Primary corneal neoplasia (PCN) is a rare cancerous lesion of cornea usually encountered in elderly. The clinical symptoms are generally non-specific, with ocular irritation, redness, cosmetic disfigurement and varying degrees of visual disturbances depending on visual axis involvement. Corneal neoplasia is usually associated with surrounding conjunctival lesions and incidentally detected PCN is rarely encountered in clinical practice. Presently, we report a case of isolat ed unilateral PCN diagnosed incidentally in an elderly man presenting with cataract. In vivo confocal microscopy aided in its diagnosis after impression cytology was repeatedly negative. Cataract surgery was deferred and the patient was administered three cycles of mitomycin C 0.04% 4 times/day. The tumour margins receded as evident on clinical examination and on anterior segment optical coherence tomography. We discuss the role of various corneal imaging modalities in diagnosis and management of PCN besides highlighting importance of comprehensive slit-lamp examination in patients planned for cataract surgery.
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