PurposeTo present a case of bilateral idiopathic sclerochoroidal calcification.MethodsAn 80‐year‐old female patient presented with gradual decrease of vision in both eyes for the past few months. Her previous medical history included hypertension and dyslipidemia. Her best‐corrected visual acuity was 3/10 in the right eye and 5/10 in the left eye. She had bilateral nuclear cataracts.ResultsFundus examination showed bilateral significantly elevated yellow lesions in the subretinal space along the inferonasal mid‐periphery in the right eye and superotemporal mid‐periphery in the left eye. Fluorescein angiography and OCT showed neither leakage nor subretinal fluid, respectively. Ultrasound b‐scan revealed highly reflective lesions with orbital shadowing. Full‐body CT scan was normal, so we excluded choroidal metastasis. In addition, blood investigations were all normal including complete blood count, erythrocyte sedimentation, C‐reactive protein, liver function tests, thyroid function tests and electrolytes. Based on complete examination, the diagnosis was idiopathic sclerochoroidal calcification.ConclusionsSclerochoroidal calcification is a rare clinical disease which has to be differentiated from choroidal metastasis. Patients have been unnecessarily investigated in the past and even treated for tumours. In such cases, it is important to exclude electrolytes abnormality, but prolonged investigations are unnecessary. Reports have been made of sclerochoroidal calcification associated with hyperparathyroidism, and hypomagnesaemia. We report a case of bilateral idiopathic sclerochoroidal calcification.