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Medical Hypothesis, Discovery and Innovation in Ophthalmology

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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
https://www.readbyqxmd.com/read/30250852/a-modified-small-incision-lenticule-intrastromal-keratoplasty-slike-for-the-correction-of-high-hyperopia-a-description-of-a-new-surgical-technique-and-comparison-to-lenticule-intrastromal-keratoplasty-like
#7
Majid Moshirfar, Tirth J Shah, Maliha Masud, Trey Fanning, Steven H Linn, Yasmyne Ronquillo, Phillip C Sr Hoopes
Patients with high hyperopia are generally confined to either spectacle wear or contact lenses as a primary means of refractive correction. For this patient population, the surgical corrective methods, such as hyperopic laser assisted in-situ keratomileusis (LASIK) and photorefractive keratectomy (PRK) are imperfect options due to induction of higher-order aberrations, optical regression, and loss of best corrected distance visual acuity. Recently, there has been growing interest in lenticule implantation underneath a flap via lenticule intrastromal keratoplasty (LIKE) for high hyperopia correction (+3 diopters to +10 diopters)...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/29644244/knowledge-and-awareness-of-glaucoma-in-subjects-with-glaucoma-and-their-normal-first-degree-relatives
#8
Ali Riza Cenk Celebi
The objective of this study was to assess knowledge and awareness of glaucoma in subjects with glaucoma and their normal first-degree relatives. Awareness and knowledge of glaucoma were compared between each patient and his/her relative. We designed a questionnaire containing a set of brief and structured questions to gather information regarding the participants' demographics and knowledge and awareness of glaucoma. There were two groups in this study. The first group ("glaucoma" group) comprised patients diagnosed with glaucoma, while the second group ("relatives" group) consisted of the first-degree relatives of the patients...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/29644243/comparison-of-visual-refractive-and-aberration-measurements-of-intacs-versus-toric-icl-lens-implantation-a-four-year-follow-up
#9
Shahrokh Ramin, Azad Sangin Abadi, Farideh Doroodgar, Mehrdad Esmaeili, Faizollah Niazi, Sana Niazi, Cyrus Alinia, Yaser Golestani, Reza Taj Abadi
This study was performed to evaluate the visual, refractive, and aberration measurement results of 2 implants, including Intacs Intracorneal Ring Segments (ICRS) and phakic Toric Implantable Collamer Lens (TICL), in patients with moderate Keratoconus (KCN). In this retrospective cross-sectional study, 30 patients with KCN with a mean age of 29.83 years were included in 2 groups, including the Intacs Intracorneal Ring Segments (ICRS) group and the phakic Toric Implantable Collamer Lens (TICL) group. Preoperative data as well as 6-month, 1-, 2-, 3- and 4-year follow-up data after the operation were collected and analyzed with the SPSS software (ver...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/29644242/the-association-between-tgf-%C3%AE-1-g915c-arg25pro-polymorphism-and-the-development-of-primary-open-angle-glaucoma-a-case-control-study
#10
Efthymios Karmiris, Nikos Kourtis, Malena P Pantou, Dimitris Degiannis, Ilias Georgalas, Dimitrios Papaconstantinou
The purpose of the current study was to identify the potential association between Single Nucleotide Polymorphism (SNP) TGFβ1 +915 (C or G) in codon 25 and Primary Open Angle Glaucoma (POAG). Overall, 88 cases with POAG and a control group of 52 healthy individuals were recruited from the First Ophthalmology Department of Athens University. DNA was isolated from whole blood samples and genotype frequencies for the polymorphism rs1800471 (G915C, Arg25Pro) of the TGF-β1 gene were assessed. Genotype distribution frequencies for the polymorphism rs1800471 (G915C, Arg25Pro) of the TGF-β1 gene were not statistically different between patients with POAG and control subjects...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/29644241/striped-circle-visual-acuity-chart-a-novel-visual-acuity-chart-based-on-the-landolt-c-chart
