Description
A 25-year-old man presented with slight blurring of vision in the right eye (RE), noted 3 years ago. There was no positive systemic history. His best corrected visual acuity was 6/9 in RE and 6/6 in the left eye (LE) at presentation. Anterior segment evaluation was unremarkable in both eyes with normal pupil light reflexes. Fundus evaluation revealed a flat circular lesion beneath the fovea, and was measured to be one-third of the size of the optic nerve head. It was a densely pigmented lesion, black in colour, with a surrounding depigmented whitish halo (figure 1). The LE was within normal range on clinical examination. Spectral domain optical coherence tomography (SD-OCT) of RE revealed the lesion to be irregular but flat with hyper-reflectivity at the level of the retinal pigment epithelium (RPE). Discontinuity of the ellipsoid zone was noted to be overlying some parts of the lesion. These findings were also accompanied...
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