Chasing the objective upper eyelid symmetry formula; R, RMSE, POC, MAE, and MSE.

Purpose: Investigate the most appropriate mathematical formula to objectively express upper eyelid contour symmetry.

Methods: 62 eyes of 31 patients were included in the study. The upper eyelid contour symmetry of the patients was classified subjectively (independent of MRD1) as poor, acceptable, and good by three oculoplastic specialists (senior, expert, and junior surgeon).

Evaluation of Aqueous Flare in Graves' Ophthalmopathy and its Relationship with Thyroid Hormones, Antibodies, and Clinical Activity Score.

Objectives: The aim of this study was to assess intraocular inflammation in patients with active and inactive Graves' ophthalmopathy (GO) using an aqueous laser flash meter and to assess its relationship with thyroid hormones, antibodies, and clinical activity score (CAS).

Methods: Forty patients (29 females and 11 males) were included in the study. The patients were divided into two groups according to CAS; patients with CAS <3 (inactive) were included in Group 1 and patients with CAS ≥3 (active) were included in Group 2.

Treatment of tissue necrosis with hyperbaric oxygen therapy in a patient with pseudomonas endophthalmitis and orbital cellulitis: a case report.

This report presents the treatment of tissue necrosis after evisceration with hyperbaric oxygen therapy (HBOT) in a patient with pseudomonas endophthalmitis and orbital cellulitis. A 49-year-old woman was admitted to our clinic with severe pain and vision loss after cataract surgery 3 days before, and pars plana vitrectomy 2 days before for endophthalmitis, in another hospital. Examination findings included limbal perforation, orbital cellulitis findings, and loss of light perception in the right eye.

Digital Evaluation of the Changes in Eyelid and Ocular Surface Measurements and the Correlation of These Parameters with Visual Field Parameters After Upper Eyelid Blepharoplasty.

Objectives: We aimed to evaluate the change in eyelid and ocular surface parameters that were measured using a digital measurement program, the change in the visual field (VF), and the correlation between ocular surface area (OSA) and VF parameters in patients who underwent upper eyelid blepharoplasty for involutional dermatochalasis.

Methods: Patients who underwent upper eyelid blepharoplasty for involutional dermatochalasis between August 2015 and August 2019 were included in the study. The difference between preoperative and postoperative 3rd month values of manually measured margin reflex distance 1 (MRD1), digitally measured eyelid and ocular surface parameters (MRD1, MRD 2 [MRD2], upper eyelid crease height [ECH], pretarsal show height [PTH], eyebrow line-height [EBH] and OSA), and VF parameters were evaluated.

Histopathological View of Benign Essential Blepharospasm: Orbicularis Oculi Hormone Receptor Levels.

Objectives: Benign essential blepharospasm (BEB) is a focal dystonia characterized by involuntary contractions of the orbicularis oculi and periocular muscles. We aimed to investigate the effects of muscle receptor levels on the etiopathogenesis of blepharospasm by evaluating the orbicularis oculi estrogen receptor (ER) and androgen receptor (AR) levels.

Methods: Four blepharospasm patients (2 females and 2 males) who underwent upper lid blepharoplasty and/or orbicularis myomectomy and 4 healthy cases (2 females, 2 males) that had upper lid blepharoplasty were included.

Erdheim-Chester disease with chorioretinal and orbital involvement: a case report.

A 42-year-old woman presented with bilateral proptosis, chemosis, leg pain, and vision loss. Orbital, chorioretinal, and multi-organ involvement of Erdheim-Chester disease, a rare non-Langerhans histiocytosis, with a negative BRAF mutation was diagnosed based on clinical, radiological, and pathological findings. Interferon-alpha-2a (IFNα-2a) was started, and her clinical condition improved.

Erdheim-Chester disease with chorioretinal and orbital involvement: a case report.

A 42-year-old woman presented with bilateral proptosis, chemosis, leg pain, and vision loss. Orbital, chorioretinal, and multi-organ involvement of Erdheim-Chester disease, a rare non-Langerhans histiocytosis, with a negative BRAF mutation was diagnosed based on clinical, radiological, and pathological findings. Interferon-alpha-2a (IFNα-2a) was started, and her clinical condition improved.

Evaluation of the reliability, utility, and quality of the lid loading videos on YouTube.

Purpose: It is aimed to determine the utility, reliability and quality of the lid loading videos on YouTube, a video sharing platform.