#11
Mohammad Reza Pishnamaz, Hadi Ostadimoghaddam
Measurement of Visual Acuity (VA) has been used for eye examinations under various clinical conditions. In addition, because of changes in VA with a range of eye diseases, its measurement is used to screen, diagnose, and evaluate response to treatment in numerous eye diseases and predict the patient's visual function. VA and the likelihood of astigmatism could be evaluated simultaneously using a newly designed Stripped Circle (SC) VA chart. This chart has been developed based on the standard VA measurement scale chart, and the Landolt-C (LC) VA chart and all the standards for a VA chart design were implemented during its development...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/29644240/consanguineous-marriage-as-a-risk-factor-for-developing-keratoconus
#12
Hossein Jamali, Vahid Beigi, Ali Sadeghi-Sarvestani
Heredity plays an important role in keratoconus (KC). Consanguineous marriage (CM) can affect the transmission of recessively inherited conditions. We aimed to investigate the role of consanguineous marriage in the development of KC. This study included two groups: the first group comprised 415 patients who underwent surgery for KC for the first time at Khalili University Hospital (Shiraz, Iran), between 2010 and 2014; the second group comprised 415 healthy individuals who served as age- and sex-matched controls for the patient group...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/29644239/the-correlation-between-changes-in-biochemical-parameters-and-central-macular-thickness-in-patients-with-non-proliferative-diabetic-retinopathy
#13
Ayse Gul Kocak Altintas, Bayram Gulpamuk, Veysel Cankurtaran, Cagri Ilhan, Mehmet Citirik
This study aimed at evaluating the correlation between changes in Hemoglobin A1c (HbA1c) and fasting serum lipids, and Central Macular Thickness (CMT) in patients with Non-Proliferative Diabetic Retinopathy (NPDR). In the current research, both eyes of 68 patients with mild or moderate NPDR, without clinically significant macular edema, were studied. Levels of fasting serum lipids, HbAlc, and CMT were measured during the first visit and at the end of the follow-up period (3 months). For statistical analysis, CMTs of each eye were studied and the correlation of changes was investigated...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/29644238/mechanisms-of-optical-regression-following-corneal-laser-refractive-surgery-epithelial-and-stromal-responses
#14
REVIEW
Majid Moshirfar, Jordan D Desautels, Brian D Walker, Michael S Murri, Orry C Birdsong, Phillip C Hoopes
Laser vision correction is a safe and effective method of reducing spectacle dependence. Photorefractive Keratectomy (PRK), Laser In Situ Keratomileusis (LASIK), and Small-Incision Lenticule Extraction (SMILE) can accurately correct myopia, hyperopia, and astigmatism. Although these procedures are nearing optimization in terms of their ability to produce a desired refractive target, the long term cellular responses of the cornea to these procedures can cause patients to regress from the their ideal postoperative refraction...
2018: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/29560368/surgical-versus-medical-treatment-for-diabetic-macular-edema-a-review
#15
REVIEW
Nicolás Crim, Raúl Velez-Montoya, Virgilio Morales-Canton
We aimed to compare the results of pars plana vitrectomy (PPV) with internal limiting membrane (ILM) peeling, an alternative therapeutic strategy, with those of medical treatment for chronic macular edema. We conducted a review of the literature on the microscopic, anatomical, and functional reasons for performing PPV with ILM peeling in patients with diabetic macular edema (DME). We searched the PubMed database for articles published between 2000 and 2017. We used the medical subject heading "vitrectomy diabetic macular edema" and the keywords "diabetic macular edema", "internal limiting membrane peeling", "pars plana vitrectomy", "diabetic retinopathy", and "optical coherence tomography"...
