Prevalence of Serous Macular Detachment in Recurrent Macular Edema Secondary to Retinal Vein Occlusion.

Objectives: To evaluate the prevalence of serous macular detachment (SMD) accompanying recurrent cystoid macular edema (CME) in patients initially treated for CME secondary to retinal vein occlusion (RVO) with accompanying SMD, and discuss the factors that affect the prevalence.

Materials And Methods: We retrospectively evaluated the medical records of 71 patients with RVO-associated CME and SMD who achieved complete anatomical resolution after treatment with either a single dexamethasone implant or three loading doses of ranibizumab and developed recurrent CME during follow-up.

Results: Initial treatment was a single intravitreal dexamethasone implant in 45 patients (63.

The Effect of ChromaGen Contact Lenses on Corneal Clarity: A Corneal Densitometry.

Objectives: The purpose of this study is to investigate the effect of ChromaGen contact lens (CCL) on corneal clarity, expressed through the measurement of corneal densitometry (CD) values.

Methods: This study included 22 eyes of 22 patients with congenital red-green color vision deficiency who were admitted to our clinic for the CCL trial. After a detailed ophthalmological examination and CD measurement with Pentacam HR (Oculus Optikgerate GmbH, Wetzlar, Germany), the most appropriate CCLs were defined through pseudoisochromatic plates and inserted for 2 h.

The pupillary dynamics of patients with physiological anisocoria.

Background: To evaluate static pupillometric measurements and making inter-ocular comparative analysis in healthy subjects for demonstrating the prevalance of physiological anisocoria in various lighting conditions and to compare the variations of the dynamic pupillometric measurements of the patients with physiological anisocoria.

Methods: Automatic quantitative pupillometry system was used to measure pupillary diameters in low mesopic (0.1 cd/m), high mesopic (1 cd/m), low photopic (10 cd/m) and high photopic (100 cd/m) conditions.

Static and Dynamic Pupillary Responses in Patients with Different Stages of Diabetic Retinopathy.

This study aimed to investigate pupillary involvement in patients with type 2 diabetes mellitus (DM) and to evaluate whether there is a relationship between severity of diabetic retinopathy (DR) and pupillary responses. The study included 133 individuals in four groups: proliferative DR, non-proliferative DR, DM group without retinal involvement and a control group. Static pupillometry measurements including scotopic pupil diameter (PD), mesopic PD, low photopic PD, high photopic PD, and dynamic pupillometry measurements, including resting diameter, amplitude, latency, velocity, duration of pupil contraction and latency, duration, and velocity of pupil dilatation were taken using an automated quantitative pupillometry system.

Effects of diabetes duration and HgA1C level on corneal endothelial morphology.

Objective: The aim of this study is to investigate the effects of the HbA1c level and the duration of diabetes mellitus on the corneal endothelium morphology and to compare between healthy individuals and diabetes mellitus patients with non-proliferative diabetic retinopathy and proliferative diabetic retinopathy.

Material And Methods: Ninety patients who applied to the Health Sciences University Ulucanlar Eye Training and Research Hospital between January 2016 and January 2017 were included in this prospective randomized study. In the study, 45 diabetes mellitus patients and 45 healthy individuals were evaluated.

Pattern electroretinography in patients with unilateral acute central serous chorioretinopathy.

Background: To evaluate the pattern electroretinography (PERG) in patients with acute central serous chorioretinopathy (CSCR) at baseline and after spontaneous resolution.

Methods: A total of 32 patients (mean ± SD age: 38.8 ± 8.

The effect of the ChromaGen contact lens system on visual performance.

Background: To evaluate the effects of the ChromaGen contact lens (CCL) on best-corrected visual acuity, contrast sensitivity and pseudoisochromatic test plate performance in patients with congenital colour vision deficiency (CVD).

Methods: CCLs were inserted into 50 eyes of 25 patients with congenital red-green CVD. The patients were tested with the Ishihara and Hardy-Rand-Rittler test plates before and after the insertion of Magenta 2, Magenta 3, and Violet 3 CCLs.

Assessment of Corneal and Lens Density in Children With Celiac Disease.

Purpose: To assess the early changes of corneal and lens density in a pediatric population with celiac disease.

Methods: One hundred one patients were included in this observational and prospective study. Patients with celiac disease formed the celiac disease group.

Static and dynamic pupil characteristics in pseudoexfoliation syndrome and glaucoma.

Background: To compare the static and dynamic pupillometry measurements in patients with pseudoexfoliation syndrome (PES), patients with pseudoexfoliation glaucoma (PEG) and age-matched healthy subjects using an automatic quantitative pupillometry system.

Methods: This prospective, cross-sectional study consisted of 40 patients with PES, 30 patients with PEG and 43 control subjects. Static pupillometry measurements including scotopic pupil diameter, mesopic pupil diameter, low photopic pupil diameter, and high photopic pupil diameter were undertaken.

