Choroidal vascularity index after a single dose of intravitreal dexamethasone implant in patients with refractory diabetic macular oedema.

Purpose: To evaluate choroidal vascularity index (CVI) after a single dose of intravitreal dexamethasone implant in refractory diabetic macular oedema (DME).

Methods: Total choroidal area, luminal area, and CVI were measured at baseline, 1st month, and at 3rd month after dexamethasone implant using binarization of enhanced depth imaging optical coherence tomography (EDI-OCT) images.

Results: A total of 25 eyes of 25 patients (mean age: 61.

Analysis of choroidal vascularity index in multiple sclerosis patients without optic neuritis attack.

Background: To evaluate the choroidal structural changes in multiple sclerosis (MS) patients without previous optic neuritis (ON) attacks.

Methods: Forty eyes of 20 MS patients without a history of ON and 40 eyes of 20 age-matched healthy volunteers were included in this study. The choroidal thickness (CT) was measured at three points; subfoveal, 1500 µm nasal to the fovea, and 1500 µm temporal to the fovea.

Structural alterations of the choroid evaluated using enhanced depth imaging optical coherence tomography in patients with coronavirus disease.

Purpose: To assess choroidal changes using enhanced depth imaging optical coherence tomography in coronavirus disease (COVID-19).

Methods: Thirty-two patients with moderate COVID-19 and 34 healthy subjects were included in the study. Choroidal thickness was measured at 3 points as follows: at the subfovea, 1500 mm nasal to the fovea, and 1500 mm temporal to the fovea.

Choroidal vascularity index in obstructive sleep apnea syndrome.

Background: There is growing evidence supporting an association between obstructive sleep apnea syndrome (OSAS) and systemic vascular disorders. However, the data on choroidal microvasculature are limited. In recent years, choroidal thickness (CT) and choroidal vascularity index (CVI) have been of considerable interest as objective markers of choroidal vascularity.

Electronic Device Screen Time and Meibomian Gland Morphology in Children.

Purpose: To investigate changes in meibomian gland morphology and impact of electronic device usage time on meibomian glands in pediatric age group.

Methods: In this prospective study, 149 eyes of 149 children were enrolled. The participants also completed the Standard Patient Evaluation of Eye Dryness (SPEED) questionnaire and provided information regarding weekly hours spent in front of a digital screen.

Factors effecting the choroidal vascularity index in children with mild to moderate myopia.

Purpose: To measure the choroidal structural parameters in a population of myopic children and determine the factors effecting the choroidal vascularity index (CVI).

Methods: In total, 200 eyes of 200 children (100 females, 100 males) with a mean age of 11.5 ± 1.

Short-term effect of angiotensin-converting enzyme inhibitor on retinal vessel diameter in patients with systemic hypertension.

Purpose: To determine the retinal vessel diameter changes after angiotensin-converting enzyme (ACE) inhibitor treatment in a group of hypertensive patients.

Methods: This study included 60 treatment-naive hypertensive patients who were treated with ACE inhibitor. Sixty healthy volunteers served as control group.

Assessment of choroidal vascularity index during the menstrual cycle.

Purpose: To explore the effect of menstrual cycle on choroidal vascularity index (CVI).

Methods: Thirty six eyes of 36 healthy women were included in this prospective study. The menstrual cycles were regular and ranged from 28 to 30 days in length.

Short-term effect of angiotensin converting enzyme inhibitor on choroidal vascularity.

Purpose: To determine the effect of angiotensin-converting enzyme (ACE) inhibitors on choroidal vascularity using the binarization method in a group of treatment-naïve hypertensive patients.

Methods: There were 48 treatment-naive hypertensive patients who were diagnosed according to the "2013 European Society of Hypertension/European Society of Cardiology" guideline and started angiotensin-converting enzyme inhibitor perindopril (Coversyl) in the study. As a control group, 48 healthy volunteers were randomly selected among people who attended the outpatient clinic for routine ophthalmological examination.

Choroidal vascularity index and retinal nerve fiber layer reflectivity in newly diagnosed migraine patients.

