Myopia Progression in School-Age Children During the COVID-19 Pandemic.

This study aimed to investigate changes in refraction error in myopic school-age children during the COVID-19 pandemic. : The data of 825 myopic children aged 7-18 years were retrospectively screened from the hospital data access system. The cycloplegic prescriptions of the patients in 2018, 2019, 2020, and 2021 were recorded.

A Myopic Normative Database for Retinal Nerve Fiber Layer Thickness Using Optical Coherence Tomography.

Prcis: The purpose of this study was to determine changes in optical coherence tomography (OCT) color codes after applying a myopic normative database. The diagnostic performance of the retinal nerve fiber layer analysis improved with the use of this database.

Purpose: To evaluate the peripapillary retinal nerve fiber layer (pRNFL) OCT color codes based on a newly generated myopic normative database in comparison to the built-in normative database.

Comparison of Six Methods of Central Corneal Thickness Measurement in Healthy Eyes.

Objectives: Several methods of measuring central corneal thickness (CCT) have been compared, however, the data are still limited and conflicting. The aim of this study was to determine the agreement of CCT measurements performed in healthy eyes using ultrasound pachymetry (USP), non-contact tono/pachymetry, specular microscopy, biometry, Scheimpflug-based corneal topography, and optical coherence tomography (OCT).

Methods: All of the participants underwent a complete ophthalmological examination.

Optical Coherence Tomography Angiography in Patients with Cone Dystrophy.

Purpose: This study aimed to evaluate macular perfusion using optical coherence tomography angiography (OCTA) in patients with cone dystrophy and to determine the associations between the quantitative data of OCTA and functional parameters.

Methods: The data of 36 eyes of 18 patients with cone dystrophy and 38 eyes of 19 healthy controls were analyzed. The superficial and deep capillary plexus (SCP and DCP) vessel densities (VD) of the macula, the foveal avascular zone (FAZ) and choriocapillary flow density values were obtained using OCTA.

Neutrophil-to-lymphocyte and platelet-to-lymphocyte ratios as inflammation markers in patients with papilledema due to idiopathic intracranial hypertension.

Purpose: The aim of this study was to investigate the role of inflammation in the pathogenesis of idiopathic intracranial hypertension (IIH) using the neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) as inflammation markers.

Methods: The files of 33 IIH patients and 33 controls were screened for this retrospective study. For each patient, the NLR and PLR values were calculated using a single fasting blood sample.

Alterations in the Retinal Nerve Fiber Layer Thickness Color Map in Non-Glaucomatous Eyes with Myopia.

Objectives: To determine the normal values for retinal nerve fiber layer thickness (RNFLT) in myopic patients without glaucoma and analyze the changes in their color map.

Materials And Methods: A total of 245 eyes without glaucoma were included in the study. According to the degree of myopia, the cases were divided into 4 groups: control group (+1.

Comparative study of retinal nerve fibre layer thickness and retinal peripapillary capillary plexus microvascular vessel density: structure-function relationship analysis in glaucoma.

Background: To investigate whether the retinal peripapillary capillary plexus vessel density (RPCP VD) or the retinal nerve fibre layer thickness (RNFLT) is better in showing the structure-function relationship in glaucoma.

Methods: Sixty-seven patients with primary open-angle glaucoma (POAG) in one eye and no visual field loss in fellow eye were included in this study. The scans of RPCP VD and RNFLT, and the standard automated perimetry data [including mean deviation (MD), pattern standard deviation (PSD), sector-based pattern deviation (PD) values] were analysed and compared.

Agreement Between Standard Optical Coherence Tomography and Optical Coherence Tomography-Based Angiography in Estimating Retinal Nerve Fiber Layer Thickness.

Objectives: To investigate the agreement between optical coherence tomography (OCT) and OCT-based angiography (OCT-A) in estimating retinal nerve fiber layer thickness (RNFLT) and evaluate the associations between peripapillary vessel density (VD) and RNFLT measurements obtained with both devices.

Materials And Methods: The AngioVue (Optovue Inc., Fremont, CA, USA) and Spectralis (Heidelberg Engineering, Heidelberg, Germany) images of 325 patients were screened retrospectively.

Influences of Hypomagnesemia on Optic Nerve and Retinal Vascular Structure Determined Using Optical Coherence Tomography (OCT) Angiography.

: To evaluate the effects of low blood magnesium levels on the optic nerve, retina, and retinal vascular structure.: This observational and cross-sectional study was conducted between June 2019 and May 2020 with participants aged 20-39 years, who had a visual acuity of ≥20/20, the axial length of 22-24.5 mm, refractive defect spherical equivalent of ≤±3D, and intraocular pressure of ≤21 mm Hg.

Uveitis as a Confounding Factor in Retinal Nerve Fiber Layer Analysis Using Optical Coherence Tomography.

Purpose: To investigate the retinal nerve fiber layer thickness (RNFLT) in uveitic eyes and search for the associations with uveitis activity, etiology and location.

Methods: The files of 76 patients with uveitis and 76 controls were scanned. Associations of RNFLT were analyzed using generalized linear models.

Evaluation of the Optic Disc and Macula in Healthy Children Using Optical Coherence Tomography Angiography.

Objectives: To perform the measurements of the optic disc and macula in healthy children using optical coherence tomography angiography (OCTA) in order to determine the normative data values and compare these by age, gender, spherical equivalent (SE), and axial length (AL).

Materials And Methods: A total of 146 eyes belonging to 146 healthy children (74 girls, 72 boys) aged 6 to 16 years were included in this prospective study. Refraction and biometry measurements were performed.

