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International Ophthalmology

Sanchita Mitra, Tapas Ranjan Padhi, Soumyava Basu, Smruti Rekha Priyadarshini, Savitri Sharma
PURPOSE: To report the clinical course, microbiological spectrum and visual outcomes of three cases of post-operative endophthalmitis caused by unusual combination of micro-organisms. METHODS: Retrospective review of medical charts at a tertiary eye care centre over a period of 1 year, of subjects with post-operative endophthalmitis and more than one microbiological isolate. RESULTS: We report 3 cases with unusual combination of microorganisms...
September 17, 2018: International Ophthalmology
Tomoaki Sonobe, Hitoshi Tabuchi, Hideharu Ohsugi, Hiroki Masumoto, Naohumi Ishitobi, Shoji Morita, Hiroki Enno, Daisuke Nagasato
PURPOSE: In this study, we compared deep learning (DL) with support vector machine (SVM), both of which use three-dimensional optical coherence tomography (3D-OCT) images for detecting epiretinal membrane (ERM). METHODS: In total, 529 3D-OCT images from the Tsukazaki hospital ophthalmology database (184 non-ERM subjects and 205 ERM patients) were assessed; 80% of the images were divided for training, and 20% for test as follows: 423 training (non-ERM 245, ERM 178) and 106 test (non-ERM 59, ERM 47) images...
September 14, 2018: International Ophthalmology
Swati Singh, Vikas Mittal, Urvish Vashist, Ruchi Mittal, Purvasha Narang
PURPOSE: Intraocular endoscope was used as a dacryoendoscope, and its observations and performance in lacrimal drainage system (LDS) are reported. METHODS: The Endo Optiks (Little Silver, New Jersey, USA), an intraocular endoscope (modified with customized sheath), was used for LDS visualization in ten normal adults and five patients with lacrimal disorders. RESULTS: We were able to capture high-definition images of lacrimal canaliculi and sac in all normal adults...
September 12, 2018: International Ophthalmology
Heba Radi AttaAllah, Asmaa Anwar Mohamed Mohamed, Mohamed Attia Ali
PURPOSE: The aim of this study was to evaluate macular perfusion using OCTA automated software algorithms; vessel area density (VD) and non-flow tool to measure FAZ area in treatment-naïve diabetic eyes with moderate or severe NPDR and having macular edema, and correlate these parameters with LogMAR (logarithm of the minimum angle of resolution) visual acuity. Diabetic eyes without macular edema were included, to detect and define differences within the parameters between diabetic eyes with and without macular edema...
September 7, 2018: International Ophthalmology
Liang Liang, Ran Zhang, Li-Ye He
PURPOSE: To review and summarize the characteristics of corneal hysteresis (CH) and its relationship with glaucoma. METHODS: A PubMed search was carried out using the terms "corneal hysteresis", "glaucoma", and "biomechanics". Up to March 2018, all studies published in English are included in this review. RESULTS: The value of CH reflects the ability of corneal tissue to absorb and release energy during bidirectional flattening...
September 5, 2018: International Ophthalmology
Huafang Guo, Hezheng Zhou
PURPOSE: To investigate the characteristic of intraocular pressure (IOP) dynamic change from episode to intermittent period in patients with Posner-Schlossman syndrome (PSS). PATIENTS AND METHODS: Seventeen cases of typical PSS were collected in this study. Both their random IOP in episodes/intermittent period and 24-h IOP in intermittent period were measured. The mean IOP as well as the peak and the valley value of 24-h IOP were calculated. Those data were statistically analyzed...
September 4, 2018: International Ophthalmology
Minjie Chen, Hailin Hu, Wenwen He, Yi Lu, Xiangjia Zhu
PURPOSE: To investigate the changes in the anterior chamber volume (ACV) with swept-source optical coherence tomography (SS-OCT) after cataract surgery and the factors that influence these ACV changes. METHODS: This was a prospective cohort study. Fifty-one patients who underwent cataract surgery were enrolled. Their ACV, anterior chamber depth, and angle widths were measured with SS-OCT before and 1 day, 1 week, and 1 month after surgery. The associations between the changes in ACV and posterior vitreous detachment (PVD) and axial length (AXL) were determined...
September 4, 2018: International Ophthalmology
Yue Guo, Mi Sun Sung, Sang Woo Park
PURPOSE: To evaluate retinal microvasculature in healthy myopia and investigate the correlation between microvascular density and ocular factors. METHODS: A total of 174 eyes from 174 healthy Korean subjects were included. The eyes were divided into four groups according to refraction: emmetropia [21 eyes, - 1.00 D ≤ mean spherical equivalent (MSE) < + 0.75 D], mild myopia (32 eyes, - 3.00 D ≤ MSE < - 1.00 D), moderate myopia (76 eyes, - 6...
September 3, 2018: International Ophthalmology
Lin Zhang, Yan Wang, Wei Zhao, Wenbo Cheng, Tong Cui
PURPOSE: To evaluate the three-dimensional corneal spatial profiles following small incision lenticule extraction (SMILE) based on corneal asphericity, thickness, and volume. MATERIALS AND METHODS: Eighty-three eyes in 83 patients who underwent SMILE were examined before and 1 and 6 months after surgery. The asphericity of the anterior and posterior corneal surfaces was analyzed. Corneal volume (CV) was measured in corneal regions measuring 3.0 mm, 5.0 mm, and 7...
August 31, 2018: International Ophthalmology
Karim Mahmoud Nabil
PURPOSE: The purpose of this retrospective study was to assess the accuracy of minus power intraocular lens calculation using partial coherence interferometry and OKULIX ray tracing software. METHODS: We included 25 consecutive, myopic eyes with axial length ≥ 30 mm (25 patients, 13 males and 12 females, and 57.6 ± 10.3 years old), which underwent phacoemulsification and implantation of a minus power intraocular lens in the capsular bag. Axial length measurement and corneal topography were performed using the OA-1000 optical biometer and Topographic Modeling System TMS-5, respectively...
