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Open Ophthalmology Journal

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https://www.readbyqxmd.com/read/29081868/comparison-of-polypropylene-sling-with-combined-transconjunctival-retractor-plication-and-lateral-tarsal-strip-for-correction-of-involutional-lower-eye-lid-ectropion
#1
Ruchi Goel, Abhilasha Sanoria, Sushil Kumar, Deepanjali Arya, Smriti Nagpal, Neha Rathie
PURPOSE: The study aims to compare the effectiveness and complications of transconjunctival retractor plication (TRP) with lateral tarsal strip (LTS) and the polypropylene sling (PS) surgery for treatment of involutional lower lid ectropion. METHOD: A prospective randomised pilot study was conducted on 30 eyes of 30 patients suffering from epiphora having horizontal eyelid laxity >6mm and age >50 years at a tertiary care centre from December 2014 to March 2015...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/29081867/ocular-signs-related-to-overweight-and-arterial-hypertension-in-children-a-systematic-review
#2
REVIEW
Daniela S Schuh, Ângela B Piccoli, Raquel L Paiani, Cristiane R Maciel, Lucia C Pellanda, Manuel Ap Vilela
BACKGROUND: The ocular effects of obesity and hypertension need to be established and can be used as prognostic markers. OBJECTIVE: To estimate the prevalence of ophthalmological alterations in children and adolescents who are overweight and/or have SAH. METHODS: The database for this study included all observational studies (CS, cohort, case-control and "baseline" description of randomized clinical trials) with children and/or adolescents who were overweight, obese or had SAH and that measured ophthalmological alterations...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/29081866/conventional-versus-accelerated-collagen-cross-linking-for-keratoconus-a-comparison-of-visual-refractive-topographic-and-biomechanical-outcomes
#3
Jyh Haur Woo, Jayant Venkatramani Iyer, Li Lim, M Htoon Hla, Jodhbir S Mehta, Cordelia Ml Chan, Donald Th Tan
OBJECTIVE: The aim was to compare the visual, refractive, topographic and biomechanical outcomes in patients with progressive keratoconus treated with either conventional or accelerated crosslinking at one year follow up. METHODS: It is a prospective, non-randomised interventional study of 76 patients who underwent conventional (CXL; 3mW/cm(2) for 30 minutes) or accelerated cross linking (KXL; 30mW/cm(2) for 4 minutes) for progressive keratoconus. Baseline and postoperative visual acuity, manifest refraction, corneal topography, pachymetry, endothelial cell density and biomechanical parameters of corneal hysteresis and corneal resistance factor were evaluated and compared...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28932341/pathophysiology-of-keratoconus-what-do-we-know-today
#4
Uri Soiberman, James W Foster, Albert S Jun, Shukti Chakravarti
Keratoconus is a common corneal ectasia that leads to progressive visual impairment. Numerous studies have shown abnormal protein expression patterns in keratoconic corneas. However, the specific mechanisms causing this disease remain ambiguous. This review aims to provide an update on morphological studies of the keratoconic cornea, relate these early studies with current findings from proteomic, biochemical and cell culture studies and to postulate possible pathogenic pathways.
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28932340/contact-lenses-for-keratoconus-current-practice
#5
Marilita M Moschos, Eirini Nitoda, Panagiotis Georgoudis, Miltos Balidis, Eleftherios Karageorgiadis, Nikos Kozeis
BACKGROUND: Keratoconus is a chronic, bilateral, usuallly asymmetrical, non-inflammatory, ectatic disorder, being characterized by progressive steepening, thinning and apical scarring of the cornea. Initially, the patient is asymptomatic, but the visual acuity gradually decreases, resulting in significant vision loss due to the development of irregular astigmatism, myopia, corneal thinning and scarring. The classic treatment of visual rehabilitation in keratoconus is based on spectacles and contact lenses (CLs)...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28932339/penetrating-keratoplasty-for-keratoconus-excimer-versus-femtosecond-laser-trephination
#6
Berthold Seitz, Achim Langenbucher, Tobias Hager, Edgar Janunts, Moatasem El-Husseiny, Nora Szentmáry