The agreement between optical coherence tomography angiography and non-mydriatic retinal camera in estimating the optic nerve head parameters and relations with the peripapillary vessel density in primary open-angle glaucoma.

Background/objectives: To investigate the agreement between optical coherence tomography angiography (OCT-A) and non-mydriatic retinal camera (NMRC) in estimating the optic nerve head (ONH) parameters and evaluate the associations between peripapillary vessel density (VD) with ONH parameters assessed by both devices.

Methods: The OCT-A and NMRC images of 262 participants (138 eyes were diagnosed with POAG, 63 were glaucoma suspect, and 61 were healthy subjects) were screened retrospectively. The vertical cup-to-disc ratio (VCDR), cup-to-disc area ratio (CDAR), rim area (RA), disc area (DA), and cup volume (CV) were recorded using both devices.

The findings of corneal specular microscopy in patients with type-2 diabetes mellitus.

Background: We aimed to compare the morphological characteristics of corneal endothelial cells in type 2 diabetic patients and age-matched healthy subjects by specular microscopy. We also aimed to determine the association of corneal morphological features with the general characteristics and laboratory data of diabetic patients, including disease duration, haemoglobin A1c (HbA1c) levels and urine albumin creatinine ratio.

Methods: A total of 195 diabetic patients and 100 healthy controls were enrolled in the study.

Erectile dysfunction and retinal microvascular network: an optical coherence tomography angiography study.

The aims of this study were to examine the microvascular network of the retina using the optical coherence tomography angiography (OCT-A) device in patients with erectile dysfunction (ED) and to determine whether the OCT-A values could assist in the differential diagnosis of ED. The study design was prospective, observational, and cross-sectional. The vessel densities (VD) of the superficial capillary plexus (SCP), deep capillary plexus (DCP), and retinal peripapillary capillary plexus (RPCP) were assessed using OCT-A in patients with ED and healthy subjects.

Alterations in optical coherence tomography angiography findings in patients with high myopia.

Purpose: The aim of this study was to determine the macular changes using optical coherence tomography (OCT) and OCT-angiography (OCT-A) in eyes with high myopia. Determining the alterations in vascular structures can provide a clearer understanding of the pathophysiological mechanisms of this disease and help define new treatment options and preventive measures.

Materials And Methods: Ninety-two patients with high myopia (axial length ≥ 26 mm) and 70 control cases without any known systemic or ocular diseases were enrolled in this prospective study.

Assessments of vessel density and foveal avascular zone metrics in multiple sclerosis: an optical coherence tomography angiography study.

Background/objectives: To investigate optical coherence tomography angiography (OCT-A) findings of foveal avascular zone (FAZ) metrics and macular & peripapillary vessel densities (VD) in subjects with multiple sclerosis (MS).

Methods: The study design was prospective and cross-sectional. FAZ metrics and VDs of the superficial capillary plexus (SCP), deep capillary plexus (DCP), retinal peripapillary capillary plexus (RPCP) along with the structural OCT measurements were scanned by using the Nidek's RS-3000 Advance in MS patients and healthy controls.

Normative Data Assessment of Vessel Density and Foveal Avascular Zone Metrics Using AngioScan Software.

: To establish a normative database for macular and peripapillary vessel densities (VD) and foveal avascular zone (FAZ) metrics in healthy subjects with the new version of AngioScan software of RS-3000 Advance (Nidek Co, Ltd) optical coherence tomography angiography (OCT-A) device.: The study design was prospective and cross-sectional. VDs of the SCP, deep capillary plexus (DCP), retinal peripapillary capillary plexus (RPCP) and FAZ area, perimeter and circularity index (CI) along with the structural OCT measurements were scanned by using the Nidek's RS-3000 Advance OCT-A device in healthy subjects.

Disorganization of the retinal inner layers as a prognostic factor in eyes with central retinal artery occlusion.

Aim: To evaluate baseline foveal disorganisation of retinal inner layers (DRIL) as a prognostic factor in eyes with central retinal artery occlusion (CRAO).

Methods: Twenty-eight CRAO patients who were followed-up between 2010 and 2016 were retrospectively investigated. Demographic characteristics and detailed ophthalmological examination findings of all patients were recorded.

The Relation of Neutrophil to Lymphocyte Ratio and Platelet to Lymphocyte Ratio with High Axial Myopia.

: To investigate the relation between high axial myopia and neutrophil to lymphocyte ratio (NLR) and platelet to lymphocyte ratio (PLR) values.: Seventy-nine cases were enrolled, 50 myopic and 29 emmetropic. All participants were assigned into three groups: Group I (high myopia with no retinal involvement), Group II (high myopia with retinal involvement) and Group III (control).

The Effects of Intravitreal Ranibizumab, Aflibercept or Dexamethasone Implant Injections on Intraocular Pressure Changes.

BACKGROUND The aim of this study was to compare the alterations in intraocular pressure (IOP) values during the early postoperative period after intravitreal ranibizumab, aflibercept, or dexamethasone implant injections. MATERIAL AND METHODS In this retrospective study, a total of 188 patients were grouped into 3 groups: the ranibizumab group, the aflibercept group, and the dexamethasone group. Ocular axial length (AXL) and anterior chamber depth (ACD) were measured in the pre-injection period.

Effects of Pycnogenol on cisplatin-induced optic nerve injury: an experimental study.

Aim: To determine the effects of Pycnogenol on cisplatin-induced optic nerve damage.

Material And Method: Totally 18 albino Wistar male rats were assigned into three groups, with six rats in each group as follows: healthy controls (HC group), only cisplatin (2.5 mg/kg) administered group (CIS group) and Pycnogenol (40 mg/kg) + cisplatin (2.