August 23, 2018: International Ophthalmology
Alvaro Ortiz, Virgilio Galvis, Alejandro Tello, Victor Viaña, Maria Isabel Corrales, Miguel Ochoa, Carlos Julián Rodriguez
PURPOSE: To evaluate the results of optical biometry using the IOLMaster 500, Lenstar LS 900 and Aladdin in eyes with cataract. METHODS: In 231 eyes of 152 patients with cataract, the measurements of 3 different biometers were retrospectively compared. Paired comparisons were performed for axial length (AL), mean keratometry (mean K) and anterior chamber depth (ACD). RESULTS: In only 197 of the 231 eyes (85.3%), it was possible to obtain reliable measurements of AL with all the three devices...
August 22, 2018: International Ophthalmology
Carlo Aleci, Gabriele Cossu, Elena Belcastro, Lorenzo Canavese
PURPOSE: To estimate objective visual acuity in subjects suffering from cataract and age-related macular degeneration via the optokinetic response evoked by a non-conventional induction method (oktotype); in addition, to compare such objective outcome with the subjective acuity based on the ETDRS charts. METHODS: Patients were presented with 13 sequences of symbols arranged horizontally to form a serial pattern, moving from left to right at a constant rate. In each sequence, the size of the stimuli was reduced progressively, while the operator checked for the disappearance of the optokinetic response via a small video camera mounted on the test lens frame...
August 14, 2018: International Ophthalmology
Kumar Saurabh, Rupak Roy
No abstract text is available yet for this article.
August 13, 2018: International Ophthalmology
Nurgül Örnek, Kemal Örnek, Tevfik Oğurel, Nesrin Büyüktortop Gökçınar
PURPOSE: Presentation of a case with ocular hypertension who developed cystoid macular edema (CME) following selective laser trabeculoplasty (SLT). CASE REPORT: A 62-year-old male patient who had undergone phacoemulsification surgery for traumatic cataract 9 years ago was on ocular hypertension treatment for the last 5 years. Due to uncontrolled intraocular pressure and side effect of medications, a 360° SLT was performed. The patient returned with decrased visual acuity 1 week after the procedure...
August 13, 2018: International Ophthalmology
Masih Ahmed, Chang Sup Lee, Brian McMillan, Priyanka Jain, Lee Wiley, J Vernon Odom, Monique Leys
PURPOSE: To report a case of toxic optic neuropathy caused by an ocular bee sting. METHODS: Case report and literature review. RESULTS: A 44-year-old female presented with no light perception vision 2 days after a corneal bee sting in her right eye. She was found to have diffuse cornea edema with overlying epithelial defect and a pinpoint penetrating laceration at 6 o'clock. There was an intense green color to the cornea. The pupil was fixed and dilated with an afferent pupillary defect...
August 13, 2018: International Ophthalmology
Murat Karacorlu, Mumin Hocaoglu, Isil Sayman Muslubas, M Giray Ersoz, Serra Arf, Omer Uysal
Dear editor and readers, this letter is written to make you aware that the original version of this article unfortunately contained a mistake.
August 1, 2018: International Ophthalmology
Erika Fernández-Muñoz, Rocío Zamora-Ortiz, Roberto Gonzalez-Salinas
PURPOSE: To assess endothelial cell density (ECD) changes on diabetic and nondiabetic patients after phacoemulsification surgery employing the phaco-chop technique. METHODS: This is a prospective, experimental and comparative study. We included type-two diabetic (T2DM) patients and nondiabetic patients who underwent phacoemulsification performed by a single surgeon employing the horizontal phaco-chop technique. ECD and central corneal thickness (CCT), the coefficient of variation and percentage of polymegathism were measured and compared...
July 28, 2018: International Ophthalmology
Bahram Eshraghi, Mansoureh Jamshidian-Tehrani, Kaveh Fadakar, Hossein Ali-Zamani, Zahra Fallah Tafti, Reza Ghaffari
PURPOSE: To perform vector analysis of changes in corneal astigmatism and evaluate changes in corneal topographic parameters following the lateral tarsal strip (LTS) procedure in patients with involutional ectropion or entropion. METHODS: Nineteen eyes of 15 patients (10 eyes with ectropion and 9 eyes with entropion) were included in this prospective nonrandomized interventional case series. Corneal topographic measurements (Tomey TMS 4a topographer, Tomey Corp, Nagoya, Japan) were performed at the baseline and 3 months after the LTS procedure...
July 27, 2018: International Ophthalmology
Osamah J Saeedi, Luke Y Chang, Sharon R Ong, Syed A Karim, Danielle S Abraham, Geoffrey L Rosenthal, Andrew Hammer, Brad V Spagnolo, Arturo E Betancourt
PURPOSE: To compare the amount of phacoemulsification ultrasound energy used between eyes undergoing femtosecond laser-assisted cataract surgery (FLACS) and conventional phacoemulsification. METHODS: One eye of consecutive patients undergoing routine non-complicated phacoemulsification from January 2014 to December of 2015 was included in the analysis. FLACS was performed using the Alcon LenSx. Linear regression was used for analysis with type of surgery (FLACS versus conventional phacoemulsification) as the exposure and cumulative dispersed energy (CDE) as the outcome variable...
July 27, 2018: International Ophthalmology
Özlem Dikmetas, Annegret Abaza, Faik Gelisken
In the original publication, Figure 2 was published incorrectly. The correct version is given in this correction.
July 26, 2018: International Ophthalmology
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