Purpose: The purpose of this study was to assess the optic nerve head microvascular changes in pseudoexfoliative and primary open-angle glaucoma and define the relationship between vessel density and retinal nerve fiber layer thickness.
Methods: This observational cross-sectional study assessed 72 eyes with primary open-angle glaucoma, 41 eyes with pseudoexfoliative glaucoma, and 60 healthy eyes. On the basis of optic nerve head-centered, 4.
Purpose: To evaluate using optical coherence tomography angiography the macular and optic nerve head blood flow in pediatric patients with epilepsy treated with levetiracetam for at least 12 months.
Methods: This study included 33 pediatric patients with epilepsy and 30 sex- and age-matched healthy volunteer children were included in the study. Optical coherence tomography angiography was used to evaluate the optic nerve head and macular perfusion changes.
Aim: To detect retinal microvascular variations in obstructive sleep apnea syndrome patients.
Methods: This prospective, observational case-control study included healthy controls and patients with mild, moderate, and severe obstructive sleep apnea syndrome. Vascular parameters, foveal avascular area, and flow areas in macula-centered, 6.
The aim of this prospective, controlled, non-randomized study was the comparison of the retinal microvascular parameters of obese and nonobese adults. 184 eyes of 92 subjects were separated to 3 groups. 68 eyes were in the normal weight group, with a body mass index between 18.
View Article and Find Full Text PDFPurpose: To compare the effect of intravitreal ranibizumab (IVR) or intravitreal dexamethasone implants (IVD) on the regression of hyperreflective dots (HRDs) in patients with branch retinal vein occlusion (BRVO).
Materials And Methods: Thirty-seven eyes with cystoid macular edema who received IVR or IVD and followed up for at least 12 months were included in this study. The patients were divided into three Groups according to intravitreal treatments.
Purpose: This study evaluated the corneal endothelium, stromal keratocytes, subbasal nerve number and density in patients with silicone oil transferred to the anterior camera after pseudophakic complicated retinal detachment surgery by laser scanning confocal microscopy (IVLSCM).
Methods: Sequential measurements were made by IVLSCM between 3-6 months after surgery in two groups of patients: a) with silicon oil migration (Group 1) and without silicone oil migration (Group 2).
Results: A total of 63 cases (Group 1: 32 and Group 2: 31) were examined.
Purpose: To evaluate the effect of preoperative Alprazolam on complications of phacoemulsification cataract surgery, duration of surgery and early reoperation rate.
Methods: Records of 1026 eyes of 1026 consecutive patients underwent phacoemulsification with topical and intracameral anesthesia between 2016 and 2020 years were retrospectively reviewed. Patients were divided into two groups, with or without using Alprazolam before surgery.
Objectives: The purpose of this study was to identify the sensitivity and specificity of optical coherence tomography angiography (OCTA) parameters for the presence of neovascularization elsewhere (NVE) and to investigate the relationship between ischemic areas.
Methods: This study included 59 eyes with non-proliferative diabetic retinopathy (NPDR) and 36 eyes with proliferative diabetic retinopathy (PDR). The foveal avascular zone (FAZ), vessel density (VD) for the superficial and the deep capillary plexus (DCP), choriocapillaris flow area (CCP), and non-perfusion area (unit²) were recorded.
Objectives: To evaluate the corneal subbasal nerve morphology, corneal sensitivity, and anterior segment alterations in short-term silicone hydrogel contact lens (SiHCL) users by confocal microscopy.
Materials And Methods: The study included 25 right eyes of 25 male volunteers aged 25-30 years who had never used SiHCLs before. ocular surface disease index (OSDI), tear break-up time, Schirmer test, tear meniscus area, strip meniscometry tube, corneal sensitivity, and corneal subbasal nerve morphology were evaluated before and after 1 month of CL use.
Slowing ectasia progression is critical for maintaining visual potential in keratoconus (KC), for which various therapeutic approaches have been implemented. A Pentacam Scheimpflug imaging device was used to quantify contact lens (CL)-related changes in keratoconus corneal topographic indices. Thirty KC patients (group 1; 60 eyes) were using one of the three CL (rigid gas-permeable CL (RGPCL)-10, hybrid CL (HCL)-10, and scleral CL (SCL)-10 patients).
View Article and Find Full Text PDFObjectives: To assess the central corneal thickness (CCT) with 5 different devices, evaluate the repeatability of the devices, and determine the possible relationship between thickness values and sex.
Materials And Methods: The study included 308 eyes of 154 patients (76 women, 78 men) between the ages of 18-30 who presented to the Ophthalmology Clinic of Muğla Sıtkı Koçman University Training and Research Hospital. Autorefractor (Topcon, Japan), ultrasound pachymetry (UP) (Ceniscan, USA), high-resolution Pentacam (Oculus, USA), anterior segment-optical coherence tomography (AS-OCT) (Optovue, USA), and Spectralis AS-OCT (Heidelberg, Germany) measurements were assessed.
Objectives: We aimed at investigating the iridocorneal angle, anterior segment structural differences, and their relationship in pediatric anisohyperopic amblyopic eyes.