BACKGROUND: In case of keratoconus, rigid gas-permeable contact lenses as the correction method of first choice allow for a good visual acuity for quite some time. In a severe stage of the disease with major cone-shaped protrusion of the cornea, even specially designed keratoconus contact lenses are no more tolerated. In case of existing contraindications for intrastromal ring segments, corneal transplantation typically has a very good prognosis. METHODS: In case of advanced keratoconus - especially after corneal hydrops due to rupture of Descemet's membrane - penetrating keratoplasty (PKP) still is the surgical method of first choice...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28932338/recent-innovations-in-collagen-corneal-cross-linking-a-mini-review
#7
Iraklis Vastardis, Brigitte Pajic-Eggspuehler, Charis Nichorlis, Jörg Mueller, Bojan Pajic
BACKGROUND: The introduction of corneal cross-linking (CXL) with ultraviolet-A (UVA) and Riboflavin photosensitizer (Vit B2) from Seiler et al., revolutionized the treatment of Keratoconus and other corneal ectatic diseases. Today, the commonly known epithelium off Dresden protocol is in clinical use for the last 15 years with great success and regarded by many as the golden standard. METHODS: With several studies demonstrating its simplicity, efficacy and safety this revolutionary method, paved the way for new therapies and strategies in the treatment of corneal ectatic diseases and changed our understanding in corneal biomechanics...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28932337/collagen-cross-linking-for-paediatric-keratoconus
#8
Georgios D Panos, Nikolaos Kozeis, Miltiadis Balidis, Marilita M Moschos, Farhad Hafezi
BACKGROUND: Since the late 1990s corneal crosslinking (CXL) has been proposed as a new treatment option which can stop progression of keratoconus with promising results in adults. OBJECTIVE: Keratoconus presents a higher rate and faster progression in paediatric patients and for this reason prompt and effective treatment is essential. Due to its success in adult keratoconus patients, CXL has been recently applied to children in order to stop or slow progression of keratoconus in paediatric patients...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28932336/genetics-in-keratoconus-what-is-new
#9
Sarah Moussa, Günther Grabner, Josef Ruckhofer, Marie Dietrich, Herbert Reitsamer
BACKGROUND: Keratoconus is characterized as a bilateral, progressive, non-inflammatory thinning of the cornea resulting in blurred vision due to irregular astigmatism. Keratoconus has a multifactorial etiology, with multiple genetic and environmental components contributing to the disease pathophysiology. Several genomic loci and genes have been identified that highlight the complex molecular etiology of this disease. CONCLUSION: The review focuses on current knowledge of these genetic risk factors associated with keratoconus...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28932335/cataract-surgery-in-patients-with-keratoconus-pearls-and-pitfalls
#10
F Aiello, Q J Nasser, C Nucci, R I Angunawela, Z Gatzioufas, V Maurino
BACKGROUND: Keratoconus (KC) is a common ectatic disorder resulting in progressive corneal thinning and irregular astigmatism. It has been observed that patients affected by KC are more likely to develop lens opacities earlier compared to non-keratoconic patients. OBJECTIVE: Intraocular lens (IOL) selection and refractive outcome prediction are among a number of factors that can make cataract surgery in keratoconic patients challenging. Accurate biometry is often difficult to obtain due to unreliable K measurements and lack of dedicated biometric formulae...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28932334/corneal-biomechanics-in-ectatic-diseases-refractive-surgery-implications
#11
Renato Ambrósio, Fernando Faria Correia, Bernardo Lopes, Marcella Q Salomão, Allan Luz, Daniel G Dawson, Ahmed Elsheikh, Riccardo Vinciguerra, Paolo Vinciguerra, Cynthia J Roberts
BACKGROUND: Ectasia development occurs due to a chronic corneal biomechanical decompensation or weakness, resulting in stromal thinning and corneal protrusion. This leads to corneal steepening, increase in astigmatism, and irregularity. In corneal refractive surgery, the detection of mild forms of ectasia pre-operatively is essential to avoid post-operative progressive ectasia, which also depends on the impact of the procedure on the cornea. METHOD: The advent of 3D tomography is proven as a significant advancement to further characterize corneal shape beyond front surface topography, which is still relevant...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28932333/editorial-keratoconus-what-we-do-not-know
#12
Zisis Gatzioufas, Samer Hamada, Damian Lake, Berthold Seitz
No abstract text is available yet for this article.
