Determination of the retinal toxicity of intravitreal colistin in rabbit eyes.

Purpose: To determine the possible adverse effects and safe dose range of intravitreal colistin, an antibiotic, after its intravitreal application.

Methods: Twenty eyes of 20 adult male and female New Zealand white rabbits were selected. Various concentrations of colistin were prepared.

Comparison of Biomicroscopy and Light Microscopy Findings in Demodex Diagnosis in Patients With Chronic Blepharitis.

Objectives: We aimed to compare the results of biomicroscopic examination and light microscopy in the diagnosis of Demodex infestation in chronic blepharitis cases.

Methods: The study was performed with retrospective data and included patients with chronic blepharitis and who were admitted to the Medipol University Ophthalmology Outpatient Clinic. Biomicroscopic evaluation was performed intentionally under 40x magnification to investigate the presence of Demodex ectoparasites.

Comparison of rebound tonometry and non-contact airpuff tonometry to Goldmann applanation tonometry.

Purpose: The aim of this study was to compare the intraocular pressure measurements obtained from healthy subjects with the rebound tonometry, non-contact airpuff tonometry, and Goldmann applanation tonometry in different age groups.

Methods: A total of 180 eyes of 90 healthy subjects were included in the study. According to the subjects' ages, the eyes were categorized into three groups: group 1 (age: 7-17 years), group 2 (age: 18-40 years), and group 3 (age: 41-75 years).

Investigation of Demodex Parasite Existence in Treatment-Resistant Chronic Blepharitis Cases.

Objective: Demodex acari is an obligate ectoparasite, and it is usually located in the human hair follicles, eyelash roots, and sebaceous glands. The aim of this study was to investigate the presence of Demodex infestation in chronic blepharitis cases that are resistant to therapy.

Methods: Patients who were admitted at the Istanbul Medipol University School of Medicine Hospital with a diagnosis of chronic blepharitis were included.

Comparison of Central Corneal Thickness with Ultrasound Pachymetry, Noncontact Specular Microscopy and Spectral Domain Optical Coherence Tomography.

Background: To determine the agreement of central corneal thickness (CCT) measurements taken with ultrasonic pachymetry (USP), spectral domain optical coherence tomography (SD-OCT) and noncontact specular microscopy (NSM).

Methods: A prospective, observational, cross-sectional study was performed in the outpatient ophthalmology clinic. CCT was measured in a total of 147 eyes of 147 consecutive healthy patients with USP, NSM, and SD-OCT.

Dry Eye Assessment in Patients With Vitiligo.

Purpose: To evaluate tear osmolarity and tear film parameters in patients with vitiligo.

Methods: A total of 25 eyes of 25 patients with vitiligo with periocular involvement (group 1), 30 eyes of 30 patients with vitiligo without periocular involvement (group 2), and 20 eyes of 20 controls (group 3) were evaluated using the Ocular Surface Disease Index (OSDI) questionnaire, Schirmer I test, tear film breakup time, scoring of ocular surface fluorescein staining using a modified Oxford scale, and tear osmolarity.

Results: Mean tear osmolarity was 332 ± 16.

Posterior Polar Central Choroidal Dystrophy: A Case Report.

A 52-year-old male presented with a 25-year history of decreasing vision. Best corrected visual acuity was 0.3 in his right and 0.

The significance of neutrophil-to-lymphocyte ratio in idiopathic epiretinal membrane.

Purpose: To assess the levels of neutrophil-to-lymphocyte ratio (NLR) in patients with idiopathic epiretinal membrane (iERM) and to compare the NLR results of patients with iERM and healthy controls.

Methods: This retrospective study enrolled 43 patients with iERM and 40 healthy subjects. Complete ophthalmologic examination and complete blood count measurements were performed of all subjects.

Green laser induced foveal cyst sustained in a recreational laser light show.