Methods: A YouTube searches were made with the keywords 'Eyelid Loading,' 'Gold Weight Implantation,' 'Lid Loading for Lagophthalmos' (without user login, cleared search history, in incognito tab). A total of 75 videos were recorded.

The Effect of Lower Eyelid Malposition Repair on Palpebral Fissure Size Changes.

Objectives: The aim of the study was to evaluate the effect of changes in the horizontal and vertical palpebral fissure dimensions on surgical success performed due to entropion and ectropion of the lower eyelid.

Methods: The present research was conducted as a retrospective and interventional case series who had undergone involutional lower eyelid malposition repair with a lateral tarsal strip (LTS) alone, LTS with a medial spindle, and LTS with the advancement of the lower eyelid retractors. The subjects' medical records, including demographic and clinic characteristics, pre-operative assessment of horizontal eyelid laxity, and surgical outcomes, were reviewed.

2D Analysis of Gold Weight Implantation Surgery Results in Paralytic Lagophthalmos.

Objectives: Gold weight implantation in the upper eyelid is a frequently performed treatment for paralytic lagophthalmos to prevent corneal exposure. A margin reflex distance of -1 and -2 (MRD1, MRD2), the palpebral fissure height (PFH), and the vertical lagophthalmos (LV) are 1-dimensional (1D) measurements used in follow-up. Because the exposure area is 2-dimensional (2D), this study was designed to investigate the results using both 1D and 2D analysis.

Intraocular Pressure Change and Sustained Intraocular Pressure Elevation After Pars Plana Vitrectomy.

Objectives: The aim of this study was to investigate the incidence and influential factors of changes in intraocular pressure (IOP) and sustained IOP elevation (SIOPE) after an uncomplicated pars plana vitrectomy (PPV).

Methods: In all, 41 eyes of 41 patients who underwent PPV due to the presence of epiretinal membrane, macular hole, or vitreomacular traction syndrome were included in the study. In the vitrectomized eye, an elevated IOP of ≥21 mmHg or an increase of ≥6 mmHg from the preoperative IOP on 2 or more postprocedure visits or the addition of a new IOP-lowering medication during follow-up was defined as sustained IOP elevation.

Muller muscle conjunctival resection or external levator advancement; a quantitative comparison of symmetry in unilateral ptosis.

Purpose: To compare muller muscle conjunctival resection (MMCR) and external levator advancement (ELA) in terms of objective and subjective symmetry in unilateral ptosis.

Methods: The patients who underwent unilateral MMCR (group1,  = 25) and ELA (group2,  = 25) were reviewed retrospectively. With the written algorithm, margin reflex distance-1 (MRD1), localization of the contour peak, and the percentage of overlapping curvatures (POC) of both upper eyelid curves were calculated.

Comparing the outcome of Muller's muscle conjunctival resection for mild/moderate versus severe involutional aponeurotic ptosis.

Aims: To compare predictability of the outcomes of Muller's muscle conjunctiva resection (MMCR) in patients with severe versus mild/moderate involutional aponeurotic ptosis.

Methods: This was a retrospective case-control study. All cases were recruited into the groups in terms of preoperative marginal reflex distance of upper eyelid (MRD-1).

Serum calcium, magnesium, phosphorus, and vitamin D in benign essential blepharospasm.

Purpose: This study aims to compare serum calcium, magnesium, phosphorus, and 25-hydroxy (OH)-vitamin D levels in patients with benign essential blepharospasm (BEB) and healthy subjects and to determine their association with disease severity and frequency.

Methods: This is a prospective study conducted in a tertiary care hospital. Fifty patients (female, 39; male, 11) with BEB and 22 healthy subjects (female, 15; male, 7) included in the study.

Müller Muscle Conjunctiva Resection for Revision of Residual Ptosis After External Levator Advancement Surgery.

Purpose: To evaluate surgical outcomes of Müller muscle conjunctival resection surgery for reoperation of residual ptosis after external levator advancement in patients with aponeurotic ptosis.

Methods: A total of 23 eyes of 23 patients who had undergone Müller muscle conjunctival resection for residual ptosis between January 2016 and July 2018 were reviewed retrospectively. Margin reflex distance (MRD), interlid crease, and show distance measurements were performed with a ruler in millimeters during the office examination, and the photographs of patients were taken before the procedure and on the 10th day, at the first, third, and sixth months after the procedure.

