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    Outcomes of Unilateral Inferior Oblique Myectomy Surgery in Inferior Oblique Overaction Due to Superior Oblique Palsy
    (Turkish Ophthalmological Soc, 2016) Yumusak, Erhan; Yolcu, Umit; Kucukevcilioglu, Murat; Diner, Oktay; Mutlu, Fatih Mehmet
    Objectives: To present the outcomes of unilateral inferior oblique myectomy performed in patients with inferior oblique overaction due to superior oblique palsy. Materials and Methods: Twenty-seven eyes of 27 patients that underwent inferior oblique myectomy surgery for superior oblique palsy between 2002 and 2008 were included. Inferior oblique overaction scores (between 0-4) at preoperative, early postoperative (within 1 week after surgery) and late postoperative (earliest 6 months) visits were reviewed. Results: There were 12 male and 15 female patients. Eighteen were operated on the right eye, and 9 were operated on the left eye. The mean age was 15.62 +/- 13.31 years, and the mean follow-up was 17 +/- 11.28 months (range, 6-60 months). Patients who had horizontal component and V-pattern deviation were excluded. Preoperative and early postoperative inferior oblique overaction scores were 2.55 +/- 0.75 and 0.14 +/- 0.36, respectively, and the difference was statistically significant (p<0.01). This improvement was maintained up to the late postoperative period. Conclusion: Due to its promising short-term and long-term results, inferior oblique myectomy can be the first choice of surgery for inferior oblique overaction due to superior oblique palsy.
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    Retinal Nerve Fiber Layer and Peripapillary Choroidal Thicknesses in Non-Glaucomatous Unilateral Optic Atrophy Compared with Unilateral Advanced Pseudoexfoliative Glaucoma
    (Taylor & Francis Inc, 2017) Kucukevcilioglu, Murat; Ayyildiz, Onder; Aykas, Seckin; Gokce, Gokcen; Koylu, Mehmet Talay; Ozgonul, Cem; Yumusak, Erhan
    Purpose: To investigate retinal nerve fiber layer thickness (RNFL-T) and peripapillary choroidal thickness (PC-T) in non-glaucomatous optic atrophy (OA) patients in comparison with unaffected and control eyes, furthermore, to compare thickness profiles with unilateral pseudoexfoliative advanced glaucoma.Materials and Methods: Thirty-three eyes with OA (Group A), 33 unaffected fellow eyes (Group B), 25 right eyes of 25 control subjects (Group C), and 15 eyes with advanced glaucoma (Group D) were enrolled. RNFL-T was measured in six regions by spectral-domain optical coherence tomography. Enhanced depth imaging optical coherence tomography was obtained to evaluate PC-T in corresponding regions.Results: RNFL-T was significantly lower in Group A than in Groups B and C globally and at all peripapillary regions (all p < 0.001). P-CT in Group A was significantly lower globally (p = 0.03) and in three regions (temporal, p = 0.001; temporal-superior, p = 0.01; and nasal-inferior, p = 0.037) versus Group C. However, it was significantly thinner than in Group B in all regions (temporal, p = 0.02; temporal-superior, p = 0.013; nasal-superior, p = 0.044; nasal, p = 0.02; nasal-inferior, p < 0.001; and temporal-inferior, p < 0.001) and globally (p < 0.001). In Group A RNFL-T (thicker superiorly and inferiorly; thinner temporally and nasally) and PC-T (superior > temporal > nasal > inferior) profiles were almost identical to that in unaffected fellow eyes and control eyes. However, Group D showed different patterns with less regional differences in RNFL-T, and the greatest value of PC-T in nasal quadrant.Conclusions: Besides retinal nerve fiber layer thinning, non-glaucomatous OA is associated with choroidal thinning. The RNFL-T and PC-T profiles in advanced glaucoma eyes differed from the common patterns seen among OA eyes, unaffected fellow eyes, and control eyes.