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Year : 2019  |  Volume : 67  |  Issue : 10  |  Page : 1735

Optic disc coloboma: Glaucoma imitator

Sita Lakshmi Glaucoma Center, Anand Eye Institute, Hyderabad, Telangana, India

Date of Web Publication23-Sep-2019

Correspondence Address:
Dr. Tarannum Mansoori
Sita Lakshmi Glaucoma Center, Anand Eye Institute, Habsiguda, Hyderabad - 500 007, Telangana
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijo.IJO_494_19

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How to cite this article:
Mansoori T, Vemuganthi S, Agraharam SG. Optic disc coloboma: Glaucoma imitator. Indian J Ophthalmol 2019;67:1735

How to cite this URL:
Mansoori T, Vemuganthi S, Agraharam SG. Optic disc coloboma: Glaucoma imitator. Indian J Ophthalmol [serial online] 2019 [cited 2020 Feb 21];67:1735. Available from: http://www.ijo.in/text.asp?2019/67/10/1735/267450

A 28-year-old female, with visual acuity of 20/20 in both eyes, was referred for glaucoma evaluation. Fundus examination of the left eye was normal, and the right eye showed a large disc with 0.8:1 cup–disc ratio, central excavation which extended to the inferotemporal rim, and a corresponding inferotemporal retinal nerve fiber layer defect [Figure 1]a. Angio optical coherence tomography (OCT) (AngioVue, OptoVue) demonstrated inferotemporal disc excavation, loss of capillaries on the surface of the optic disc, loss of radial peripapillary capillaries in the inferotemporal sector and cavitation below the disc coloboma in the corresponding B-scan [Figure 1]b. As optic disc coloboma can be mistaken for glaucoma, careful disc evaluation and angio OCT may help in diagnosis.[1]
Figure 1: (a) Fundus photograph of the right eye shows inferotemporal disc coloboma and retinal nerve fibre layer defect (arrows). (b) Optical coherence tomography angiography demonstrates loss of inferotemporal disc capillaries and radial peripapillary capillaries and cavitation below the disc coloboma (blue arrow head)

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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 The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.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

Takkar B, Venkatesh P, Agarwal D, Kumar A. Optic disc coloboma with pit treated as glaucoma: Diagnostic utility of ultrasound and swept source optical coherence tomography. BMJ Case Rep 2017;2017.pii: bcr-2017-221967. doi: 10.1136/bcr-2017-221967.  Back to cited text no. 1


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