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¹S.B. Ankara Eğitim ve Araştırma Hastanesi 1. Göz Kliniği, Ankara, Op. Dr.
²S.B. Ankara Eğitim ve Araştırma Hastanesi 2. Göz Kliniği, Ankara, Op. Dr.
³S.B. Ankara Eğitim ve Araştırma Hastanesi 1. Göz Kliniği, Ankara, Asist. Dr.
⁴S.B. Ankara Eğitim ve Araştırma Hastanesi 1. Göz Kliniği, Ankara, Doç. Dr.
⁵S.B. Ankara Eğitim ve Araştırma Hastanesi 2. Göz Kliniği Şef. Yrd., Ankara, Doç. Dr.
⁶S.B. Ankara Eğitim ve Araştırma Hastanesi 1. Göz Kliniği Klinik Şefi, Ankara, Op. Dr. Purpose: To evaluate macula by optical coherence tomography (OCT) in retinitis pigmentosa patients.
Materials and Methods: Central foveal thickness (CFT) was measured by OCT3 with 6 mm horizontal scans passing through fovea. The configuration of the inner segment/ outer segment junction (IS/OS band) in the grey scale OCT images at the fovea was graded between 1 and 3. According to this IS/OS band was not visible in Grade 1, abnormal IS/OS band under fovea in Grade 2, and normal IS/OS band in Grade 3. The correlation of the grade of IS/OS band with age, sex, visual acuity and CFT was evaluated.
Results: IS/OS band was in Grade 1 in 19 eyes (40%), in Grade 2 in 13 eyes (28%), and in Grade 3 in 15 eyes (32%). The difference between the grade of IS/OS band and sex and age of patients was statistically insignificant (p>0.05). The visual acuity of eyes in Grade 3 was higher than eyes in Grade1 and 2 (p<0.05). The CFT of eyes in Grade 3 was higher than eyes in Grade1 (p<0.05).
Conclusion: The integrity of IS/OS band may be a sign of the preserved foveal functions; and may be an indicator of potential visual functions. Keywords : Retinitis pigmentosa, optical coherence tomography, macula, photoreceptor inner/outer segment