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Journal of Ophthalmology

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https://www.readbyqxmd.com/read/28638660/analysis-of-clinical-characteristics-of-immune-related-dry-eye
#1
Hua Wang, Ping-Bao Wang, Ting Chen, Jing Zou, Ya-Jia Li, Xu-Fang Ran, Qiang-Xiang Li
AIM: To discuss the clinical characteristics of immune-related dry eye. METHODS: Simple dry eye (SDE) group: we selected 224 patients of simple dry eye with no systemic lesions. Immune-related dry eye (IRDE) group: we selected 207 patients of dry eye complicated with immune system diseases, including 70 cases of Sjögren's syndrome (SS), 72 cases of systemic lupus erythematosus (SLE), and 65 cases of rheumatoid arthritis (RA). The classification of all patients was performed...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28634544/efficacy-of-subconjunctival-bevacizumab-injections-before-and-after-surgical-excision-in-preventing-pterygium-recurrence
#2
Raffaele Nuzzi, Federico Tridico
PURPOSE: To evaluate the efficacy of subconjunctival bevacizumab injections, before and after surgical excision with bare sclera technique, in preventing postoperative pterygium recurrence. MATERIAL AND METHODS: 83 eyes of 83 patients affected with primary pterygia underwent surgical excision. 42 eyes received two subconjunctival bevacizumab injections, at the dosage of 2.5 mg/0.1 ml, one week prior surgery and one week after intervention. Recurrence rate was evaluated among the two groups...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28630766/corneal-endothelial-characteristics-central-corneal-thickness-and-intraocular-pressure-in-a-population-of-chinese-age-related-cataract-patients
#3
Yingmei Li, Zhentao Fu, Jian Liu, Miao Li, Yuguang Zhang, Xinyi Wu
PURPOSE: To describe corneal endothelial characteristics, central corneal thickness, and intraocular pressure in a population of Chinese age-related cataract patients and to determine the effects of age, gender, hypertension, and body mass index (BMI). METHODS: 1551 eyes were examined preoperatively. The parameters measured were endothelial cell density (CD), average cell area (CA), coefficient of variation (CV), cell hexagonality (HEX), central corneal thickness (CCT), intraocular pressure (IOP), and axial length (AL)...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28630765/enhanced-depth-imaging-optical-coherence-tomography-a-new-way-measuring-choroidal-thickness-in-pregnant-women
#4
REVIEW
Jun Zhang, Huiyun Wang, Qiubo Yu, Qihu Tong, Qinkang Lu
The body changes markedly during pregnancy; each system behaves differently from a nonpregnant state. As the eyes are the only windows to see directly what is going on in the internal environment, more and more researches have been done to explain the association between ocular changes and the physiological and pathological changes during pregnancy. The choroid is one of the critical parts of the eye, providing nutrition. And abnormal choroid may result in ocular dysfunction and visual problems. As the optical coherence tomography develops, a rapid, direct, noninvasive, and nontoxic way is available to obtain the choroid situation of pregnant women, which may explain the mechanism of pregnancy-related eye diseases...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28630764/impact-of-b-scan-averaging-on-spectralis-optical-coherence-tomography-image-quality-before-and-after-cataract-surgery
#5
Dominika Podkowinski, Ehsan Sharian Varnousfaderani, Christian Simader, Hrvoje Bogunovic, Ana-Maria Philip, Bianca S Gerendas, Ursula Schmidt-Erfurth, Sebastian M Waldstein
BACKGROUND AND OBJECTIVE: To determine optimal image averaging settings for Spectralis optical coherence tomography (OCT) in patients with and without cataract. STUDY DESIGN/MATERIAL AND METHODS: In a prospective study, the eyes were imaged before and after cataract surgery using seven different image averaging settings. Image quality was quantitatively evaluated using signal-to-noise ratio, distinction between retinal layer image intensity distributions, and retinal layer segmentation performance...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28607772/dark-signals-in-the-choroidal-vasculature-on-optical-coherence-tomography-angiography-an-artefact-or-not
#6
REVIEW
Rui Hua, Hailin Wang
Optical coherence tomography angiography (OCTA) based on mathematical processing of sequentially acquired structural OCT images has been applied widely in both retinal and choroidal research and may have advantages over traditional angiography. Images obtained by OCTA are rendered under the assumption that the only moving entity in the retina is blood flow. Optical phenomena and image processing algorithms may create imaging artefacts. Therefore, OCTA images require careful interpretation. This review discusses the dark signals seen in the choroidal vasculature on OCTA using multiple factor analysis...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28607771/retrospective-study-of-vitreous-tap-technique-using-needle-aspiration-for-management-of-shallow-anterior-chamber-during-phacoemulsification
#7
Ashraf Ahmed Nossair, Wael Ahmed Ewais, Lamia Samy Ali