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28839510/combined-intravitreal-dexamethasone-implant-and-micropulse-yellow-laser-for-treatment-of-anti-vegf-resistant-diabetic-macular-edema
#13
Ahmed Hosni Abd Elhamid
PURPOSE: To report the efficacy and safety of combined intravitreal dexamethasone implant and micropulse laser for anti-VEGF resistant diabetic macular edema. PATIENTS AND METHODS: Prospective, non-controlled study that was conducted for twenty eyes with center-involved diabetic macular edema not responding to anti-VEGF therapy. Ozurdex intravitreal implant was injected to all eyes with subsequent micropulse yellow laser one month after the injection. All eyes were followed up after one, three, four, six, nine and twelve months...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28761569/efficacy-and-safety-of-switching-from-prostaglandin-analog-therapy-to-prostaglandin-timolol-fixed-combination-or-prostaglandin-brimonidine-therapy
#14
Kenji Inoue, Mieko Masumoto, Kyoko Ishida, Goji Tomita
BACKGROUND: To compare the safety and efficacy between switching to prostaglandin/timolol fixed combination eye drops (PG/timolol FCs) and adding brimonidine to PG analogue monotherapy. METHODS: Eyes of 53 patients with primary open-angle glaucoma or ocular hypertension who were receiving PG analogue monotherapy were included. Participants were randomly divided into two treatment groups: one was prescribed PG/timolol FCs (switched group), and for the other, 0.1% brimonidine was added to the PG analogue (added group)...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28761568/the-effects-of-ramadan-fasting-on-anterior-segment-parameters-visual-acuity-and-intraocular-pressures-of-the-eye
#15
Ozlem Barut Selver, Melis Palamar, Kevser Gerceker, Sait Egrilmez, Ayse Yagci
OBJECTIVE: It is aimed to determine whether fasting during Ramadan has any significant effect on anterior chamber parameters, visual acuity and intraocular pressures. METHODS: 31 fasting (Group 1) and 30 non-fasting healthy volunteers (Group 2) were enrolled. All cases underwent an ophthalmological examination and anterior segment parameter evaluation (central corneal thickness (CCT), anterior chamber depth (ACD), anterior chamber volume (ACV), anterior chamber angle (ACA), pupil size) with Pentacam before and after the breaking of the Ramadan fast in Group 1, before and after dinner in Group 2...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28761567/using-an-image-fusion-methodology-to-improve-efficiency-and-traceability-of-posterior-pole-vessel-analysis-by-roptool
#16
Sasapin G Prakalapakorn, Laura A Vickers, Rolando Estrada, Sharon F Freedman, Carlo Tomasi, Sina Farsiu, David K Wallace
BACKGROUND: The diagnosis of plus disease in retinopathy of prematurity (ROP) largely determines the need for treatment; however, this diagnosis is subjective. To make the diagnosis of plus disease more objective, semi-automated computer programs (e.g. ROPtool) have been created to quantify vascular dilation and tortuosity. ROPtool can accurately analyze blood vessels only in images with very good quality, but many still images captured by indirect ophthalmoscopy have insufficient image quality for ROPtool analysis...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28761566/many-faces-of-renin-angiotensin-system-focus-on-eye
#17
REVIEW
Mervi Holappa, Heikki Vapaatalo, Anu Vaajanen
The renin-angiotensin system (RAS), that is known for its role in the regulation of blood pressure as well as in fluid and electrolyte homeostasis, comprises dozens of angiotensin peptides and peptidases and at least six receptors. Six central components constitute the two main axes of the RAS cascade. Angiotensin (1-7), an angiotensin converting enzyme 2 and Mas receptor axis (ACE2-Ang(1-7)-MasR) counterbalances the harmful effects of the angiotensin II, angiotensin converting enzyme 1 and angiotensin II type 1 receptor axis (ACE1-AngII-AT1R) Whereas systemic RAS is an important factor in blood pressure regulation, tissue-specific regulatory system, responsible for long term regional changes, that has been found in various organs...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28761565/first-reported-case-of-donor-related-candida-endophthalmitis-after-descemet-membrane-endothelial-keratoplasty
#18
Matthew Thompson, David Carli
PURPOSE: To report the first case of Candida donor to host transmission following descemet membrane endothelial keratoplasty (DMEK). METHODS: A retrospective case report. RESULTS: A patient underwent uneventful DMEK. Following surgery the donor rim was culture positive for Candida. The patient developed fungal endophthalmitis that was treated medically with multiple injections of voriconazole and amphotericin. Medical treatment was unable to clear the infection and removal of the donor material was required...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28660005/histological-findings-in-the-trabecular-meshwork-of-a-patient-with-atopic-glaucoma
#19
Satoru Kase, Shiki Chin, Teruhiko Hamanaka, Yasuhiro Shinmei, Takeshi Ohguchi, Riki Kijima, Akira Matsuda, Susumu Ishida
PURPOSE: The aim of this study was to report a case of atopic dermatitis showing elevated intraocular pressure (IOP) beyond the baseline levels followed by a modified 360-degree suture trabeculotomy, and to analyze the histological findings in the trabecular meshwork. METHODS: A 40-year-old male suffered from blurred vision in the right eye (OD). He had a medical history of severe atopic dermatitis and intraocular lens implantation OU due to atopic cataract. At the initial presentation, the visual acuity was 0...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28603574/central-retinal-vein-occlusion-in-younger-swedish-adults-case-reports-and-review-of-the-literature
#20
Elisabeth Wittström
PURPOSE: To investigate associated systemic diseases, other conditions, visual outcome, ocular complications and treatment in Swedish patients younger than 50 years with central retinal vein occlusion (CRVO) and reviewing the literature. METHODS: Twenty-two patients with CRVO, younger than 50 years, were examined with full-field electroretinography (ERG) within 3 months after a thrombotic event, or were periodically examined and were observed for at least 6 months...
2017: Open Ophthalmology Journal
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