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    Evaluation of Axial Length Changes after Combined Phacovitrectomy for Macula-off Rhegmatogenous Retinal Detachment
    (2019) Kupeli, Ayca; Ozal, Sadık; Ozal, Ece; Garip, Ruveyde
    Objectives: To evaluate the reliability of optical biometry for correct intraocular lens (IOL) power calculation in eyeswith macula-off rhegmatogenous retinal detachment (RRD) via comparing the axial lengths (AL) measured with opticalbiometry preoperatively and postoperatively.Methods: This retrospective study was conducted with 25 eyes of 25 patients who underwent combined surgery (phacoemulsificationand pars plana vitrectomy (PPV)) with the diagnosis of RRD with macular involvement. Best-correctedvisual acuity (BCVA), biomicroscopic examination, intraocular pressure measurement and full fundoscopic examinationwere performed in all patients. Axial length was measured using optical biometry in all patients. The AL measurementswere repeated in the postoperative third month in the patients using gas tamponade during vitreoretinal surgery and inthe third month after the silicone oil removal in patients using silicone-oil tamponade during vitreoretinal surgery.Results: The mean age of the patients was 61.60±7.33. Fifteen patients (60%) were female, and 10 (40%) were male.Postoperative BCVA values (0.40±0.28) were significantly higher than the preoperative BCVA values (0.14±0.22) (p<0.05).The preoperative mean value of AL was measured as 24.66±1.90 and the postoperative mean value of AL was 24.67±1.91.There was no statistically significant difference between the measured AL values in the preoperative and postoperativeperiods (p=0.258).Conclusion: Combined surgery (phacoemulsification and PPV) is a frequently applied method in RRD treatment. Thecorrect AL measurement is important for the removal of refractive errors due to AL measurement in patients with macula-off RRD. Optical biometry provides accurate results in these cases
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    Evaluation of the Efficacy of Pneumatic Vitreolysis Treatment for Symptomatic Vitreomacular Traction Syndrome
    (2022) Kupeli, Ayca; Ozal, Ece; Garip, Ruveyde; Ozal, Sadık
    Purpose: To evaluate the posterior vitreous release rates after a single injection of expansile gas in patients with focal vitreomacular traction (VMT) syndrome. Materials and Methods: Thirteen eyes of 13 consecutive patients with focal symptomatic VMT were reviewed retrospectively. Intravitreal injection of 0.3 mL of pure perfluoropropane (C3F8) was performed. Patients were instructed to bob their head forwards and backwards similar to the head movements of a ‘drinking bird’ until VMT release. A full ophthalmic examination and optical coherence tomography (OCT) was performed at each visit. Results: The mean age of the patients was 66.23±10.01. Seven patients (53.8%) were female, and 6 patients (46.2%) were male. VMT was released in 12 patients (93.7%), and the mean release time was 7.58 days (1-14 days). In two eyes (15.4%) with VMT associated with the full thickness macular hole (FTMH), the macular hole was not closed despite the posterior hyaloid release. The mean pre-treatment best-corrected visual acuity (BCVA) improved significantly from 0.71±0.34 LogMAR to 0.54±0.28 LogMAR after the treatment (p=0.045). The mean central macular thickness (CMT) decreased significantly from 338.46±65.00 ?m to 282.77±62.26 ?m (p=0.013). In the preoperative period, the mean horizontal length of vitreomacular adhesion (HLVMA) was 691.92±268.24 ?m. No correlation was found between HLVMA and release time (p=0.828). No complications were observed. Conclusions: Pneumatic vitreolysis is a relatively safe, minimally invasive and effective treatment option for symptomatic focal VMT syndrome.
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    Optical biometry-based axial length alterations after intravitreal dexamethasone implant
    (Consel Brasil Oftalmologia, 2019) Ozal, Sadik Altan; Kupeli, Ayca; Ozal, Ece; Gurlu, Vuslat
    Purpose: To investigate changes in axial length after intravitreal dexamethasone implantation in patients with macular edema. Methods: We performed a prospective comparative study of 46 patients with unilateral macular edema, due to diabetic retinopathy, retinal vein occlusion, and non-infectious uveitis, who underwent dexamethasone implantation. The fellow eyes of the patients were considered the control group. The central macular thickness was measured by spectral-domain optical coherence tomography, and axial length was measured by IOLMaster 700 optical coherence biometry. We compared axial length and central macular thickness values within the groups. Results: In the study group, the baseline central macular thickness was 460.19 +/- 128.64 mu m, significantly decreasing to 324.00 +/- 79.84 mu m after dexamethasone implantation (p=0.000). No significant change in central macular thickness measurements was seen in the control group (p=0.244). In the study group, the baseline axial length was 23.16 +/- 0.68 mm, significantly increasing to 23.22 +/- 0.65 mm after dexamethasone implantation (p=0.039). However, the control group exhibited no significant change in axial length (p=0.123). Conclusions: In addition to significantly reducing central macular thickness measurements, intravitreal dexamethasone implantation also significantly changes optical biometry-based axial length measurements.
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    Spontaneous Reattachment of Recurrent Retinal Detachment Due to Post-operative Proliferative Vitreoretinopathy
    (2022) Ozal, Ece; Ozal, Sadık; Çınar, Abdulkadir Can; Kupeli, Ayca
    We describe a case of recurrent retinal detachment due to postoperative proliferative vitreoretinopathy and spontaneous reattachment. A 48-year-old male who had undergone right cataract surgery 6 months earlier in a different centre presented with bilateral vision deficiency. Fundus examination revealed bilateral rhegmatogenous retinal detachment. We performed pars plana vitrectomy of the right eye, with 16% perfluoropropane gas endotamponade and pneumatic retinopexy of the left eye, with sulphur hexafluoride gas used as the endotamponade agent. Proliferative vitreoretinopathy and recurrent retinal detachment of the right eye occurred 9 weeks postoperatively. The retina reattached spontaneously in approximately 4 weeks. This case demonstrates that the retina can reattach spontaneously within a few weeks after spontaneous separation of tractional forces in recurrent retinal detachment due to post-vitrectomy proliferative vitreoretinopathy.