2017: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/29560367/characteristics-of-astigmatism-after-myoring-implantation
#16
Bahram Khosravi, Masoud Khorrami-Nejad, Sattar Rajabi, Mohamad Amiri, Hesam Hashemian, Mehdi Khodaparast
Considering the rising number of MyoRing implantation procedures in keratoconic corneas and the refractive outcomes associated with this treatment modality, this study aimed to evaluate and compare the magnitude and axis orientation of total and corneal astigmatism between before and after MyoRing implantation in 34 eyes of 28 patients with keratoconus (KCN) (mean age: 29.41 ± 7.0 years). The inclusion criterion was a reliable diagnosis of clinical KCN based on corneal biomicroscopic and tomographic findings...
2017: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/29560366/sensitivity-and-specificity-of-swedish-interactive-threshold-algorithm-and-standard-full-threshold-perimetry-in-primary-open-angle-glaucoma
#17
Shahram Bamdad, Vahid Beigi, Mohammad Reza Sedaghat
Perimetry is one of the mainstays in glaucoma diagnosis and treatment. Various strategies offer different accuracies in glaucoma testing. Our aim was to determine and compare the diagnostic sensitivity and specificity of Swedish Interactive Threshold Algorithm (SITA) Fast and Standard Full Threshold (SFT) strategies of the Humphrey Field Analyzer (HFA) in identifying patients with visual field defect in glaucoma disease. This prospective observational case series study was conducted in a university-based eye hospital...
2017: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/29560365/prevalence-of-helicobacter-pylori-infection-in-patients-with-central-serous-chorioretinopathy-a-review
#18
REVIEW
Masood Bagheri, Zahra Rashe, Mohammad Hosein Ahoor, Mohammad Hosein Somi
Helicobacter pylori is a prevalent cause of gastrointestinal infections. Recently, several studies have shown a relationship between H. pylori infection and a variety of extradigestive manifestations. The aim of this study was to review the literature regarding the prevalence of this infection in cases of central serous chorioretinopathy (CSR). We reviewed the EMBASE, Cochrane Library, and Google Scholar search engines; hand-searched many journals; and searched the cited references in published articles for relevant studies...
2017: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/29560364/accelerated-versus-conventional-corneal-collagen-cross-linking-for-progressive-keratoconus
#19
Farshad Ostadian, Mahmoud-Reza Panahi-Bazaz, Seyed Mohsen Moosazadeh, Saeed Hesam
We aimed to compare the effect of accelerated and conventional corneal collagen cross-linking (CXL) on visual, refractive, and topographic parameters in patients with progressive keratoconus. Between December 2014 and February 2016, at Imam Khomeini Hospital, Ahvaz Jundishapur University of Medical Sciences, Iran, we compared 37 eyes of 21 patients treated by conventional CXL (CCXL; 3 mW/cm2 in 30 minutes) with 34 eyes of 18 patients treated by accelerated CXL (ACXL; 18 mW/cm2 in 5 minutes) based on generalizing estimation equation analysis in terms of corrected distance visual acuity (CDVA), uncorrected distance visual acuity (UDVA), corneal endothelial cell indices, and topographic parameters before and at 3, 6 and 12 months after the operation...
2017: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/29560363/sodium-fluorescein-staining-of-the-cornea-for-the-diagnosis-of-dry-eye-a-comparison-of-three-eye-solutions
#20
Ming Chen, Maile Miki, Szuyuan Lin, So Yung Choi
The purpose of this study was to identify which of the eye solutions is best for sodium fluorescein staining of the cornea to diagnose dry eye disease. The study included 173 eyes with suspected or known dry eye disease. The eyes were stained sequentially with sodium fluorescein and each of the following four conditions: balanced salt solution (BSS); BSS and cyclosporine 0.05% emulsion; BSS and lipids containing omega-3; and BSS, cyclosporine 0.05% emulsion, and lipids containing omega-3. Our results showed that compared to BSS alone, artificial tears with cyclosporine 0...
2017: Medical Hypothesis, Discovery and Innovation in Ophthalmology
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