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https://www.readbyqxmd.com/read/29663139/corneal-biopsy-for-diagnosis-of-recalcitrant-microbial-keratitis
#1
Dana Robaei, U-Teng Chan, Pauline Khoo, Svetlana Cherepanoff, Yi-Chiao Li, Jane Hanrahan, Stephanie Watson
PURPOSE: To document the findings of corneal biopsies for progressive microbial keratitis in a large tertiary referral institution. METHODS: A retrospective medical records review of all patients who underwent at least one corneal biopsy for the diagnosis of microbial keratitis at Sydney Eye Hospital, Australia between January 1, 2010 and December 31, 2016 was performed. RESULTS: Thirty-eight patients (18 men and 20 women) underwent a corneal biopsy for progressive microbial keratitis unresponsive to broad-spectrum topical antimicrobials...
April 16, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29656886/oscillatory-squeeze-film-analysis-of-soft-contact-lenses
#2
Éanna Mac Donnchadha, Cristina Leal, Harry Esmonde
The complex modulus of a soft contact lens affects the optical performance, fitting, on-eye movement, wettability, physiological impact and overall comfort of the lens. However, despite acknowledgement that the mechanical behaviour of contact lenses is time-dependent, the rheological characteristics of contact lenses remain under-defined. While existing studies have focussed on elasticity to describe lens behaviour, this paper proposes using oscillatory squeeze film analysis to evaluate the complex modulus...
April 13, 2018: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/29655846/telocyte-like-cells-containing-weibel-palade-bodies-in-rat-lamina-fusca
#3
C E Petrea, M C Rusu, V S Mănoiu, A D Vrapciu
Telocytes (TCs) are cells with long, thin and moniliform processes called telopodes. These cells have been found in numerous tissues, including the eye choroid and sclera. Lamina fusca (LF), an anatomical structure located at the sclera-choroid junction, has outer fibroblastic lamellae containing cells with long telopodes. The purpose of this study was to evaluate, via transmission electron microscopy, the LF for the presence of endothelial-specific ultrastructural features, such as Weibel-Palade bodies (WPBs), in the residing TCs...
April 12, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29650469/expanding-the-traditional-role-of-optometry-current-practice-patterns-and-attitudes-to-enhanced-glaucoma-services-in-ireland
#4
Catriona Barrett, James Loughman
PURPOSE: To investigate current diagnostic equipment availability and usage for glaucoma case-finding within community optometric practice, and to explore optometrists' attitudes towards an enhanced scope of clinical practice. METHODS: An anonymous survey was developed, validated, and distributed to all optometrists in Ireland. RESULTS: 199 optometrists (27% of registrants) responded to the survey. 87% had access to the traditional triad of tests necessary to conduct adequate glaucoma case finding...
April 9, 2018: Journal of Optometry
https://www.readbyqxmd.com/read/29649160/eye-on-the-ball-table-tennis-as-a-pro-health-form-of-leisure-time-physical-activity
#5
Elżbieta Biernat, Sonia Buchholtz, Justyna Krzepota
Background: The article is devoted to an analysis of leisure-time (amateur) table tennis in Poland, its practitioners and the regularities of their activity. Methods: The study examined 12,406 persons in 4689 households (representative for the population). We used binary logistic regression and descriptive statistics in order to identify the patterns and determinants of table-tennis practice in Poland. Results: Table tennis is practised by 2.8% of population, and by 6.6% of physically active Poles. Among adults it is predominantly an occasional recreational game, not performed as a sport per se...
April 12, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29644148/differential-deposition-of-fluorescently-tagged-cholesterol-on-commercial-contact-lenses-using-a-novel-in-vitro-eye-model
#6
Hendrik Walther, Chau-Minh Phan, Lakshman N Subbaraman, Lyndon Jones
Purpose: We evaluate the differences in lipid uptake and penetration in daily disposable (DD) contact lenses (CL) using a conventional "in-vial" method compared to a novel in vitro eye model. Methods: The penetration of fluorescently labelled 22-(N-(7-Nitrobenz-2-Oxa-1,3-Diazol-4-yl)Amino)-23,24-Bisnor-5-Cholen-3beta-Ol (NBD)-cholesterol on three silicone hydrogel (SH) and four conventional hydrogel (CH) DD CLs were investigated. CLs were incubated for 4 and 12 hours in a vial, containing 3...
April 2018: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/29643820/the-attribution-of-mental-health-problems-to-jinn-an-explorative-study-in-a-transcultural-psychiatric-outpatient-clinic
#7
Anastasia Lim, Hans W Hoek, Samrad Ghane, Mathijs Deen, Jan Dirk Blom
Background: Among Muslim patients, a common cultural concept of distress is the notion that jinn may be the cause of mental health problems, especially in the presence of hallucinations. Objective: This study examines the frequency with which this attribution style is manifest in a specific psychiatric outpatient population with a Muslim background. Methods: Of all patients registered at an outpatient clinic specialized in transcultural psychiatry, data were collected on folk belief, religion, hallucinations (if present), and medical diagnosis...
