Changes in retinal vessel and retinal layer thickness after cross-linking in keratoconus via swept-source OCT angiography.

Purpose: To analyze the postoperative foveal avascular zone (FAZ) area, superficial capillary plexus (SCP), deep capillary plexus (DCP) vascular densities (VD), and retinal layers after cross-linking (CXL) for keratoconus treatment.

Methods: Twenty-seven eyes with cross-linking treatment for keratoconus were included in the study. Foveal avascular zone (FAZ) area, SCP VD, DCP VD, and retinal layers were evaluated by using optical coherence tomography angiography (OCTA).

Ocular surface assessment and morphological alterations in meibomian glands with non-contact meibography in electronic cigarette smokers.

Purpose: The study aimed to evaluate the ocular surface and meibomian gland morphology in electronic cigarette (e-cigarette) smokers.

Methods: The upper and lower eyelids of 25 male e-cigarette smokers and 25 healthy male non-smoker patients were evaluated using Sirius meibography. Meibomian glands loss was automatically calculated using Phoenix meibography imaging software module, with the result obtained as percentage loss.

Analysis of optical coherence tomography angiographic findings of prematurely born children and its relationship with macular edema of prematurity.

Purpose: To compare foveal avascular zone (FAZ) area, foveal vascular density (VD), and foveal thickness in pre- and full-term children and to evaluate their relationship with cystoid macular edema (CME) in the prematurity period using spectral domain optical coherence tomography angiography (SD-OCTA).

Methods: OCTA imaging was performed at 4-6 years of age in 90 eyes of 45 prematurely born children and 50 eyes of 25 term children. Subjects were divided into three groups: prematurely born with CME (group 1); prematurely born without CME (group 2); healthy, term children (group 3).

Comparison of bevacizumab, ranibizumab and aflibercept in retinopathy of prematurity treatment.

Purpose: To compare the efficacy and refractive outcomes of intravitreal bevacizumab, ranibizumab and aflibercept in retinopathy of prematurity (ROP) treatment.

Methods: We analyzed the files of patients treated with intravitreal bevacizumab, ranibizumab and aflibercept for ROP, retrospectively. A total of 187 eyes of 111 patients were included.

Evaluation of the Findings of Patients Who Underwent Sutureless Flanged Transconjunctival Intrascleral Intraocular Lens Implantation with or without Pars Plana Vitrectomy.

Purpose: To compare the visual outcomes and complications of patients who underwent flanged transconjunctival sutureless intrascleral intraocular lens (SIS IOL) implantation after anterior and pars plana vitrectomy.

Methods: All patients who underwent flanged transconjunctival SIS IOL fixation using a 27-gauge needle between September 2017 and November 2019 and were followed up for at least six months were evaluated. The cases in which anterior vitrectomy was performed were classified as Group 1, and those that underwent pars plana vitrectomy were classified as Group 2.

Are YouTube Videos Useful in Informing Patients about Keratoplasty?

: The objective of this study was to analyze the quality of videos on YouTube as educational resources about keratoplasty surgery.: The first 100 videos found after the keyword "keratoplasty for patients" was used in the YouTube search engine were included in the study. General video assessment included duration, views, likes, dislikes, and comments.

Long-term full-field and multifocal electroretinographic changes after treatment with ranibizumab in patients with diabetic macular edema.

Purpose: To investigate changes in macular and panretinal neuroretinal functions by electroretinographic examinations in eyes with diabetic macular edema (DME) treated with intravitreal ranibizumab.

Material And Methods: Sixty-four patients with DME were included in this prospective study. Patients were treated with ranibizumab injection according to the PRN regimen for over 12 months.

Endophthalmitis in Retinopathy of Prematurity after Intravitreal Aflibercept Injection.

We report the case of a male infant who had an intravitreal anti-VEGF (aflibercept) injection for the treatment of retinopathy of prematurity at 35-week postmenstrual age. Four days following the injection, retinal imaging demonstrated a yellowish gray blurred mass that extended into the vitreous in the right eye, and the vitreous body was blurred. After two days, despite starting endophthalmitis treatment, there was still no improvement in the retinal lesion.