PURPOSE: To evaluate the technique of vitreous tap using needle aspiration for management of anterior chamber shallowness during phacoemulsification. METHODS: A retrospective study included 26 eyes of 17 patients who underwent phacoemulsification in which vitreous tap was performed using a 27-gauge needle attached to a 5 ml syringe, inserted 3.5 mm from the limbus to aspirate 0.2 ml of liquefied vitreous if a cohesive (OVD) failed to sufficiently deepen the anterior chamber...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28607770/detailed-distribution-of-corneal-epithelial-thickness-and-correlated-characteristics-measured-with-sd-oct-in-myopic-eyes
#8
Yanan Wu, Yan Wang
PURPOSE: To investigate the detailed distribution of corneal epithelial thickness in single sectors and its correlated characteristics in myopic eyes. METHODS: SD-OCT was used to measure the corneal epithelial thickness distribution profile. Differences of corneal epithelial thickness between different parameters and some correlations of characteristics were calculated. RESULTS: The thickest and thinnest part of epithelium were found at the nasal-inferior sector (P < 0...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28596919/rho-kinase-rock-as-a-potential-drug-target-for-vitreoretinal-diseases
#9
REVIEW
Muneo Yamaguchi, Shintaro Nakao, Mitsuru Arima, Iori Wada, Yoshihiro Kaizu, Feng Hao, Shigeo Yoshida, Koh-Hei Sonoda
Rho-associated kinase (Rho-kinase/ROCK) was originally identified as an effector protein of the G protein Rho. Its involvement in various diseases, particularly cancer and cardiovascular disease, has been elucidated, and ROCK inhibitors have already been applied clinically for cerebral vasospasm and glaucoma. Vitreoretinal diseases including diabetic retinopathy, age-related macular degeneration, and proliferative vitreoretinoapthy are still a major cause of blindness. While anti-VEGF therapy has recently been widely used for vitreoretinal disorders due to its efficacy, attention has been drawn to new unmet needs...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28596918/physical-activity-and-quality-of-life-in-retinitis-pigmentosa
#10
Joshua D Levinson, Ethan Joseph, Laura A Ward, Joe R Nocera, Machelle T Pardue, Beau B Bruce, Jiong Yan
PURPOSE: Aerobic exercise has been found to be neuroprotective in animal models of retinal degeneration. This study aims to report physical activity levels in patients with RP and investigate the relationship between physical activity and vision-related quality-of-life (QOL). MATERIALS AND METHODS: A retrospective study of adult patients with RP examined in 2005-2014. Physical activity levels were assessed using the Godin Exercise Questionnaire. The NEI-Visual Function Questionaire-25 (VFQ-25), SF-36 General Health survey, and Pepper Assessment Tool for Disability (PAT-D) were administered...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28596917/assessment-of-vascular-change-using-swept-source-optical-coherence-tomography-angiography-a-new-theory-explains-central-visual-loss-in-behcet-s-disease
#11
Thanapong Somkijrungroj, Sritatath Vongkulsiri, Wijak Kongwattananon, Peranut Chotcomwongse, Sasivarin Luangpitakchumpol, Korrawan Jaisuekul
OBJECTIVE: To evaluate retinal vascular structural change in ocular Behcet's using optical coherence tomography angiography (OCTA) and fluorescein angiography (FA). METHODS: An analytic cross-sectional study of 37 eyes of 21 Behcet's uveitic patients was performed. Foveal retinal thickness (FRT), perifoveal hypoperfusion areas in superficial capillary plexus (SCP), and deep capillary plexus (DCP) were measured with swept-source optical coherence tomography and OCTA...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28593055/a-surgical-cryoprobe-for-targeted-transcorneal-freezing-and-endothelial-cell-removal
#12
Alina Akhbanbetova, Shinichiro Nakano, Stacy L Littlechild, Robert D Young, Madara Zvirgzdina, Nigel J Fullwood, Ian Weston, Philip Weston, Shigeru Kinoshita, Naoki Okumura, Noriko Koizumi, Andrew J Quantock
PURPOSE: To examine the effects of transcorneal freezing using a new cryoprobe designed for corneal endothelial surgery. METHODS: A freezing console employing nitrous oxide as a cryogen was used to cool a series of different cryoprobe tip designs made of silver for high thermal conductivity. In vitro studies were conducted on 426 porcine corneas, followed by preliminary in vivo investigations on three rabbit corneas. RESULTS: The corneal epithelium was destroyed by transcorneal freezing, as expected; however, the epithelial basement membrane remained intact...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28593054/meibomian-gland-dysfunction-in-type-2-diabetic-patients
#13
Xiaolei Lin, Binbin Xu, Yuxi Zheng, Terry G Coursey, Yinying Zhao, Junhua Li, Yana Fu, Xuewen Chen, Yun-E Zhao
PURPOSE: To investigate meibomian gland and tear film function in patients with type 2 diabetes. METHODS: This prospective study compared changes in meibomian gland and tear film function in type 2 diabetic patients with nondiabetic patients. Meibomian gland function was evaluated by measuring lipid layer thickness (LLT), grading of meibomian gland loss, lid margin abnormalities, and expression of meibum. Tear film function was assessed by measuring tear breakup time (TBUT), the Schirmer I test, noninvasive breakup time (NIBUT), tear meniscus height (TMH), and corneal fluorescein staining...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28589037/review-of-small-gauge-vitrectomy-progress-and-innovations
