The Effect of the Water Drinking Test on Ocular Parameters and Choroidal Thickness in Glaucoma Suspects.

: We aimed to evaluate the effects of the water drinking test (WDT) on several systemic and ocular parameters, including choroidal thickness, which was assessed through optical coherence tomography angiography (OCTA), in glaucoma suspects. : A total of 40 eyes from 20 glaucoma suspects without any systemic or ocular diseases were included in this prospective observational study. All the participants undertook the WDT, which required the drinking of 1 L of table water in 5 min.

A fingerprint hidden inside the eye. A unique pattern of outer retina splitting as seen on en-face OCT and OCT-angiography.

A splitting of the outer plexiform retinal layer in a saw-like hyporeflective pattern in addition to partially formed concentric circles centred at the foveola were observed using en-face OCT and OCT-angiography in a 27-year-old female patient with rhegmatogenous retinal detachment and a 50-year-old female patient with Vogt-Koyanagi-Harada chorioretinopathy.

Epiretinal membrane-induced intraretinal neovascularization.

Purpose: To report a 71-year-old male patient diagnosed with epiretinal membrane-induced intraretinal neovascularization.

Observations: The presence of an epiretinal membrane (ERM) was confirmed by Optical Coherence Tomography (OCT), fluorescein and indocyanine angiography. Optical coherence tomography angiography (OCT-A) revealed a neovascular membrane within the ERM.

Corneal endothelial cells and central corneal thickness in patients with neurofibromatosis type 1.

Purpose: The aim of this study was to evaluate the morphological properties of corneal endothelial cells and central corneal thickness (CCT) in patients with neurofibromatosis type 1 (NF1) and to compare them with age-matched healthy controls.

Methods: Nineteen NF1 patients and 38 healthy individuals were recruited. All participants underwent complete ophthalmological examination as well as noncontact specular microscopy to measure endothelial cell density (ECD), average cell area (AVG), coefficient of variation of cell area (CV), the percentage of hexagonal cells, and CCT.

Reduction of Foveal Avascular Zone After Vitrectomy Demonstrated by Optical Coherence Tomography Angiography.

Purpose: To investigate the effect of pars plana vitrectomy on foveal circulation, and in particular the foveal avascular zone (FAZ), using optical coherence tomography angiography (OCTA).

Methods: This was a prospective, non-randomized, comparative case series of patients that underwent vitrectomy. Twenty-six eyes of 26 patients that underwent vitrectomy were studied postoperatively by OCTA.

Acute Visual Loss Secondary to Arnold Chiari Type I Malformation Completely Resolving After Decompressive Posterior Fossa Surgery.

We describe the case of a 22-year-old woman of southeast-Asian origin, presenting with unilateral sudden visual loss after a self-healing hearing loss a week before. Ophthalmological examination showed visual acuity of light perception in the left eye, mild RAPD, normal ocular motility and an elevated optic disc with indistinct margins. Neurological examination showed no acute pathology and brain CT-MRI imaging revealed a small-almost subclinical-herniation of the cerebellar tonsils.

Ganglion cell layer thickening in patients suffering from Obstructive Sleep Apnea-Hypopnea syndrome with long Mean Apnea-Hypopnea Duration during sleep.

Purpose: To study the effects of mean apnea-hypopnea duration (MAD), a useful indicator of blood oxygenation, on peripapillary retinal nerve fiber layer (RNFL), macular ganglion cell to inner plexiform layer (GC-IPL) and macular retinal thickness in patients with obstructive sleep apnea-hypopnea syndrome (OSAHS).

Methods: Sixty-five patients recently diagnosed with OSAHS and 35 healthy individuals were enrolled in this cross-sectional study. OSAHS patients were divided according to their MAD values into group 1 with 16 participants (MAD:10-15.

Effects of Continuous Positive Airway Pressure Treatment for Obstructive Sleep Apnea-Hypopnea Syndrome on Corneal Morphological Characteristics.

Purpose: To evaluate the effects of continuous positive airway pressure (CPAP) therapy on corneal endothelial morphometry and pachymetry in patients with obstructive sleep apnea-hypopnea syndrome (OSAHS).

