Browsing by Author "Celik, Selcen"

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Cyclic strabismus: what measured angle of strabismus should guide surgery?
(2019) Celik, Selcen; Inal, Asli; Ocak, Osman Bulut; Aygit, Ebru Demet; Akar, Serpil; Gokyigit, Birsen; 31746262
Purpose: Here we aimed to describe seven pediatric patients with cyclic strabismus and report the outcome of their surgical treatment. Methods: Seven children with acquired esotropia manifesting in a 48-h cycle were included in the study. Four of them were boys, and three of them were girls. All cases had a large angle of deviation and associated suppression on the esotropic day and small angle of deviation with fusion on the other day. A complete ocular motility examination was performed for seven consecutive days. For all cases, we planned strabismus surgery according to the amount of deviation on the strabismic day. Postoperatively, the deviation angles were recorded at the first week, first month, and third month. Later, the patients were examined at 3-month intervals. Results: The mean age at presentation was 4.42 +/- 3.69 years (1-12 years). The mean angle of esotropia at near fixation preoperatively was 36.4 +/- 14.9 pd (prism dioptre) (20-60 pd) on the esotropic day. The mean angle of esotropia on the esotropic day at distance fixation was 32.1 +/- 6.9 pd (20-40 pd). The mean follow-up period was 18.4 +/- 5.5 months (12-25 months). The mean duration of esotropia before surgery was 11.1 +/- 9.4 months (3-29 months). Following surgery, orthophoria within 10 pd was achieved and maintained in all cases. Conclusion: When treating children with cyclic strabismus, the best surgical results can be achieved when surgery is planned according to the amount of deviation on the strabismic day.
Fellow-eye asymmetry on optical coherence tomography angiography and thickness parameters in unilateral pseudoexfoliation syndrome
(2022) Pasaoglu, Isil; Ozturker, Zeynep Kayaarasi; Celik, Selcen; Ocak, Bulut; Yasar, Tekin; 34852056
Purpose: To investigate inter- eye retinal vessel density and thickness asymmetry in unilateral pseudoexfoliation syndrome and understand its use for the early detection of glaucoma. Methods: Thirty patients with unilateral pseudoexfoliation syndrome were enrolled in our study. Optical coherence tomography angiography macular scans were used measure the retinal vessel density, and optical coherence tomography scans were used to assess the thickness parameters of the peripapillary retinal nerve fiber layer and the macular ganglion cell complex. Inter-eye asymmetry was determined by taking the absolute value of the difference in the vessel density and thickness parameters between the pseudoexfoliation syndrome eye and fellow eye. Results: The mean patient age was 64.20 +/- 7.05 y in the study group. Inter-eye asymmetry in the peripapillary retinal nerve fiber layer thickness and macular ganglion cell complex measurements were significant in the study group (p=0.03 and p=0.001, respectively). The vessel density of the macular superficial inner region was significantly lower in eyes with pseudoexfoliation syndrome than in fellow eyes (p=0.035). However, there was no inter-eye asymmetry in the central and full region macular superficial vessel density of eyes with pseudoexfoliation syndrome and fellow eyes (p>0.05). Conclusions: Retinal vessel density can be evaluated using optical coherence tomography angiography measurements. There was inter-eye asymmetry in the inner region macular superficial vessel density, peripapillary retinal nerve fiber layer, and macular ganglion cell complex thickness of the unilateral pseudoexfoliation syndrome eyes and fellow eyes. Further studies on a larger number of subjects might provide more clarity regarding the relationship between the inter-eye asymmetry of the retinal vessel density and thickness parameters with early detection of glaucomatous damage.