23-gauge transconjunctival vitrectomy for posterior segment intraocular foreign bodies.

Background: This study is a report of the outcomes of 23-gauge (G) transconjunctival vitrectomy (TV) performed to treat a posterior segment intraocular foreign body (IOFB).

Methods: The data of 14 eyes of 14 patients who underwent 23-G TV for the removal of a posterior segment IOFB were reviewed in this study. Surgery was initiated with a 23-G system in each case and the posterior segment IOFB was removed through the enlarged sclerotomy site.

Quantitative analysis of retinal microcirculation in children with hyperopic anisometropic amblyopia: an optical coherence tomography angiography study.

Purpose: To evaluate optical coherence tomographic angiography (OCTA) findings on retinal microcirculation in hyperopic anisometropic amblyopia compared with fellow eyes and nonamblyopic control eyes.

Methods: A total of 40 pediatric patients with hyperopic anisometropic amblyopia and 57 control subjects were recruited, and 137 eyes (40 amblyopic, 40 fellow, and 57 control eyes) were evaluated. Data on best-corrected visual acuity (logMAR), axial length (mm), refractive error, and OCTA findings (foveal avascular zone parameters, macular vascular density in superficial and deep retinal capillary plexus, central macular thickness) were recorded in amblyopic, fellow, and control eyes.

Assessment of corneal and lens clarity in children with Wilson disease.

Purpose: To investigate the effect of copper accumulation on corneal and lens clarity in children with Wilson disease (WD) compared to healthy children.

Methods: This multicenter cross-sectional study included 24 subjects with WD and 25 age-matched controls. Clinical and laboratory characteristics of the WD subjects were recorded.

Aqueous humor IL-8, IL-10, and VEGF levels in Fuchs' uveitis syndrome and Behçet's uveitis.

Purpose: This study investigated the levels of interleukin (IL)-8, IL-10, and vascular endothelial growth factor (VEGF) in the aqueous humor (AqH) of patients with Behçet's uveitis (BU) and Fuchs' uveitis syndrome (FUS) during an inactive period and compared these levels with those in the AqH of noninflammatory healthy control subjects.

Methods: This prospective and case-control study included 33 patients (16 patients with BU and 17 patients with FUS) and 35 control subjects. IL-8, IL-10, and VEGF levels in the AqH were quantified by performing sandwich enzyme-linked immunosorbent assay.

Evaluation of dynamic thiol-disulfide homeostasis in glaucoma patients and the correlation with retinal nerve fiber layer analysis.

Purpose: The aim of this study was to evaluate thiol/disulfide homeostasis and ischemia-modified albumin levels with primary open-angle glaucoma, ocular hypertension, and control group; also to interpret the correlation between these biochemical parameters and retinal nerve fiber layer analysis.

Material And Methods: In a prospective cross-sectional study, 30 primary open-angle glaucoma cases, 30 ocular hypertension cases, and 30 control subjects were included in the study. Native thiol, total thiol, and disulfide measurements and disulfide/native thiol, disulfide/total thiol, and native thiol/total thiol ratios were evaluated as thiol-disulfide homeostasis.

Evaluation of tear meniscus dimensions using anterior segment optical coherence tomography in video terminal display workers.

Background: To evaluate tear meniscus height and tear meniscus area measured by optical coherence tomography (OCT) and to determine the prevalence of dry eye disease in video display terminal (VDT) users.

Methods: This was a case-control study performed on VDT users. The case group consisted of 53 subjects who vocationally use VDT more than six hours per day and the control group consisted of 49 subjects who used VDT not more than one hour per day.

Comparison of Refractive Status and Anterior Segment Parameters of Juvenile Open-Angle Glaucoma and Normal Subjects.

Objectives: Our aim was to compare the refractive status and anterior segment parameters of patients with juvenile open-angle glaucoma (JOAG) and normal subjects.

Materials And Methods: Twenty-five recently diagnosed cases of JOAG and 24 normal subjects were included in this prospective controlled clinical trial. Central corneal thickness (CCT), anterior chamber depth (ACD), lens thickness (LT), axial length (AL), K1 and K2 keratometry, and white-to-white distance (WTW) measurements were performed with optical biometry (LenStar LS 900, Haag Streit Diagnostics).

Depth perception in patients with congenital color vision deficiency.

Purpose: To assess the effect of type and severity of congenital color vision deficiency (CCVD) on depth perception.

Methods: Thirty-one male patients with a known diagnosis of CCVD were included in the study group and 31 age-matched healthy subjects in the control group. After standard ophthalmological examination including best corrected visual acuity (BCVA) testing with Snellen chart, slit-lamp examination, non-contact tonometry, and fundus examination, all patients underwent color perception testing with Hardy-Rand-Rittler (HRR) 4th edition pseudoisochromatic test plates and stereoacuity testing with Titmus stereo test plates.