We report the case of a 9-year-old boy complained of visual loss in his right eye after watching green laser light show being hit by a ray of a laser at shopping center before five days ago. The laser had a maximum power rating of 30 mW (US Food and Drug Administration class IIIB). Best-corrected visual acuity in his right eye was 0.

Tear osmolarity and ocular surface parameters in patients with psoriasis.

Purpose:: The aim of this study was to evaluate tear osmolarity, tear film function, and ocular surface changes in patients with psoriasis.

Methods:: At a single center, 30 eyes of 30 patients with psoriasis (group 1) and 30 eyes of 30 healthy individuals (group 2) were evaluated using the Ocular Surface Disease Index (OSDI) questionnaire, Schirmer I test, tear film break-up time (TBUT) test, scoring of ocular surface fluorescein staining using a modified Oxford scale, and tear osmolarity measurement.

Results:: Tear osmolarity values, OSDI, and Oxford scale scores were significantly higher in group 1 (309.

The Relationship between Metabolic Syndrome, Its Components, and Dry Eye: A Cross-Sectional Study.

Purpose: The aim of this study was to evaluate tear osmolarity and tear film function and ocular surface changes in patients with metabolic syndrome.

Methods: 108 eyes of 64 patients with metabolic syndrome (group 1) and 110 eyes of 55 healthy individuals (group 2) were included in this cross-sectional study. All participants were evaluated using the Ocular Surface Disease Index (OSDI) questionnaire, Schirmer I test, tear film break-up time (TBUT), and tear osmolarity.

The assessment of macular electrophysiology and macular morphology in patients with vitiligo.

Purpose: We aimed to analyze the electrophysiologic function and morphology of macula in vitiligo patients.

Methods: Seventeen patients with vitiligo and 11 healthy subjects were studied. All participants underwent multifocal electroretinography (mfERG) and spectral domain optical coherence tomography (SD-OCT) evaluations.

Changes in Anterior Chamber Depth after Combined Phacovitrectomy.

Objectives: To evaluate changes in anterior chamber depth (ACD) and postoperative refractive outcomes after combined phacovitrectomy.

Materials And Methods: This study included 10 eyes of 10 patients that underwent combined phacovitrectomy (study group) and 14 eyes of 14 patients that underwent phacoemulsification surgery (control group) at İstanbul Medipol University Ophthalmology Department. Preoperative and 3-month postoperative best corrected visual acuity (BCVA), ACD, change in ACD and refractive outcomes were compared between the two groups.

Tear Osmolarity and Tear Film Parameters in Patients With Ocular Rosacea.

Objectives: The aim of this study was to evaluate tear osmolarity and tear film parameters in patients with ocular rosacea.

Methods: In a single center, 25 eyes of 25 patients with ocular rosacea (group 1), 25 eyes of 25 patients with rosacea without ocular involvement (group 2), and 20 eyes of 20 healthy individuals (group 3) were evaluated using the Ocular Surface Disease Index (OSDI) questionnaire, Schirmer I test, tear film break-up time (TBUT), scoring of ocular surface fluorescein staining using modified Oxford scale, and tear osmolarity.

Results: Tear osmolarity values, OSDI and Oxford scale scores were significantly higher in group 1 than in groups 2 and 3 (P<0.

A CASE OF CONE DYSTROPHY ASSOCIATED WITH CHOROIDAL NEOVASCULARIZATION.

Purpose: To report a case of choroidal neovascularization (CNV) in a patient with cone dystrophy (CD).

Methods: Case report.

Results: A 20-year-old woman presented with diminished vision in her right eye.

Efficacy of adjunctive mitomycin C in transcanalicular diode laser dacryocystorhinostomy.

The objective of the study was to compare the success rate of transcanalicular laser dacryocystorhinostomy (TCL-DCR) with or without the use of adjunctive mitomycin C (MMC) in cases with primary nasolacrimal duct obstruction (NLDO). This retrospective study was comprised of 68 patients with uncomplicated primary NLDO. There were two groups in the study: the Group 1 (n = 35) patients underwent TCL-DCR surgery with MMC and the Group 2 (n = 33) patients underwent TCL-DCR surgery without MMC.