Treatment of Corneal Alkali Burn with Chestnut Honey, Royal Jelly, and Chestnut Honey-Royal Jelly Mixture.

Objectives: The alkaline burn of the cornea usually results in a decreased vision with opacification. In this study, we investigated the potential role of endemic chestnut honey (CH) and royal jelly on corneal healing after an alkaline burn.

Methods: We created an alkaline burn on the center of the corneas of four groups of Wistar rats by applying round filter paper soaked with 1 N NaOH for 30 seconds.

An Alternative Algorithm for Müller Muscle Conjunctival Resection Surgery for Blepharoptosis Management.

Objectives: To evaluate the surgical outcomes of Müller Muscle conjunctival resection surgery performed with an alternative formula.

Methods: A total of 58 eyes of 58 patients with mild ptosis (≤2 mm) and levator function ≥8 mm who responded to 2.5% phenylephrine were enrolled in this study.

Alterations in Corneal Biomechanical and Topographic Features After Accelerated Crosslinking: 1-Year Results.

Objectives: To determine the biomechanical and topographic alterations within the first year after accelerated crosslinking (CXL) treatment in patients with keratoconus.

Methods: In this prospective study, 52 eyes of 52 patients with progressive keratoconus underwent accelerated CXL were included. All patients had a detailed preoperative ophthalmologic examination, including slit-lamp evaluation, Goldmann tonometry, fundoscopy, topography by Scheimpflug imaging (Sirius), and corneal biomechanical evaluation with a biomechanical waveform analysis device (ORA).

Corneal biomechanical properties in patients with Hashimoto's thyroiditis.

Background: Hashimoto's thyroiditis (HT) is an autoimmune endocrine disorder that results from a dysregulation of the immune system leading to an immune attack on the thyroid gland. It has potential effects on different organs and tissues.

Objectives: The aim of the study was to investigate the effect of HT on corneal biomechanical properties using the ocular response analyzer (ORA).

Corneal biomechanical features in patients with ankylosing spondylitis.

Purpose: To evaluate the corneal biomechanical features and central corneal thickness in ankylosing spondylitis patients and to evaluate correlations of these parameters with disease activity.

Methods: The study included 51 patients diagnosed with ankylosing spondylitis (mean age, 40.80 ± 13.

Alterations in biomechanical properties of the cornea among patients with polycystic kidney disease.

Purpose: The aim of this study was to evaluate the corneal biomechanical features in polycystic kidney disease (PKD) patients and compare them with the healthy individuals.

Methods: Totally 81 patients with a mean age of 48.46 ± 14.

Transdermal Spirit (Methanol) Poisoning: A Case Report.

Introduction: Methanol is a highly toxic substance and methanol poisoning results in severe health situations. Methanol poisoning occurs when it is consumed by various methods such as orally, by inhalation, and transdermally. Transdermal poisoning is rarely seen and causes severe health complications.

Evaluation of inner segment/outer segment junctions in different types of epiretinal membranes.

Purpose:: This study was conducted to evaluate the relationships of inner/outer segment (IS/OS) junction disruption, macular thickness, and epiretinal membrane (ERM) grade with best-corrected visual acuity (BCVA), as well as the relationship between IS/OS junction disruption and ERM grade.

Methods:: Fifty-four eyes of 54 patients with different grades of ERM were retrospectively reviewed. Patients were classified into three groups by ERM grade according to retinal striae and vessel distortion: grade/group 1, visible membranes without retinal striae or vessel distortion; grade/group 2, mild to moderate macular striae or vessel straightening; and grade/group 3, moderate to severe striae and vascular straightening.

Comparision of Optical Low Coherence Reflectometry Versus Ultrasonic Biometry in High Hypermetropia.

Purpose: To compare anterior chamber depth (ACD), axial length (AL), and lens thickness (LT) measurements obtained by the Lenstar LS 900 (Haag-Streit AG) optical low-coherence reflectometry with those obtained by the A-scan contact ultrasound among patients with moderate and high hypermetropia.

Methods: Fifty-two eyes of 52 patients with moderate and high hypermetropia (spherical equivalent of +4 D or more) were examined in this study measurements of ACD, AL, and LT obtained by Lenstar were compared with those obtained by applanation A-scan ultrasound. All measurements were obtained by two independent examiners.