Yazar "Doğanay, Derya" seçeneğine göre listele

Listeleniyor 1 - 3 / 3
  • Küçük Resim
    Öğe
    Active silicone oil removal with 23 gauge transconjunctival system; ‘’Doganay silicone oil extraction system’’
    (2019) Doğanay, Derya; Doğanay, Selim; Çankaya, Cem
    Abstract: Aim: To describe a new and simple silicone oil removal method with 23-gauge (G) transconjunctival vitrectomy system.Material and Methods: This is a prospective, single center, interventional clinical trial. A hundred thirty-three eyes of 133 patientswere enrolled in this study. 1000 centistoke (cSt) silicone oil was removed with our new method. Main outcome measurements weresilicone oil removal time, number of sutured 23 G sclerotomy sites, intraoperative and postoperative complications, preoperative andpostoperative intraocular pressure (IOP) alterations, and preoperative and postoperative visual acuity changes.Results: The mean time between pars plana vitrectomy surgery with silicone oil endotamponade and silicone oil removal was 8.5±3.5months. Mean silicone oil removal time was 141.7±37.7 seconds. 210 of total 293 sclerotomies sites required suture. A statisticallysignificant decrease in postoperative IOP was found only on day 1 (p<0.05). Mean preoperative (before silicone oil removal) bestcorrect visual acuity (BCVA) was LogMAR 1.39±0.74 and mean postoperative BCVA at the final visit was LogMAR 1.23±0.88 (p<0.05).Mean postoperative follow-up was 7.2±6.2 months. Postoperative transient hypotony occurred in 23 eyes (IOP < 7 mm-Hg), revitreoushemorrhage occurred in 5 eyes and retinal re-detachment occurred in 7 (5.3%) eyes.Conclusion: Removal of 1000 cSt silicone oil with our new method is effective, safe, easy, and fast.
  • Küçük Resim Yok
    Öğe
    Cataract Surgery and Customized Toric Intraocular Lens Implantation in Patients with Cataract and High Astigmatism After Penetrating Keratoplasty
    (2024) Doğanay, Derya; Çankaya, Cem; Doğanay, Selim
    Phacoemulsification and implantation of a customized toric intraocular lens (IOL) Acriva BB T UDM 611 was performed in 3 eyes of 3 patients with cataract and more than 13 diopters of astig- matism after penetrating keratoplasty at least 6 months after complete suture removal. Pre- and postoperative uncorrected and corrected vi- sual acuity, manifest refractions, corneal topographies, autorefracto- metric keratometry values, posterior segment examinations and intraocular pressure measurements were performed in all patients. The corneal astigmatism was a relatively regular bow-tie pattern in all three patients. Astigmatic changes were also evaluated. No compli- cations were observed during surgery or at follow-up. Customized toric IOL implantation seems to be a predictable and safe procedure in patients with cataract and high astigmatism after penetrating ker- atoplasty. Longer follow-up is required to confirm these predictable clinical results, particularly with regard to IOL misalignment and bag stability.
  • Küçük Resim Yok
    Öğe
    Evaluation of corneal biomechanical properties after uneventful standard coaxial phacoemulsification surgery
    (2018) Doğanay, Selim; Fırat, Penpe Gül; Doğanay, Derya; Ulaş, Fatih; Çankaya, Cem
    Abstract: Aim: This study was designed to investigate the alteration of intraocular pressure measurements and biomechanical properties of the cornea in patients who underwent uneventful standard coaxial phacoemulsification cataract surgery through 2.75 mm corneal main incision with intraocular lens implantation. Material and Methods: 15 eyes of 15 patients admitted to our clinic because of the cataract problems in the study. Corneal hysteresis (CH), corneal resistance factor (CRF) measurements, Goldmann correlated (IOPg), and corneal compensated intraocular pressure (IOPcc) values were recorded by ocular response analyzer (ORA) before and 1 day, 1 week and 1 month after surgery. Results: The mean age of the patients was 64.3 ± 8.06 years. Preoperative mean CH, CRF, IOPg and IOPcc values were 8.23±2.10, 9.33±2.27, 18.54±3.42 and 19.66±3.22, respectively. The mean CH, CRF, IOPg and IOPcc values were 5.50±2.07, 8.69±2.04, 22.29±3.37 and 23.83±3.32, respectively on the first day after the surgery. The mean CH, CRF, IOPg and IOPcc values were 5.25±1.83, 8.29±2.10, 18.86±2.72 and 20.20±3.37, respectively of the first week after the surgery. The mean CH, CRF, IOPg and IOPcc values were 7.88±1.99, 8.37±1.83, 15.81±2.60 and 16.41±2.80, respectively in the first month after the surgery. Conclusion: These results revealed that the biomechanical properties of the cornea may change during the first one month period after uneventful standard coaxial phacoemulsification surgery.