Orbital involvement in chronic lymphocytic leukemia (CLL) is highly unusual and most commonly involves hemorrhage or soft tissue infiltration in advanced disease. We report a case of rapid onset bilateral orbital muscle infiltration as the presenting feature of early stage CLL. In addition, we demonstrate clinico-pathological correlation with an identical chronic B-cell lymphocytic infiltrate in both orbit and bone marrow, with good response of the orbital disease to local radiotherapy.
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