A Rare Case of Non-Hodgkin Lymphoma Presenting as Chronic Nasolacrimal Duct Obstruction

Leukemic infiltration of the optic nerve is a rare but serious complication of hematologic malignancies, often leading to visual impairment. It can present with symptoms such as diplopia, vision loss, and proptosis, sometimes mimicking common ophthalmologic conditions like nasolacrimal duct obstruction. Due to its rarity, it is often misdiagnosed, delaying appropriate treatment.