Methods: This study was designed as an observational case-control study. We prospectively evaluated the pediatric patients who were newly diagnosed with hyperopic anisometropic amblyopia.
Purpose: To assess the choroidal vascularity index (CVI) after subthreshold laser treatment in patients with central serous chorioretinopathy (CSC).
Method: A total of 32 eyes with CSC were included in this study. In group 1, 14 eyes with persistent CSC were treated with the PASCAL (Endpoint Management Software) at 577-nm wavelength and in group 2, 18 eyes without treatment.
A 61-year-old woman presented to our clinic with complaints of decreased visual acuity, pain, and redness in her left eye. Best corrected visual acuity (BCVA) was 20/20 in the right eye and counting fingers at 3 meters in the left eye. On slit-lamp examination, 1+ cells were detected in the anterior chamber.
View Article and Find Full Text PDFPurpose: To determine the effects of vitamin D deficiency on retinal microvascularity using optical coherence tomography angiography.
Methods: This study was designed as an observational case-control study. Ninety-eight eyes of patients with vitamin D deficiency and 96 eyes of healthy participants with serum vitamin D level >30 ng/mL were studied.
Background: To compare the refractive results of hand-held and table-mounted autorefractors.
Methods: We designed this study as an observational, cross-sectional study. We compared the mean spheric and cylinder power, spherical equivalent, Jackson cross-cylinder values, determined the limits of agreement (LoA), and evaluated the reliability of two autorefractors.
Purpose: To determine retinal microvascular differences among amblyopic subgroups and compare them with control eyes.
Study Design: This study was designed as an observational case-control study.
Methods: Twenty-three strabismic, 23 anisometropic, 22 meridional, 22 ametropic amblyopic eyes, and 24 healthy control eyes were included.
Purpose: To compare the macular microvasculature differences in cases with idiopathic macular hole (MH) after vitrectomy when using internal limiting membrane (ILM) removal or temporal inverted ILM flap technique (IFT).
Method: A total of 34 patients were included, of whom 20 were treated vitrectomy with ILM removal (group 1), and 14 were treated with IFT (group 2). The OCTA (RTVue; Optovue, Fremont, CA) parameters, including foveal avascular zone (FAZ), vessel density (VD) ratios in superficial capillary plexus (SCP), and deep capillary plexus (DCP) were evaluated at baseline and 6 months follow-up.
Objective: The aim of this study was to evaluate the perifoveal and peripapillary microvascular structure in patients with Behçet's disease (BD) without clinically ocular involvement.
Methods: Fifty-six eyes of 28 patients with Behçet's disease without clinically ocular involvement and 50 age-matched healthy eyes were included in this prospective study. Vessel densities (VD) of macula and optic nerve head, foveal avascular zone (FAZ), choroid capillary plexus (CCP) flow area, perifoveal capillary nonperfusion, capillary dilatation and/or telangiectasia and perifoveal capillary arcade disruption were analyzed with optical coherence tomography angiography (OCTA).
Purpose: To evaluate the macular microvascularity with optical coherence tomography angiography (OCTA) in rhegmatogenous retinal detachment (RRD) which were successfully treated with pneumatic retinopexy (PR).
Methods: Thirty eyes of thirty patients who were treated with PR (12 eyes with macula-off RRD and 18 eyes with macula-on RRD) were included in this prospective study. OCTA was used to evaluate the macular perfusion changes postoperatively at 1 and 3 months.
Graefes Arch Clin Exp Ophthalmol
December 2019
Background: To determine optic nerve head (ONH) microvascular changes detected by optical coherence tomography angiography (OCTA) and intraocular pressure changes (IOPs) after uncomplicated phacoemulsification surgery.
Methods: The study was designed as a prospective observational study. Twenty-four eyes were included.
Purpose: To investigate retinal microvascular findings detected by optical coherence tomography angiography (OCT-A) in amblyopic eyes compared with normal eyes.
Methods: A total of 23 amblyopic (strabismic, ametropic, anisometropic, and meridional amblyopia) and 22 normal eyes were included in this prospective observational, comparative study. All patients underwent complete ophthalmological examination and OCT-A imaging.
Objectives: To compare the first-year results of patients with active neovascular age-related macular degeneration (nAMD) under intravitreal ranibizumab (IVR) treatment who did and did not undergo cataract surgery.
Materials And Methods: The records of 72 patients with active nAMD were reviewed retrospectively. Group 1 consisted of 23 patients who underwent uncomplicated cataract surgery and continued with IVR treatment and group 2 consisted of 49 patients without cataract who received only IVR treatment.
We present the case of a 60-year-old patient who underwent a complicated cataract surgery with cefuroxime injection (1 mg/0.1 mL) into the anterior chamber at the end of surgery. The patient presented to our hospital due to decrease in visual acuity (VA) after surgery.
View Article and Find Full Text PDFWe report a case of optic disc pseudoduplication without pathological myopia. A 79-year-old woman presented with gradually decreased vision. Fundus examination showed macular drusen in both eyes and subretinal haemorrhage in the left eye.
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