Publications by authors named "Yusuf B Akbas"
Purpose: To compare AcrySof MA60AC (Alcon Laboratories, Fort Worth, TX, USA) and Sensar AR40e (Johnson and Johnson, Santa Ana, CA, USA) used in Yamane sutureless scleral fixation technique in terms of visual acuity, refractive stability, and complications.
Methods: A retrospective, cross-sectional study was conducted in Istanbul Başakşehir Çam and Sakura City Hospital. Patients were divided into two groups: The first group consisted of patients with MA60AC lenses, while the second group consisted of patients with AR40e.
Objectives: To assess the appropriateness and readability of large language model (LLM) chatbots' answers to frequently asked questions about refractive surgery.
Materials And Methods: Four commonly used LLM chatbots were asked 40 questions frequently asked by patients about refractive surgery. The appropriateness of the answers was evaluated by 2 experienced refractive surgeons.
Article Synopsis
- The study aimed to determine how common Retinopathy of Prematurity (ROP) and other eye diseases are in late preterm infants at a hospital in Turkey and whether routine ROP screenings are necessary.
- It included 600 late preterm infants from a neonatal intensive care unit, finding that 3.3% developed ROP and 4.8% had other eye issues, with a significant link between these conditions and lower birth weight and gestational age.
- The researchers concluded that while the incidence of ROP in late preterm infants is low, routine screening is essential to identify and treat ROP and other ocular problems early, preventing serious vision loss.
Article Synopsis
- The study aimed to compare the effects of superior (SI) and temporal (TI) clear corneal incisions on corneal higher order aberrations (HOAs) in patients undergoing cataract surgery with healthy corneas and mild astigmatism.
- 102 eyes were analyzed, with measurements taken before and 6 weeks after surgery, revealing significant changes in HOAs only in the SI group, particularly vertical and horizontal coma.
- The findings suggest that while SI can alter corneal HOAs and potentially impact vision quality post-surgery, TI may offer advantages by not producing significant changes.
Purpose: To compare the outcomes of intravitreal dexamethasone implant used as either an adjuvant or a switching therapy for diabetic macular edema in patients with poor anatomic response after three consecutive monthly injections of ranibizumab.
Methods: This retrospective study included patients with diabetic macular edema who received three consecutive doses of ranibizumab as initial therapy and demonstrated poor response. A single dose of intravitreal de xamethasone implant was administered to these patients.
Article Synopsis
- A study was conducted to evaluate the Eyecryl toric phakic IOL (pIOL) for patients with moderate-to-high myopic astigmatism, focusing on visual and refractive outcomes over three years.
- The research included 52 eyes from 28 patients, showing a significant improvement in visual acuity and reduction in astigmatism, with 70% of eyes achieving better vision versus preoperative levels.
- The findings indicate that the Eyecryl toric pIOL is effective and safe, though some patients experienced minor complications, such as cell loss and opacification issues.
Purpose: To evaluate the changes in thickness of tissues, specifically the pericardium patch graft (PPG) covering the silicone tube in Ahmed Glaucoma Valve (AGV) surgery.
Study Design: Prospective observational study.
Methods: This study included cases with refractory glaucoma that underwent AGV implantation with PPG coverage.
Background: Diabetic macular edema (DME) is the most common cause of visual deterioration in patients with diabetes mellitus. Various treatment options have been used for DME, including intravitreal injection of steroids and anti-vascular endothelial growth factors.
Objectives: To evaluate and compare the functional and anatomical outcomes of intravitreal ranibizumab (IVR) and intravitreal aflibercept (IVA) treatments in patients with DME.
Purpose: To assess morphological changes and visual results in eyes with pachychoroid neovasculopathy (PNV) that underwent different intravitreal anti-vascular endothelial growth factor (VEGF) agents.
Materials And Methods: This is a retrospective, observational, comparative study that included 76 PNV eyes in 76 patients that were allocated to three groups according to the monotherapy injection procedure, as follows: the intravitreal bevacizumab (IVB) group, intravitreal ranibizumab (IVR) group, and intravitreal aflibercept (IVA) group. Central macular thickness (CMT), best-corrected visual acuity (BCVA), and subfoveal choroidal thickness (SFCT) were measured at baseline, after treatment 1st month, 3rd month, 6th month, and 12th month, and at the final post-treatment examination.
Purpose: This study aimed to determine the changes that occur in the vasculature, as based on optical coherence tomography angiography (OCTA) after non-damaging endpoint management (EpM), using a continuous wave yellow laser. The study was on eyes with diabetic macular edema (DME) that were resistant to anti-vascular endothelial growth factors (anti-VEGFs).
Materials And Methods: This was a retrospective analysis of OCTA images of 44 eyes in 44 patients with DME refractory to anti-VEGF.
Purpose: The aim of this study is to compare the efficacy of half-fluence photodynamic therapy (PDT) and half-dose PDT on the choroidal structure via perfusion of the retinal plexus and choriocapillaris in eyes with chronic central serous chorioretinopathy (cCSCR).
Materials And Methods: This retrospective study included 43 eyes in 43 patients with cCSCR. Patients in group 1 received half-fluence (verteporfin 6 mg m-2) PDT and those in group 2 received half-dose (verteporfin 3 mg m-2) PDT.
Purpose: To evaluate long-term visual and refractive outcomes of corneal wavefront-guided transepithelial photorefractive keratectomy (t-PRK) with mitomycin C for the treatment of corneal opacities secondary to adenoviral epidemic keratoconjunctivitis.
Methods: Records of patients who underwent corneal wavefront-guided t-PRK with excimer laser from January 2012 to December 2018 were retrospectively reviewed. Preoperative and postoperative uncorrected visual acuity, best-spectacle corrected visual acuity, slit-lamp biomicroscopic examination findings, manifest refraction, and corneal aberrations and fundus examination findings were evaluated.
Objective: The objective of this study is to evaluate the repeatability and reliability of corneal parameters in different stages of keratoconus patients using a combined Scheimpflug-Placido disc analysis system.
Materials And Methods: In this prospective study, three consecutive measurements were performed by the same observer using Scheimpflug-Placido disc anterior segment analysis device in keratoconus patients. Flattest and steepest simulated keratometry and corneal volume, corneal aberrations, thinnest corneal thickness, symmetry index, keratoconus vertex and Baiocchi-Calossi-Versaci index were recorded.
Purpose: To compare the long-term safety, efficacy, and complications of small-incision lenticule extraction (SMILE) and flexible iris-fixated anterior chamber phakic intraocular lens (pIOL) implantation for the treatment of high myopia.
Setting: University of Health Science Turkey, Beyoğlu Eye Training and Research Hospital, İstanbul, Turkey.
Design: Retrospective comparative case series.