#14
REVIEW
Shaheeda Mohamed, Carl Claes, Chi Wai Tsang
Purpose. To summarise the surgical advances and evolution of small gauge vitrectomy and discuss its principles and application in modern vitreoretinal surgery. The advent of microincisional vitrectomy systems (MIVS) has created a paradigm shift away from twenty-gauge vitrectomy systems, which have been the gold standard in the surgical management of vitreoretinal diseases for over thirty years. Advances in biomedical engineering and surgical techniques have overcome the technical hurdles of shifting to smaller gauge instrumentation and sutureless surgery, improving surgical capabilities and expanding the indications for MIVS...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28584665/multimodal-imaging-in-an-unusual-cluster-of-multiple-evanescent-white-dot-syndrome
#15
Orly Gal-Or, Ethan Priel, Irit Rosenblatt, Shiri Shulman, Michal Kramer
OBJECTIVE: To describe an unusual cluster of multiple evanescent white dot syndrome (MEWDS) encountered within a 3-month period. METHODS: This retrospective observation study is comprised of seven patients who presented with MEWDS in a 3-month period in central Israel. Data were collected from patients' medical records on clinical, multimodal imaging, and viral serology findings. RESULTS: Six women and one man of mean age 31.5 ± 7.2 years...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28584664/a-review-of-innovations-in-rhegmatogenous-retinal-detachment-surgical-techniques
#16
REVIEW
Achia Nemet, Ala Moshiri, Glenn Yiu, Anat Loewenstein, Elad Moisseiev
Rhegmatogenous retinal detachment (RRD) requires surgical intervention for its repair. There are variable techniques used for this purpose, and they are all being continuously refined. In this review, we detail the recent innovations in surgical management of RRD and proliferative vitreoretinopathy (PVR).
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28573047/simultaneous-fluorescein-angiography-and-spectral-domain-optical-coherence-tomography-correlate-retinal-thickness-changes-to-vascular-abnormalities-in-an-in-vivo-mouse-model-of-retinopathy-of-prematurity
#17
Olachi J Mezu-Ndubuisi, Lauren K Taylor, Jamee A Schoephoerster
BACKGROUND: Retinopathy of prematurity (ROP) is a condition of abnormal retinal vascular development (RVD) in premature infants. Fluorescein angiography (FA) has depicted phases (early, mid, late, and mature) of RVD in oxygen-induced retinopathy (OIR) mice. We sought to establish the relationship between retinal structural and vascular changes using simultaneous FA and spectral domain optical coherence tomography (SD-OCT). METHOD: 63 mice were exposed to 77% oxygen at postnatal day 7 (P7) for 5 days, while 63 mice remained in room air (RA)...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28573046/a-comparative-study-the-use-of-collagen-implant-versus-mitomycin-c-in-combined-trabeculotomy-and-trabeculectomy-for-treatment-of-primary-congenital-glaucoma
#18
Alaa Abdel Sadek Singab, Osama Ali Mohammed, Mohammed Iqbal Hafez Saleem, Mortada Ahmed Abozaid
PURPOSE: To compare Ologen implant versus mitomycin-C (MMC) in combined trabeculotomy and trabeculectomy as a treatment of primary congenital glaucoma. SETTING: Sohag University Hospital, Egypt. DESIGN: A prospective comparative study. METHODS: Thirty-four eyes of twenty-one patients with primary congenital glaucoma were included in this study. All patients were subjected to preoperative evaluation including complete anterior segment examination under general anesthesia...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28567305/characterization-of-ex-vivo-expanded-oral-mucosal-epithelium-cells-on-acellular-porcine-corneal-stroma-for-ocular-surface-reconstruction
#19
Jia-Song Wang, Hua-Tao Xie, Ming-Chang Zhang
PURPOSE: To ex vivo expand oral mucosal epithelium cells (OMECs) on acellular porcine corneal stroma (APCS) without using feeder cells and serum and to compare the morphologic and phenotypic characteristics of cultured oral cells on APCS to those of cells on deluded human amniotic membrane (HAM). METHODS: SD rat oral mucosal biopsies were cultured on APCS and HAM. Reverse-transcription polymerase chain reaction (RT-PCR) and immunohistochemistry were used to analyze the characterization of stem cells and epithelial differentiation of the outgrowth products...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28553551/glaucomatous-optic-nerve-changes-and-thyroid-dysfunction-in-an-urban-south-korean-population
#20
Yu Sam Won, Da Yeong Kim, Joon Mo Kim
Purpose. This study was performed to evaluate the relationship between intraocular pressure (IOP) and glaucomatous optic nerve change and thyroid factors in Korean population. Materials and Methods. The study included subjects who underwent health screening in Kangbuk Samsung Hospital. Detailed history taking and systemic and ocular examination including fundus photography were performed for all participants. All fundus photographs were divided into two groups based on disc and RNFL appearance: nonglaucoma and glaucoma group...
2017: Journal of Ophthalmology
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