Methods: This prospective, observational study included patients with OSAHS who were evaluated right before and after the commencement of CPAP treatment. Each patient underwent a detailed ophthalmologic examination and assessment of their corneal endothelium with a noncontact specular microscope (Tomey EM-3000; Tomey Corp).

Optical Coherence Tomography Angiography and Multifocal Electroretinogram Findings in Paracentral Acute Middle Maculopathy.

Paracentral acute middle maculopathy (PAMM) is an optical coherence tomography (OCT) finding seen in patients with retinal capillary ischemia. In this case report, we present a case of PAMM after a transient central retinal artery occlusion and the multifocal electroretinogram (mfERG) and other multimodal imaging findings. Clinical examination, OCT angiography, OCT , fluorescein angiography, and visual fields were performed at the baseline and follow-up examinations.

A Pilot Optical Coherence Tomography Angiography Study on Superficial and Deep Capillary Plexus Foveal Avascular Zone in Patients With Beta-Thalassemia Major.

Purpose: To investigate foveal avascular zone (FAZ) changes in the superficial (SCP) and deep (DCP) capillary plexuses in beta-thalassemia major (BTM) patients, as shown in optical coherence tomography angiography.

Methods: Nonrandomized, comparative case series of 54 eyes of 27 BTM patients and 46 eyes of 23 healthy controls, utilizing an automated FAZ detection algorithm. Measurements included FAZ area and FAZ shape descriptors (convexity, circularity, and contour temperature).

Three-Year Results of Fluorescein Angiography-Guided Standard Photodynamic Therapy with Multiple Spots for Central Serous Chorioretinopathy.

Purpose: To report the long-term results of fluorescein angiography (FA)-guided standard photodynamic therapy (PDT) for central serous chorioretinopathy (CSCR) and its adverse effects.

Design: Prospective, noncomparative, interventional study.

Participants: Consecutive patients (N = 63 eyes) with acute (39 eyes) or chronic (24 eyes) CSCR.

Erratum to "Visual Outcomes of Ultrathin-Descemet Stripping Endothelial Keratoplasty versus Descemet Stripping Endothelial Keratoplasty".

[This corrects the article DOI: 10.1155/2018/5924058.].

Home-based visual field test for glaucoma screening comparison with Humphrey perimeter.

Purpose: To present a home-based visual field examination method using a PC monitor or virtual reality glasses and evaluate the reliability of the method by comparing the results with those of the Humphrey perimeter, in order to assess the possibility of glaucoma screening through the Internet.

Materials And Methods: Software implementing a supra-threshold algorithm for the central 24° (52 points) of visual field at three threshold levels: 1) -4 db, 2) -8 db, and 3) -12 db, from the age-expected sensitivity was used for the purpose of testing. The software uses the web camera as a "virtual photometer" in order to detect room luminosity and allows self-testing using a computer monitor or virtual reality glasses using an Android smartphone with a 6-inch display.

Visual Outcomes of Ultrathin-Descemet Stripping Endothelial Keratoplasty versus Descemet Stripping Endothelial Keratoplasty.

Purpose: To examine the impact of graft thickness (GT) on postoperative visual acuity and endothelial cell density after ultrathin-Descemet stripping automated endothelial keratoplasty (UT-DSAEK) versus conventional DSAEK.

Methods: The medical records of all patients who underwent DSAEK at our institute during a 2-year period were reviewed. After excluding subjects with low visual potential, 34 eyes were divided into two groups based on the postoperative GT as measured with anterior segment optical coherence tomography (AS-OCT): an UT-DSAEK group (GT ≤ 100 m, =13 eyes) and a DSAEK group (GT > 100 m, =21 eyes).

Objective documentation of anterior chamber depth following trabeculectomy and its correlation with intraocular pressure and bleb functionality.

The purpose of this study was to objectively evaluate the anterior chamber depth (ACD) after trabeculectomy and to correlate its variations with the intraocular pressure (IOP) and bleb functionality.Fifty eyes (46 patients) were included in this prospective study. ACD was documented with the use of a non-contact optical device (IOL Master-Carl Zeiss Meditec) and IOP was measured with the Goldmann applanation tonometer.