2018: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29643799/optical-coherence-tomography-examination-of-the-anterior-segment-in-a-case-of-corneal-perforation-and-lens-trauma-by-chestnut-burr
#8
Takashi Ono, Yosai Mori, Ryohei Nejima, Takuya Iwasaki, Shiro Amano, Kazunori Miyata
Chestnut burrs, the thorny encapsulation of chestnut fruit, can sometimes cause corneal injuries and ulceration, with poor prognoses. We report a case of corneal perforation and damaged anterior lens capsule due to a chestnut burr, using anterior segment optical coherence tomography (AS-OCT). A 67-year-old woman with a chestnut burr injury in her right eye was referred to our hospital. Her right best-corrected visual acuity (BCVA) was 0.8. Slit-lamp examination and AS-OCT showed perforation involving the endothelial layer at the center of the cornea...
January 2018: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29643792/a-case-of-neurotrophic-keratopathy-associated-with-nasopharyngeal-carcinoma
#9
Tomoko Sato, Koji Sugioka, Aya Kodama-Takahashi, Masahiko Fukuda, Hiroshi Mishima, Yoshikazu Shimomura
Purpose: To report a case of neurotrophic keratopathy associated with nasopharyngeal carcinoma. Case Report: A 59-year-old man who had been diagnosed with a nasopharyngeal carcinoma was referred to the authors because of visual disturbance and pain in his right eye. Slit-lamp examination revealed a corneal epithelial defect and corneal stromal edema surrounding the epithelial defect area in his right eye. Magnetic resonance imaging showed a mass in his cavernous sinus, which was identified as nasopharyngeal carcinoma (NPC)...
January 2018: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29643713/modified-conjunctival-flap-as-a-primary-procedure-for-nontraumatic-acute-corneal-perforation
#10
Yi-Chen Sun, Jason P Kam, Tueng T Shen
Objective: Appropriate management of nontraumatic acute corneal perforation is always a challenge even with the many advances in surgical materials and techniques. We reported the outcomes of a case series of acute corneal perforation repair using a newly modified conjunctival flap with amniotic membrane transplant (AMT), fibrin glue, and a bandage soft contact lens (BCL). Materials and Methods: A total of 13 consecutive referral cases with nontraumatic acute corneal perforation at the University of Washington were reviewed...
January 2018: Ci Ji Yi Xue za Zhi, Tzu-chi Medical Journal
https://www.readbyqxmd.com/read/29643540/-verification-of-skin-paste-electrodes-used-in-wireless-polysomnography
#11
Y D Ma, D Huang, Y F Chen, H Y Jiang, J H Liu, H Q Sun, Z H Li
OBJECTIVE: To explore an electrode suitable for wireless portable sleep monitoring equipment and analyze the result of the signals of electrooculogram (EOG) and electroencephalography (EEG) collected by this kind of flexible electrodes. METHODS: The flexible electrodes were prepared by microelectromechanical systems (MEMS) technology. This kind of electrodes consisted parylene, chromium, and gold. Parylene, the flexible substrate of this kind of flexible electrodes, was of biocompatibility...
April 18, 2018: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29621511/spectral-domain-optical-coherence-tomography-in-limbal-stem-cell-deficiency-a-case-control-study
#12
Nilly Banayan, Cristina Georgeon, Kate Grieve, Vincent M Borderie
PURPOSE: To evaluate the efficacy of optical coherence tomography as a non-contact method for imaging the ocular surface in limbal stem cell deficiency (LSCD) and normal eyes. DESIGN: Retrospective case-control study. METHODS: SETTING: Institutional. STUDY POPULATION: 22 eyes with LSCD (study group, 22 patients) and 10 normal eyes (control group, 10 patients). OBSERVATION PROCEDURES: SD-OCT and confocal microscopy in both the limbal and central corneal zones...
April 2, 2018: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/29620911/association-between-history-of-multiple-concussions-and-health-outcomes-among-former-college-football-players-15-year-follow-up-from-the-ncaa-concussion-study-1999-2001
#13
Zachary Y Kerr, Leah C Thomas, Janet E Simon, Michael McCrea, Kevin M Guskiewicz
BACKGROUND: Previous research has examined associations between concussion history and adverse health outcomes among former professional football players. Less is known about the potential effects of concussion among former college football players without additional exposure at the professional level. PURPOSE: To examine the association between concussion and adverse health outcomes in a cohort of former college football players without exposure to professional football, 15 years after their playing careers ended...
April 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29616408/difference-in-intraocular-pressure-measurements-between-non-contact-tonometry-and-goldmann-applanation-tonometry-and-the-role-of-central-corneal-thickness-in-affecting-glaucoma-referrals
#14
Khalid Kamel, Edward Dervan, Kevin Falzon, Colm O'Brien
BACKGROUND: Patients at glaucoma risk are commonly identified by optometrists and subsequently referred to glaucoma specialists. Optometrists mainly use non-contact tonometry (NCT) for intraocular pressure (IOP) measurement. AIMS: To investigate the role of differences in IOP measurement between NCT and Goldmann applanation tonometry (GAT) and the effect of central corneal thickness (CCT) on these differences in optometrist referrals METHODS: Details of the initial clinical visit of patients referred with IOP > 21 mmHg in either eye as measured by NCT to a consultant glaucoma specialist were retrospectively reviewed...
