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Medical Hypothesis, Discovery and Innovation in Ophthalmology

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https://www.readbyqxmd.com/read/30505871/micropulse-laser-for-persistent-sub-retinal-fluid-in-a-patient-previously-treated-for-rhegmatogenous-retinal-detachment
#1
Gennady Landa
The purpose of this study was to report the resolution of persistent Sub-Retinal Fluid (SRF) induced by subthreshold micropulse laser treatment in a patient, formerly treated for rhegmatogenous retinal detachment by retinal pneumopexy. The case was a 41-year-old male, who initially presented macula-splitting rhegmatogenous retinal detachment and corrected distance visual acuity of 20/40 in his left eye. He was treated by retinal pneumopexy and laser retinopexy. Retina was flattened and vision improved to 20/30...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30505870/optical-rehabilitation-of-a-patient-with-keratoconus-and-nystagmus
#2
Dorcas K Tsang, Frank Spors, Jie Shen, Lance E McNaughton, Donald J Egan
Keratoconus is a progressive corneal disease characterized by bilateral yet usually asymmetric thinning of the cornea with an onset typically in teenage years. While it often presents as an isolated condition, keratoconus may also be associated with many systemic and/or ocular diseases, such as connective tissue and chromosomal disorders. Its association with nystagmus has been described in Leber's congenital amaurosis, where patients also exhibit abnormal pupillary responses, early-onset retinal dystrophy, mental developmental delays, and eventual blindness...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30505869/the-effect-of-intravitreal-bevacizumab-on-central-serous-chorioretinopathy
#3
Alireza Maleki, Zahra Nezamdust, Amirmasoud Salari, Seyed Sajad Ahmadi, Hamideh Sabbaghi, Omid Bagherzadeh, Alireza Ataollahi, Mehdi Yaseri
The aim of this study was to investigate the efficacy of Intravitreal Injection of Bevacizumab (IVB) in patients with Central Serous Chorioretinopathy (CSC) compared to the control group, after four months of injection. In this study, 30 eyes of 30 patients with CSC, who were in the age range of 23 to 50 years old (70% male subject) were included. Eligible patients were randomly allocated to the intervention (n = 15) and control groups (n = 15). Patients in the intervention group received a single dose injection of bevacizumab (1...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30505868/intravitreal-dexamethasone-implant-in-the-treatment-of-non-infectious-uveitic-macular-edema
#4
REVIEW
Omer Karti, Ali Osman Saatci
Macular Edema (ME) is a common complication, leading to severe vision loss in patients with Non-Infectious Uveitis (NIU). The treatment of uveitic ME is still very challenging for many ophthalmologists. Various agents, such as corticosteroids, anti-vascular endothelial growth factors, and immune-modulators, have been used for combatting uveitic ME. However, there is not enough evidence to support the efficacy of any of these agents. Intravitreal Dexamethasone Implant (IDI) (Ozurdex; Allergan Inc, Irvine, CA) is a widely administered corticosteroid for the long-term management of uveitic ME in certain cases...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30505867/repeatability-and-reproducibility-of-peripapillary-choroidal-thickness-using-a-medical-image-processing-software
#5
Pedro Simoes, Pedro Silva, Miguel Cordeiro, Joao Costa
Although choroid has been shown to have a vital role in the pathophysiology of many ocular diseases, its role in the pathogenesis of several other conditions remains uncertain. The authors propose a novel methodology to establish a more accurate Peripapillary Choroidal Thickness (PPCT), using an image-processing software. This study sought to evaluate the reproducibility and repeatability of PPCT evaluation with ImageJ software in healthy volunteers. Forty-eight eyes of 24 volunteers were subjected to PPCT area determination, after imaging acquisition and recording with Spectral-domain Optical Coherence Tomography (SD-OCT) Heidelberg Spectralis®, during two different sessions, by two blinded assessors...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30505866/the-association-of-serum-leptin-level-and-anthropometric-measures-with-the-severity-of-diabetic-retinopathy-in-type-2-diabetes-mellitus
#6
Mehrdad Afarid, Adel Attarzadeh, Mohsen Farvardin, Hossein Ashraf
This study was performed to determine the association amongst serum leptin level and anthropometric measures with the severity of Diabetic Retinopathy (DR) in subjects with type 2 Diabetes Mellitus (DM). This case-controlled study was conducted within a one-year period, during year 2016, at outpatient retina ophthalmology clinics of Shiraz, southern Iran. Eighty-three patients with type 2 DM, referring for ophthalmoscopy evaluation, were included. Anthropometric measures, serum leptin level, and baseline laboratory assessment was performed for all subjects...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30505865/a-review-of-antimicrobial-therapy-for-infectious-uveitis-of-the-posterior-segment
#7
REVIEW
Ahmed B Sallam, Kyle A Kirkland, Richard Barry, Mohamed Kamel Soliman, Tayyeba K Ali, Sue Lightman
