is important to recognize this rare entity.

Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.

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Conflicts of interest

There are no conflicts of interest.

  References Top

Gupta S, Sethi HS, Naik M. Temporal iridofundal coloboma with persistent pupillary membranes with persistent fetal vasculature. Indian J Ophthalmol 2020;68:1649-50.  Back to cited text no. 1
[PUBMED]  [Full text]  
Azad S, Mittal K. Atypical choroidal coloboma. Ophthalmol Retina 2018;2:1142.  Back to cited text no. 2
Gulati M, Panchal B, Pathengay A. A rare case of temporal atypical retinochoroidal coloboma associated with posterior embryotoxon. Indian J Ophthalmol 2020;68:1445-6.  Back to cited text no. 3
[PUBMED]  [Full text]  
Onwochei BC, Simon JW, Bateman JB, Couture KC, Mir E. Ocular colobomata. Surv Ophthalmol 2000;45:175-94.  Back to cited text no. 4
Hocking JC, Famulski JK, Yoon KH, Widen SA, Bernstein CS, Koch S, et al.; FORGE Canada Consortium. Morphogenetic defects underlie Superior Coloboma, a newly identified closure disorder of the dorsal eye. PLoS Genet 2018;14:e1007246.  Back to cited text no. 5


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