Purpose: To evaluate the choroidal structural parameters, peripapillary retinal nerve fiber layer (RNFL) thickness, and optic density index (ODI) and their correlations in patients with migraine.

Methods: Twenty-eight newly diagnosed migraine patients and 28 age-matched healthy controls were included in this prospective cross-sectional study. The enhanced depth-optical coherence tomography images were evaluated.

Association of choroidal structure and body mass index in an adult population.

Purpose: To determine the relation of choroidal structural parameters and body mass index (BMI) in an adult population.

Methods: About 144 eyes of 144 healthy individuals were incorporated. There were four groups according to BMI values: Group 1 (⩽18.

Choroidal structural changes determined by the binarization method after intravitreal aflibercept treatment in neovascular age-related macular degeneration.

Aim: To assess the choroidal structural alterations after intravitreal injection of aflibercept in neovascular age-related macular degeneration (nAMD).

Methods: Fifty eyes with treatment-naïve nAMD were evaluated at baseline, 3, and 12 month. Fifty eyes of 50 healthy subjects were also included as controls.

Choroidal structural changes and choroidal vascularity index in patients with systemic hypertension.

Purpose: To assess the impact of systemic hypertension on the choroidal structure and choroidal vascularity index (CVI).

Methods: This prospective cross-sectional study comprised 50 eyes of 50 treatment-naive hypertensive patients and 50 eyes of 50 healthy subjects. Choroidal thickness (CT) was measured in the subfoveal region, 1500 µm nasal to the fovea, and 1500 µm temporal to the fovea.

Macular ganglion cell complex changes in eyes treated with aflibercept for neovascular age-related macular degeneration.

Background: To evaluate the effect of intravitreal aflibercept injection on macular ganglion cell complex (GCC) in patients with neovascular age-related macular degeneration (nAMD).

Methods: In total, 36 eyes of 36 treatment-naïve patients with nAMD (18 female and 18 male) and 36 eyes of 36 healthy subjects (20 female and 16 male) as controls were included in this retrospective study. Spectral-domain optical coherence tomography images were evaluated after each injection for 3 months and at 12 months.

Comparison of the effects of intravitreal ranibizumab and aflibercept on retinal vessel diameters in patients with diabetic macular edema.

Purpose: To evaluate and compare the effects of intravitreal ranibizumab and aflibercept treatment on retinal vessel diameters in patients with diabetic macular edema (DME).

Methods: Thirty initial-treatment naïve patients with DME who received three loading doses at monthly intervals of intravitreal ranibizumab or aflibercept were retrospectively reviewed. The diameters of the central retinal artery and vein sections at a distance of 1500 microns from the optical disc boundary were measured and evaluated at baseline and after the first, second, and third month of the treatment, using infrared images from optical coherence tomography (OCT) (Heidelberg Engineering, Heidelberg, Germany).

Evaluation of Nasopharyngeal and Conjunctival Swab Samples of Hospitalised Patients with Confirmed COVID-19.

Purpose: To evaluate the results of conjunctival and nasopharyngeal swab tests in patients with confirmed COVID-19.

Methods: This prospective study included 45 patients who were hospitalized for confirmed COVID-19. Nasopharyngeal swab samples were obtained from the patients before hospitalization.

Retinal Vessel Diameter Changes in COVID-19 Infected Patients.

: To evaluate the longitudinal changes in retinal vessel diameters in patients with coronavirus disease 2019 (COVID-19).: This study included 25 patients with COVID-19 (Group 1) and 25 healthy subjects (Group 2). The diameters of peripapillary temporal and nasal retinal arteries and veins were measured at baseline and at 4 months after remission.

Evaluation of choroidal thickness and choroidal vascularity index during pregnancy.

Objective: To assess the choroidal structural characteristics in the first and third trimesters in pregnant women using enhanced depth imaging optical coherence tomography and binarization method.

Design: Prospective study.

Participants: Twenty-five eyes of 25 pregnant women in the first trimester (group 1) and 25 eyes of 25 pregnant women in the third trimester (group 2) were examined.