Treatment of infectious posterior uveitis represents a therapeutic challenge for ophthalmologists. The eye is a privileged site, maintained by blood ocular barriers, which limits penetration of systemic antimicrobials into the posterior segment. In addition, topical and subconjunctival therapies are incapable of producing sufficient drug concentrations, intraocularly. Posterior infectious uveitis can be caused by bacteria, virus, fungi, or protozoa. Mode of treatment varies greatly based on the infectious etiology...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30386803/macular-inner-retinal-layer-thinning-in-diabetic-patients-without-retinopathy-measured-by-spectral-domain-optical-coherence-tomography
#8
Mário Pincelli Netto, Verônica Castro Lima, Maria Angélica Pacheco, Nichard Unonius, Carolina P B Gracitelli, Tiago Santos Prata
The aim of this study was to use Spectral Domain-Optical Coherence Tomography (SD-OCT) to measure the thickness of the Macular Inner Retinal Layer (MIRL) and compare the results between diabetic patients with no signs of retinopathy and healthy subjects. Overall, 47 type 2 diabetic patients without clinical signs of retinopathy were prospectively analyzed along with 36 healthy subjects. This study excluded patients with other systemic or ocular diseases. All patients had their MIRL thickness measured by RTVue-100 SD-OCT (7x7 mm macular grid)...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30386802/combined-argon-laser-and-low-dose-acetylsalicylic-acid-in-treatment-of-acute-central-serous-chorioretinopathy
#9
Alahmady Hamad Alsmman, Engy Mohamed Mostafa, Amr Mounir
This study was designed to evaluate the efficacy of low-dose of oral acetylsalicylic acid (aspirin) with focal argon laser for the treatment of acute central serous chorioretinopathy (CSCR). In this prospective case-control study, 40 Patients with acute CSCR were classified randomly to two groups; group A with no treatment as the control group and group B with argon Laser in focal treatment once, followed by aspirin, 100 mg per day orally, with follow up period of 12 months by evaluation of visual acuity, and by Optical Coherence Tomography (OCT), every three months for one year...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30386801/intraocular-hemorrhage-due-to-use-of-sildenafil-in-a-patient-with-diabetes
#10
Cagri Ilhan, Mehmet Murat Uzel, Mehmet Citirik
Sildenafil is one of the most commonly used drugs for sexual dysfunction or to increase libido, and it regulates endothelial nitric oxide synthase enzyme via selective phosphodiesterase-V inhibition. Sildenafil can be easily obtained without a medical indication or prescription yet it is not considered as a completely safe medication. Hemoptysis and hemorrhagic stroke are some important adverse effects of sildenafil. The case of the current report was a 67-year-old diabetic patient with simultaneous anterior and posterior segment hemorrhage after the use of 100 mg sildenafil citrate...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30386800/regulatory-t-cells-and-ocular-graft-versus-host-disease-a-novel-treatment-approach
#11
Mohammad Reza Pishnamaz, Ebrahim Jafarzadehpour, Razieh Pishnamaz
Graft Versus Host Disease (GVHD) is an inflammatory immune disease, mediated by the donor's immune cells and can arise after allogeneic Hematopoietic Stem Cell Transplantation (HSCT) for the treatment of hematologic malignancies. It can lead to destructive manifestations in various tissues, particularly dermatological, gastrointestinal, and ocular tissues. The most common ocular morbidity is dry eyes, which is often the first manifestation of GVHD. Regulatory T cells (Tr) can be broadly classified as natural or adaptive (induced)...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30386799/in-vivo-evaluation-of-peripheral-refraction-changes-with-single-vision-and-multifocal-soft-contact-lenses
#12
Jie Shen, Frank Spors, Dorcas Tsang, Lance E McNaughton, Donald J Egan
This study investigated in-vivo changes of peripheral refraction with commercially available single vision and multifocal soft contact lenses, utilizing different designs and various corrective power values. Starting at the fovea, wave-front aberrations were measured up to 30o nasal retinal eccentricity, in 10o increments, using a commercially available Shack-Hartmann aberrometer. Three different types of contact lenses were fitted in an adult subject's right eye: Acuvue Oasys Single Vision (ASV), Proclear Multifocal D with 2...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30386798/use-of-rho-kinase-inhibitors-in-ophthalmology-a-review-of-the-literature
#13
Majid Moshirfar, Lawsen Parker, Orry C Birdsong, Yasmyne C Ronquillo, Daniel Hofstedt, Tirth J Shah, Aaron T Gomez, Phillip C Sr Hoopes
The use of Rho Kinase (ROCK) inhibitors as therapeutic agents in ophthalmology has been a topic of discussion for several years, particularly in the realm of glaucoma, Fuchs' endothelial dystrophy, and diabetic retinopathy. In this review, the authors provide a detailed and comprehensive overview of the published literature on the use of Rho kinase inhibitors for the aforementioned purposes. A thorough search of several databases was conducted to find sufficient literature on ROCK inhibitors. This research found strong evidence demonstrating that inhibition of Rho kinase significantly decreases IOP, increases healing of the corneal endothelium, and decreases progression of diabetic retinopathy...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30386797/micropulse-transscleral-cyclophotocoagulation-a-hypothesis-for-the-ideal-parameters
#14
REVIEW
Facundo G Sanchez, Juan C Peirano-Bonomi, Tomas M Grippo
