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Year : 2023  |  Volume : 16  |  Issue : 1  |  Page : 197-198  

Sectoral pigmented optic disc

Department of Glaucoma, Anand Eye Institute, Hyderabad, Telangana, India

Date of Submission07-Oct-2022
Date of Decision02-Nov-2022
Date of Acceptance17-Nov-2022
Date of Web Publication21-Feb-2023

Correspondence Address:
Tarannum Mansoori
Anand Eye Institute, Habsiguda, Hyderabad - 500 007, Telangana
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ojo.ojo_286_22

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How to cite this article:
Mansoori T. Sectoral pigmented optic disc. Oman J Ophthalmol 2023;16:197-8

How to cite this URL:
Mansoori T. Sectoral pigmented optic disc. Oman J Ophthalmol [serial online] 2023 [cited 2023 Mar 26];16:197-8. Available from: https://www.ojoonline.org/text.asp?2023/16/1/197/370044

To the Editor,

A 48-year-old male was referred to the glaucoma clinic for optic disc evaluation. There were no ocular or systemic abnormalities. His visual acuity was 20/20 in both the eyes. Slit-lamp biomicroscopy of the anterior segment was normal and showed no evidence of conjunctival or scleral pigmentation. The right eye showed a medium-sized optic disc with well-defined scleral borders, 0.6 cup–disc ratio (CDR), and uniform, homogenous sectoral pigmentation, from 10 to 1 clock hour [Figure 1]. The neuroretinal rim was intact, and the rest of the disc was pink in color. Alpha and beta zone was noted temporally and the surrounding retina was normal with no evidence of pigmentation elsewhere. The left eye fundus was normal with a medium-sized optic disc and 0.6 CDR and healthy neuroretinal rim.
Figure 1: A medium-sized optic disc with 0.6 CDR and pigmentation of the superior sector of the optic disc and healthy neuroretinal rim. CDR: Cup–disc ratio

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A diagnosis of benign pigmentation of the optic disc was made. The condition was documented and the patient was asked to come for an annual eye examination.

Disc pigmentation is rare and can be primary or secondary. Patients in the primary group often have associated ocular abnormalities such as disc hypoplasia, nystagmus, ptosis, ocular albinism, or chromosomal abnormalities.[1],[2] Secondary pigmentation of the optic disc may be caused by melanocytoma or hemorrhage. We have reported a case of benign pigmentation of the disc in association with primary open-angle glaucoma.[3]

On review of the literature, I did not find photographic documentation of benign sectoral pigmentation of the disc. This is one of the cases, in which optic disc pigmentation was an isolated finding and was restricted to the superior neuroretinal rim. In our patient, optic discs were of medium size, in contrast to the literature search, in which usually pigmented discs are described in patients with small disc size.[1],[3]

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

Brodsky MC, Buckley EG, McConkie-Rosell A. The case of the gray optic disc! Surv Ophthalmol 1989;33:367-72.  Back to cited text no. 1
Neely K, Mets MB, Wong P, Szego K. Ocular findings in partial trisomy 10q syndrome. Am J Ophthalmol 1988;106:82-7.  Back to cited text no. 2
Mansoori T, Agraharam SG. A pigmented disc in glaucoma! Indian J Ophthalmol 2020;68:2225-6.  Back to cited text no. 3


  [Figure 1]


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