The effect of electronic cigarette smoking on retinal microcirculation: Enlargement of the foveal avascular zone.

Background: To evaluate retinal microcirculation in electronic cigarette (e-cigarette) smokers using optical coherence tomography angiography (OCTA).

Methods: OCTA measurements were performed on the left eyes of 21 e-cigarette smokers and 21 healthy controls. Superficial and deep foveal, perifoveal and parafoveal vessel densities, outer retina and choriocapillaris flow area, foveal avascular zone (FAZ), and central macular thickness were evaluated in both groups.

Effect of macular edema in the premature period on refraction in infants screened and treated for retinopathy of prematurity.

Background: To determine the effect of macular edema on refraction in infants with retinopathy of prematurity (ROP) at the ages of one, two and three years using Optical Coherence Tomography (OCT).

Methods: Optical coherence tomography (OCT) was performed to detect and categorize edema in 280 eyes of 280 premature infants. The cross-sectional spectral domain OCT imaging of the macular region was performed between weeks 36 and 42 to assess macular development.

The Effect of Hemodialysis on Axial Length, Ocular Surface, and Intraocular Pressure in Patients with End-Stage Renal Failure.

Purpose: To evaluate the changes in intraocular pressure (IOP), central corneal thickness (CCT), axial length, and ocular surface in patients with end-stage renal failure after single-session hemodialysis treatment and to examine the correlation of these findings with systemic hemodynamic parameters.

Patients And Methods: A total of 112 eyes of 112 patients enrolled in a hemodialysis treatment program for three times a week (approximately four hours per session) for at least three months in our hospital between December 2019 and March 2020 were included in the study. Approximately 30 minutes before and after hemodialysis, the best-corrected visual acuity measurement, slit-lamp examination, IOP measurement, and dilated fundus examination with the Goldmann applanation tonometer were performed in all patients.

Prevalence of primary open-angle glaucoma in a Somalia population.

Purpose: To determine the prevalence of primary open-angle glaucoma (POAG) in patients over 40 years that presented to our tertiary hospital in Somalia Mogadishu.

Methods: This prospective cross-sectional study included 1550 patients older than 40 years that presented to the ophthalmology clinic of Somalia Mogadishu - Turkey Training and Research Hospital. The patients were evaluated in terms of age, gender, intraocular pressure, and optical cup/disk (C/D) ratio, and central corneal thickness measurements were taken.

Ischemia-Modified Albumin Levels and Thiol-Disulphide Homeostasis in Diabetic Macular Edema in Patients with Diabetes Mellitus Type 2.

Purpose: It was aimed to assess the role of thiol-disulphide homeostasis and ischemia-modified albumin (IMA) level in the development of diabetic macular edema (DME) in patients with diabetes mellitus type 2 (T2DM).

Materials And Methods: Sixty-six study patients were divided into two groups. Group I included 43 patients with T2DM and DME, and Group 2 included 23 patients with T2DM without eye involvement.

Inner Retinal Layer Disease: Multiple Sclerosis.

Objectives: This study was an analysis of the retinal layer thickness in multiple sclerosis (MS) patients using spectral-domain optical coherence tomography (SD-OCT).

Methods: A total of 42 patients diagnosed in the neurology clinic with MS according to the McDonald Criteria and 21 healthy individuals were included in the study and 4 groups were created. The first group comprised 21 eyes of 21 MS patients without eye involvement, the second group was made up of 21 eyes of 21 MS patients with a history of optic neuritis, the third group included the other eye of patients in the second group without a history of optic neuritis, and the fourth group was a control group of 21 eyes of 21 healthy individuals.

Anticataractogenic effect of betaine in chick embryo hydrocortisone-induced cataract model.

Background & Objectives: Cataract is one of the leading causes of blindness in the world. The aim of the present study was to investigate anticataractogenic effect of betaine in chick embryo hydrocortisone (HC)-induced cataract model.

Methods: The study included 60 fertilized eggs divided into six groups each having 10 eggs: one group treated with only HC (HC group); three treated with both HC and different doses of betaine (HC/B 1.