Dry Eye Assessment in Patients With Vitamin D Deficiency.

Objectives: The aim of this study was to evaluate tear film function in patients with vitamin D deficiency.

Methods: In a single center, 60 eyes of 30 patients with vitamin D deficiency (group 1), and 60 eyes of 30 healthy individuals (group 2) were evaluated using the Ocular Surface Disease Index (OSDI) questionnaire, Schirmer I test, tear break-up time (TBUT), scoring of ocular surface fluorescein staining using a modified Oxford scale, and tear osmolarity.

Results: Tear osmolarity values, OSDI, and Oxford scale scores were significantly higher in group 1 (309±9 mOsm/L, 35.

Evaluation of Retinal and Choroidal Thickness in Fuchs' Uveitis Syndrome.

Purpose. We aimed to investigate retinal and choroidal thickness in the eyes of patients with Fuchs' uveitis syndrome (FUS). Methods.

Serum and Aqueous Concentrations of Inflammatory Markers in Diabetic Macular Edema.

Purpose: To investigate the relationship between the serum and aqueous levels of inflammatory markers and diabetic macular edema (DME).

Methods: The study included four patient groups: the healthy control group (n = 23 eyes); the diabetic control group (n = 22 eyes); the groups with and without DME (n = 20 eyes and n = 22 eyes, respectively). The patients were evaluated based on their serum levels of HbA1c, C-reactive protein (CRP) and serum and aqueous levels of tumor necrosis factor-alpha (TNF-α).

Anterior Segment Optical Coherence Tomography Assessment After Laser Capsulotomy in Pseudophakic Eyes With Pseudoexfoliation.

Purpose: To assess changes in anterior-chamber depth (ACD) and angle width after neodymium:yttrium aluminum garnet (Nd:YAG) laser capsulotomy pseudophakia in eyes with pseudoexfoliation (PEX).

Methods: This prospective and interventional case series study included 25 pseudophakic eyes of 25 patients with PEX and 26 pseudophakic eyes of 26 patients without PEX scheduled for Nd:YAG laser capsulotomy in a single institution. Anterior-chamber depth and angle width were measured with anterior segment optical coherence tomography before and three days after Nd:YAG laser capsulotomy.

Dry Eye Related to Commonly Used New Antidepressants.

Antidepressants may have an impact on the course of eye dryness. The aim of this study was to investigate the effects of commonly used new antidepressants on eye wetting. Fifty-four patients using new antidepressants and 57 controls were recruited.

Compare the effects of two silicone-hydrogel bandage contact lenses on epithelial healing after photorefractive keratectomy with anterior segment optical coherence tomography.

Purpose: To evaluate the efficacy of two silicone hydrogel bandage lenses (SiHy) on epithelial healing following photorefractive keratectomy (PRK) with anterior segment optical coherence tomography (AS-OCT).

Methods: Forty-two eyes of 21 patients who underwent PRK were included in a contralateral eye comparison study. At the end of the procedure, one eye of each patient was fitted with a Lotrafilcon B contact lens whereas the fellow eye was fitted with a Comfilicon A lens.

Anterior segment optical coherence tomography evaluation of corneal epithelium healing time after 2 different surface ablation methods.

Objectives: To compare epithelial healing time following laser epithelial keratomileusis (LASEK) and photorefractive keratectomy (PRK) with anterior segment optic coherence tomography (AS-OCT).

Methods: This prospective interventional case series study comprised 56 eyes of 28 patients that underwent laser refractive surgery in the Department of Ophthalmology, Medipol University Medical Faculty, Istanbul, Turkey, between March 2014 and May 2014. Each patient was randomized to have one eye operated on with PRK, and the other with LASEK.