MicroPulse transscleral cyclophotocoagulation (IRIDEX Corp., Mountain View, CA) is a novel technique that uses repetitive micropulses of active diode laser (On cycles) interspersed with resting intervals (Off cycles). It has been proposed that the OFF cycles allow thermal dissipation and, therefore, reduce collateral damage. The literature suggests that Micropulse has a better safety profile compared to traditional continuous-wave cyclophotocoagulation. However, because it is a relatively new technique, there are no clear guidelines stating the ideal laser parameters that would allow the best balance between high and sustained effectiveness with minimal side effects...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30250858/the-effect-of-artificial-tear-preparations-with-three-different-ingredients-on-contrast-sensitivity-in-patients-with-dry-eye-syndrome
#15
Sezen Akkaya
This study was conducted to investigate the effects of Artificial Tear Preparations (ATP) with three different ingredients on contrast sensitivity in patients with dry eye syndrome. Contrast sensitivity measurements were obtained before and 5, 15, 30, 60, and 90 minutes after administering three different ATPs, containing dextran 70, hydroxypropyl methylcellulose (ATP-1), polyvinyl alcohol-povidone (ATP-2) and carbomer (ATP-3) to one eye of 20 patients with dry eye syndrome, who had been divided to three groups...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30250857/combined-lateral-rectus-myectomy-and-maximal-medial-rectus-resection-in-complete-third-cranial-nerve-palsy
#16
Hajar Farvardin, Majid Farvardin, Samaneh Koohestani
This study was performed to describe lateral rectus myectomy and maximal medial rectus resection for correction of eye deviation in complete third cranial nerve palsy. A retrospective review of thirteen patients (fourteen eyes) with complete third cranial nerve palsy, who underwent lateral rectus myectomy and maximal medial rectus resection, was performed. These procedures were combined with superior oblique tendon transposition in nine patients with a large angle of exotropia (more than 60 prism diopters [∆]), or significant hypotropia (more than 5 ∆)...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30250856/reoperation-in-horizontal-strabismus-and-its-related-risk-factors
#17
Zhale Rajavi, Mohammad Gozin, Hamideh Sabbaghi, Narges Behradfar, Bahareh Kheiri, Mohmmad Faghihi
This study was performed to determine the surgical outcomes and the related risk factors of second operation in patients with residual horizontal deviations. In this interventional case series study, a total of 119 patients with a history of reoperation were included (39 exotropia and 80 esotropia). Cases with consecutive strabismus, muscular palsy, systemic disease, lack of ocular fixation, and those, who had vertical deviation and Dissociated Vertical Deviation (DVD)>5 Prism Diopters (pd) were excluded...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30250855/corneal-biomechanical-properties-and-thickness-in-primary-congenital-glaucoma-and-normal-eyes-a-comparative-study
#18
Athar Zareei, Mohammad Reza Razeghinejad, Ramin Salouti
The correct estimation of Intraocular Pressure (IOP) is the most important factor in the management of various types of glaucoma. Primary congenital glaucoma is a type of glaucoma that can cause blindness in the absence of control of the IOP. In this retrospective observational study, 95 eyes, including 48 healthy eyes and 47 eyes with Primary Congenital Glaucomatous (PCG) were studied. Two groups were matched for age, gender, and Goldman Applanation Tonometry (GIOP). Corneal Hysteresis (CH), Corneal Resistance Factor (CRF), and Goldman intraocular pressure were measured by ORA (IOPg), and corneal compensated Intraocular Pressure (IOPcc) was measured for each patient using the Ocular Response Analyzer (ORA)...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30250854/short-term-results-of-sutureless-scleral-tunnel-trabeculectomy-using-adjunctive-topical-bevacizumab
#19
Mohammad Arish, Omid Bagherzadeh, Seyed Sajad Ahmadi, Javad Sadeghi-Allahabadi, Samira Hassanzadeh
This study was performed to assess the short-term effect of sutureless scleral tunnel trabeculectomy procedure with and without topical bevacizumab. Thirty patients with Primary Open-Angle Glaucoma (POAG) were enrolled and randomly divided to two groups. Patients in the first group (15 patients) underwent sutureless trabeculectomy without topical bevacizumab and patients in the second group (15 patients) underwent sutureless trabeculectomy with 1.25 mg of topical bevacizumab. Intraocular Pressure (IOP) of both groups was measured by an expert ophthalmologist, without awareness of the patient's study group before the operation and six months post-operatively...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/30250853/teleophthalmology-support-for-primary-care-diagnosis-and-management
#20
Elmar Torres, Paulo H Morales, Olimpio J N V Bittar, Nacime S Mansur, Solange R Salomão, Rubens Jr Belfort
This study was performed to evaluate a healthcare strategy based on teleophthalmology for diagnosis and management of primary healthcare users. A descriptive cross-sectional study was conducted to review the medical records of patients from January 2013 to December 2014 from primary care units in the city of São Paulo. The units referred patients, who had diabetes or high blood pressure, and were users of chloroquine compounds, for a fundus examination. The images were sent to a reading center for review, diagnosis, and patient referrals...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
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