April 4, 2018: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/29611372/scleral-buckling-under-a-slit-lamp-illumination-system-with-a-contact-wide-angle-viewing-lens-compared-with-an-indirect-ophthalmoscope
#15
Seung Yong Choi, Youlim Lee, Mirinae Kim, Young Hoon Park
PURPOSE: To investigate the outcomes of scleral buckling surgery performed under a slit-lamp illumination system (Visulux) with a contact wide-angle viewing lens (Mini Quad) in patients with rhegmatogenous retinal detachment (RRD) and to compare these outcomes with those of surgery performed under an indirect ophthalmoscope. METHODS: By retrospective review of electronic medical records, patients with RRD who had undergone scleral buckling surgery were identified...
March 13, 2018: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/29611370/influence-of-sodium-hyaluronate-concentration-on-corneal-aberration-in-soft-contact-lens-wearers
#16
Jong Soo Lee, Jong Moon Park, Hyun Kyung Cho, Su Jin Kim, Hyoun Do Huh, Young Min Park
PURPOSE: This study aimed to evaluate the influence of varying concentrations of sodium hyaluronate (SH) eye drops on corneal aberrations in normal individuals wearing silicone hydrogel contact lenses. METHODS: Normal individuals wearing silicone hydrogel contact lenses were enrolled in this study. Subjects were classified into two groups depending on the concentration of the preservative-free SH used (group 1, 0.1% SH; group 2, 0.3% SH). All subjects were asked to blink five times after instillation of the SH eye drop and before the Galilei measurements...
March 13, 2018: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/29611096/experimental-validation-of-robot-assisted-cardiovascular-catheterization-model-based-versus-model-free-control
#17
Xiaomei Wang, Kit-Hang Lee, Denny K C Fu, Ziyang Dong, Kui Wang, Ge Fang, Su-Lin Lee, Alex P W Lee, Ka-Wai Kwok
PURPOSE: In cardiac electrophysiology, a long and flexible catheter is delivered to a cardiac chamber for the treatment of arrhythmias. Although several robot-assisted platforms have been commercialized, the disorientation in tele-operation is still not well solved. We propose a validation platform for robot-assisted cardiac EP catheterization, integrating a customized MR Safe robot, a standard clinically used EP catheter, and a human-robot interface. Both model-based and model-free control methods are implemented in the platform for quantitative evaluation and comparison...
April 2, 2018: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/29607856/hybrid-contact-lenses-for-visual-management-of-patients-after-keratoplasty
#18
Y Altay, O Balta, A Burcu, F Ornek
Aim: This study aims to report the outcomes of new-generation hybrid contact lenses for visual rehabilitation of postkeratoplasty patients. Materials and Methods: Twenty eyes of twenty postkeratoplasty patients were fitted with hybrid lenses. Each patient's keratometric values, ocular surface irregularity indices, central corneal thickness (CCT), uncorrected visual acuity (UCVA), spectacle-corrected visual acuity, contact lens-corrected visual acuity, contact lens fitting data, and contact lens daily wearing time were recorded...
April 2018: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29604280/effect-of-a-contact-lens-for-in-vivo-mouse-retinal-imaging-effective-focal-length-changes-and-monochromatic-aberrations
#19
Pengfei Zhang, Jacopo Mocci, Daniel J Wahl, Ratheesh Kumar Meleppat, Suman K Manna, Martino Quintavalla, Riccardo Muradore, Marinko V Sarunic, Stefano Bonora, Edward N Pugh, Robert J Zawadzki
For in vivo mouse retinal imaging, especially with Adaptive Optics instruments, application of a contact lens is desirable, as it allows maintenance of cornea hydration and helps to prevent cataract formation during lengthy imaging sessions. However, since the refractive elements of the eye (cornea and lens) serve as the objective for most in vivo retinal imaging systems, the use of a contact lens, even with 0 Dpt. refractive power, can alter the system's optical properties. In this investigation we examined the effective focal length change and the aberrations that arise from use of a contact lens...
March 28, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29603665/uv-radiation-oxidative-stress-affects-eye-health
#20
REVIEW
Iliya V Ivanov, Timo Mappes, Patrick Schaupp, Christian Lappe, Siegfried Wahl
In the eye ultraviolet radiation (UVR) is not known to contribute to visual perception but to mainly damage multiple structures. UVR carries higher energy than visible light and high dose exposure to UVR causes direct cellular damage, which has an important role in the development of cancer. This review provides an overview on the most recent knowledge on the role of UVR in oxidative stress (OS) in relation to non-cancer ocular pathologies: various corneal pathologies, cataract, glaucoma, and age-related macular degeneration...
March 30, 2018: Journal of Biophotonics
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