Effect of microalbuminuria on macular thickness in patients with type-2 diabetes mellitus.

Purpose: To investigate the effect of microalbuminuria on macular thickness in patients with type-2 diabetes mellitus with no or mild diabetic retinopathy and to investigate the relationship between macular thickness and metabolic parameters.

Materials And Methods: Fifty eight eyes of 58 patients without diabetic retinopathy (group 1) in microalbuminuria stage, 42 eyes of 42 patients with mild diabetic retinopathy (group 2) in microalbuminuria stage, and 50 eyes of 50 patients without diabetic retinopathy and microalbuminuria (group 3) were included in this study. After detailed ophthalmologic examination, all patients underwent spectral domain-optical coherence tomography measurements.

Effect of accelerated corneal crosslinking on ocular response analyzer waveform-derived parameters in progressive keratoconus.

Purpose: To evaluate the effect of accelerated corneal crosslinking on corneal biomechanics with an ocular response analyzer in patients with progressive keratoconus.

Methods: In this retrospective study, 50 eyes of 45 patients with progressive keratoconus who underwent accelerated corneal crosslinking were evaluated with ocular response analyzer waveform parameters before and one year after corneal crosslinking. Paired two-tailed Student's t-test was performed to compare the parameters before vs.

The evaluation of the effect of Helicobacter pylori infection on choroidal thickness.

Background/aims: To evaluate the effects of Helicobacter pylori infection on choroidal thickness (CT) using enhanced depth imaging spectral domain-optical coherence tomography (SD-OCT).

Materials And Methods: A total of 63 right eyes of 63 patients who tested positive for H. pylori (Group 1) and 46 right eyes of 46 patients who tested negative for H.

Could Platelet Indices and Neutrophil to Lymphocyte Ratio Be New Biomarkers for Differentiation of Arteritic Anterior Ischemic Neuropathy from Non-Arteritic Type?

The aim of this study was to assess the possible relationship between AAION (arteritic anterior ischemic optic neuropathy) and NAION (non-arteritic anterior ischemic optic neuropathy) with blood platelet parameters and NLR (neutrophil-to-lymphocyte ratio). The medical records of 12 patients with AAION, 33 patients with NAION, and 35 healthy subjects were examined. MPV, PDW, and PCT values showed marked elevation in AAION and NAION groups compared with control group.

The effect of corneal infiltrates on densitometry and higher-order aberrations.

Background: This study aimed to measure the effects of persistent corneal subepithelial infiltrates associated with epidemic keratoconjunctivitis on corneal densitometry and total corneal higher order aberrations (HOAs), and to compare these measurements with the data obtained from their fellow unaffected healthy eyes.

Methods: This prospective cross-sectional study included those who had persistent subepithelial infiltrates in only the affected eyes for at least three months and clinically normal fellow unaffected eyes. Corneal densitometry was measured with the densitometry software of the Pentacam HR-Scheimpflug corneal topographer over a 12 mm diameter of cornea.

Brain-Derived Neurotrophic Factor in Patients With Age-Related Macular Degeneration and Its Correlation With Retinal Layer Thicknesses.

Purpose: To determine brain-derived neurotrophic factor (BDNF) levels in serum and aqueous humor (AH) and to assess the relationship between BDNF levels and retinal layer thicknesses in age-related macular degeneration (AMD).

Methods: A total of 48 AMD patients (AMD group) that was composed of twenty-three nonexudative and 25 exudative patients and 26 control subjects (control group) were included in the study. Serum and AH BDNF levels were assessed by ELISA method.

Full Thickness Retinal Hole Formation after Nd:YAG Laser Hyaloidotomy in a Case with Valsalva Retinopathy.

A 27-year-old male was presented with a sudden onset of visual loss in his right eye. A secondary care center referred the patient with fundus photographs which were screened 4 days before and after the Nd: YAG laser hyaloidotomy treatment. Snellen acuity was 10/10 in both eyes.

Stabilization Time of Anterior Segment Parameters After Trabeculectomy Surgery.

Objectives: To investigate the postoperative changes in the anterior segment parameters by Scheimpflug imaging method in patients undergoing trabeculectomy surgery.

Methods: This prospective study included 38 phakic eyes of 38 patients with primary open-angle glaucoma who underwent trabeculectomy. Anterior chamber angle (ACA), anterior chamber depth (ACD), anterior chamber volume (ACV), and central corneal thickness (CCT) of the eyes were measured by performing Scheimpflug imaging in preoperative (baseline) and postoperative periods (1st week and 1st, 3rd, and 6th months after the surgery).