Optical Coherence Tomography Angiography of Foveal Neovascularization in Diabetic Retinopathy.

Purpose: To report a case of foveal neovascularization in a patient with proliferative diabetic retinopathy as seen on optical coherence tomography angiography (OCT-A).

Methods: Multimodal imaging was used for diagnostic investigation.

Patient: A 61-year-old male with a 16-year history of insulin-dependent diabetes mellitus was referred to our medical retina department for examination and management.

Epithelial map-guided anterior stromal micropuncture for the treatment of recurrent corneal erosion syndrome.

Purpose: To introduce the use of corneal epithelial mapping by anterior segment optical coherence tomography (AS-OCT) as an ancillary testing for the identification of areas of loose epithelial adherence in recurrent corneal erosion syndrome (RCES), and the subsequent treatment of the latter with anterior stromal puncture (ASP).

Methods: Five patients were presented with RCES following traumatic corneal abrasions. Following resolution of acute episodes, AS-OCT epithelial mapping was performed revealing in all patients an area of increased epithelial thickness (hot spot) corresponding to the site of loose attachment of the epithelium to the epithelial basement membrane.

Acute ocular pain during magnetic resonance imaging due to retained intraocular metallic foreign body: the role of ultrasonography and ultrasound biomicroscopy in diagnosis and management of this condition.

Purpose: To report the case of a 65-year-old metalworker with no known history of ocular trauma, who suffered from intense ocular pain during magnetic resonance imaging (MRI) of the brain, due to a retained intraocular metallic foreign body (IOFB).

Case Report: Meticulous ophthalmological examination was inconclusive. An IOFB was confirmed with X-ray scan, whereas its exact localization was enabled by means of ultrasonography and ultrasound biomicroscopy (UBM).

Managing high risk glaucoma with the Ahmed valve implant: 20 years of experience.

Aim: To estimate the efficacy and safety of the Ahmed implant in patients with high risk for failure after glaucoma surgery.

Methods: In 342 eyes of 342 patients with refractory glaucoma, even with application of medical treatment, the Ahmed valve was introduced for intraocular pressure (IOP) control, in the period of the last 20y. The nature of glaucoma was neovascular in 162 eyes, pseudophakic or aphakic in 49 eyes, inflammatory in 29 eyes and non working previous antiglaucomatic surgical interventions in 102 eyes.

Equine pericardium for tectonic globe repair.

Purpose: To describe the use of equine pericardium as an off-label temporary emergency treatment of scleral and corneal perforations.

Methods: Three eyes of two male patients aged 34 and 38 years were included, i.e.

Early anti-VEGF treatment for hemorrhagic occlusive retinal vasculitis as a complication of cataract surgery.

Background: We report a case of hemorrhagic occlusive retinal vasculitis (HORV) after prophylactic intracameral vancomycin use during an uneventful cataract surgery treated with early anti-VEGF treatment.

Case Presentation: A 51-year-old female underwent uneventful cataract surgery with prophylactic intracameral vancomycin during the procedure. On the seventh post-operative-day, she presented with sudden painful, visual loss.

Isolated descemetorhexis for anterior synechiolysis prior to endothelial keratoplasty - case report and technique.

Purpose: To describe the utilization of descemetorhexis for reformation of the anterior chamber in eyes with central iridocorneal synechiae before endothelial keratoplasty (EK).

Methods: A 71-year-old man with a history of trabeculectomy complicated by hypotony presented with bullous keratopathy in the presence of extensive iridocorneal synechiae and a flat anterior chamber. In order to proceed with EK, synechiolysis with the use of viscoelastic and scissors was attempted.

"Double scleral tunnel in tandem" technique for glaucoma drainage tube implants.

Purpose: To describe a new technique of Ahmed glaucoma valve implantation in patients with refractory glaucoma and present the long-term results.

Methods: Twenty-eight eyes of 28 patients with refractory glaucoma participated in the study. "Double scleral tunnel in tandem" technique was used for glaucoma valve implantation in all patients.