Dr. Aditi Gupta

Dr. RAMESH VENKATESH, Dr.ROHIT AGRAWAL, DR. NARESH KUMAR YADAV

Abstract

Background: To describe the clinical and imaging features in a series of patients diagnosed with macular coloboma (MC) and intrachoroidal cavitation (ICC).

Methods: Patients diagnosed with MC who underwent colour fundus photography, optical coherence tomography (OCT) and Multicolour® imaging were analysed.

Results: We identified 16 eyes of 11 patients with MC. Based on OCT imaging features, conforming variant of MC was seen in 9 eyes and non-conforming variant in 7 eyes. In the non-conforming variety of MC with presence of intercalary membrane break, ICC was identified in 5 of these eyes. ICC in MC appeared as flat, dark greenish areas with or without an orange-coloured boundary abutting the margin of the coloboma on Multicolour® imaging.

Conclusion: In 31% eyes, ICC was seen in non-conforming type of MC and was well-identified on Multicolour® imaging. It appears that presence of intercalary membrane breaks and detachment are prerequisites for developing ICC.

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