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¹Okmeydanı Eğitim ve Araştırma Hastanesi, Göz Hastalıkları A.D., İstanbul, Asist. Dr.
²Okmeydanı Eğitim ve Araştırma Hastanesi, Göz Hastalıkları A.D., İstanbul, Uzm. Dr.
³Okmeydanı Eğitim ve Araştırma Hastanesi, Göz Hastalıkları A.D., İstanbul, Prof. Dr. We report a case of bilateral choroidal osteoma and the accompanying OCT findings A 27-year-old woman presented to our clinic with a 5-year history of bilateral visual loss. The visual acuity of the patient was counting fingers at 1 m in the right eye and 0.2 in the left. On fundus examination of both eyes a peripapillary located mass was observed. This mass in the right eye was covering the macula with a white foveal part circumscribed by a yelloworange halo; in the left eye it was covering the macula with a yellow-orange foveal part and white nasal part with an irregular surface. Choroidal osteoma was suspected. The diagnosis was confirmed by B scan ultrasonography, computer tomography, and fundus fluorescein angiography. The OCT findings were evaluated. Choroidal osteoma is a rare and benign ossifying tumor of the posterior pole of the eye that is typically seen in young women. Most commonly it occurs unilaterally. The diagnosis of this tumor, which may affect vision at different levels, can be made clinically and in combination with characteristic ultrasound and CT findings. Recently OCT has been used to evaluate the anatomical structure of the retina and choroid in choroidal osteoma. OCT is a useful method in choroidal osteoma to evaluate the anatomical structure of the retina and choroid and to identify the treatment protocol. Keywords : Choroidal osteoma, Optical coherence tomography