Is age-related macular degeneration a local manifestation of systemic disorder? Changes in nailfold capillaries at age-related macular degeneration.

Aims: Determining whether nailfold capillary involvement is present in patients with Age-related macular degeneration (AMD) and whether there are different nailfold capillaroscopy findings between wet and dry types.

Methods: From January 2016 to December 2017, with an initial diagnosis of AMD, 53 consecutive adult patients (AMD group) and 91 age- and sex-matched healthy individuals were studied prospectively. There was no history of any other ocular disease and other disease affecting nailfold capillaries.

Bilateral serous retinal detachment accompanied by a rare intraretinal fluid configuration in preeclampsia and PRES Syndrome.

To present the association between posterior reversible encephalopathy (PRES) syndrome due to preeclampsia and bilateral serous retinal detachment (SRD) accompanied by intraretinal fluid configuration. A 24-year-old woman, at 28 weeks of gestation presented with blurred vision bilaterally related to bilateral SRD involving the center of the macula accompanied by intraretinal fluid. The patient was diagnosed as pre-eclampsia accompanied by PRES syndrome.

Quality of life among patients with age-related severe macular degeneration assessed using the NEI-VFQ, HADS-A, HADS-D and SF-36 tests. A cross-sectional study.

Background: Exudative age-related macular degeneration (e-AMD) may cause severe central vision loss. Patients with e-AMD can experience difficulties in daily basic activities and suffer from psychological problems. Our aim was to assess quality of life (QoL) and anxiety and depression status among patients with e-AMD.

The novel model: Experimental optical coherence tomography-guided anterior segment imaging chick embryo model.

Purpose: The aim of this study was to present an experimental optical coherence tomography (OCT)-guided anterior segment (AS) imaging chick embryo model. Through this model, we aimed to reveal similarities and differences between human cornea, AS tissues, and chick embryo tissues by quantitative image analysis.

Methods: Ex vivo, the chick embryos' globes were determined by detailed AS camera of spectral-domain (SD)-OCT in 10 fertilized specific pathogen-free eggs on the 20 day.

Comparison of anterior segment measurements using Sirius Topographer and Nidek Axial Length-Scan with assessing repeatability in patients with cataracts.

Purpose: The purpose of this study is to evaluate anterior segment measurements obtained using CSO Sirius Topographer (CSO, Firenze, Italy) and Nidek Axial Length (AL)-Scan (Nidek CO., Gamagori, Japan).

Methods: A total of 43 eyes of 43 patients were included in this prospective study.

Repeatability and reproducibility of automatic segmentation of retinal layers in healthy subjects using Spectralis optical coherence tomography.

Purpose: To evaluate the repeatability and reproducibility of automatic segmentation in healthy subjects using a Spectralis optical coherence tomography (OCT) system.

Methods: A total of 60 eyes from 60 patients were included in this prospective study. Spectral-domain optical coherence tomography images were generated using the Spectralis OCT system.

Effect of smoking on the thickness of retinal layers in healthy smokers.

Purpose: To compare the thicknesses of the retinal layers in smokers with those of nonsmoking healthy subjects using spectral-domain optical coherence tomography (SD-OCT).

Methods: One hundred and eight subjects were included in the study. Two groups were separated as smokers and nonsmokers.

Periocular mexametric melanin and erythema indexes in adult glaucoma patients treated with topical prostaglandin analogs.

Context: Although topical prostaglandin analogs (PGAs) have been previously associated with periocular skin hyperpigmentation, studies using objective clinical methods are lacking. Furthermore changes in periocular skin erythema indexes associated with topical PGAs have not been reported previously.

Objective: The purpose of the present study was to evaluate periocular melanin and erythema indexes in patients treated with topical PGA using an objective clinical method - Mexameter.

A review of unilateral acute idiopatic maculopathy related to hand-foot-mouth disease with a representative case.

The purpose of this study was to review unilateral acute maculopathy associated with hand-foot-mouth disease with a representative case. Clinical course of a 24-year-old male case with unilateral acute idiopatic maculopathy documented by multimodal imaging is presented, and a review of similar cases is given. On initial examination, best-corrected visual acuity was 20/200 in the left eye.