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Subcapsular cataract

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https://www.readbyqxmd.com/read/29770639/effect-of-cataract-grade-according-to-wide-field-fundus-images-on-measurement-of-macular-thickness-in-cataract-patients
#1
Mingue Kim, Youngsub Eom, Jong Suk Song, Hyo Myung Kim
PURPOSE: To investigate the effects of cataract grade based on wide-field fundus imaging on macular thickness measured by spectral domain optical coherence tomography (SD-OCT) and its signal-to-noise ratio (SNR). METHODS: Two hundred cataract patients (200 eyes) with preoperative measurements by wide-field fundus imaging and macular SD-OCT were enrolled. Cataract severity was graded from 1 to 4 according to the degree of macular obscuring by cataract artifact in fundus photo images...
May 15, 2018: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/29755825/bilateral-asymmetric-rhegmatogenous-retinal-detachment-in-a-patient-with-stickler-syndrome
#2
Caner Öztürk, Almila Sarıgül Sezenöz, Gürsel Yılmaz, İmren Akkoyun
Here we present the long-term anatomical and visual outcomes of bilateral asymmetric rhegmatogenous retinal detachment repair in a patient with Stickler syndrome. A 17-year-old girl presented with decreased visual acuity in both eyes for more than one year. Her best-corrected visual acuity (BCVA) was 0.1 in the right eye and 0.05 in the left eye. Slit-lamp anterior segment examination revealed subcapsular cataract in both eyes. Fundus examination showed bilateral rhegmatogenous retinal detachment, chronic retinal detachment accompanied by multiple retinal holes, tears and membranous fibrillary vitreous in the peripheral retina...
April 2018: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/29705099/ultraviolet-radiation-exposure-triggers-neurokinin-1-receptor-upregulation-in-ocular-tissues-in-vivo
#3
Janine Gross, Alfred R Wegener, Martin Kronschlaeger, Frank G Holz, Carl-Ludwig Schönfeld, Linda M Meyer
The purpose of this study was to investigate the neurokinin receptor-1 (NKR-1) protein expression in ocular tissues before and after supra-cataract threshold ultraviolet radiation (UVR-B peak at 312 nm) exposure in vivo in a mouse model. Six-week-old C57Bl/6 mice were unilaterally exposed to a single (2.9 kJ/m2 ) and an above 3-fold UVR-B cataract threshold dose (9.4 kJ/m2 ) of UVR. UVR-exposure (λpeak = 312 nm) was performed in mydriasis using a Bio-Spectra exposure system. After latency periods of 3 and 7 days, eyes were fixed in 4% paraformaldehyde, embedded in paraffin, sectioned and stained with fluorescence coupled antibody for NKR-1 and DAPI for cell nuclei staining...
April 26, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29682903/cataract-frequency-and-subtypes-involved-in-workers-assessed-for-their-solar-radiation-exposure-a-systematic-review
#4
REVIEW
Alberto Modenese, Fabriziomaria Gobba
Cataract is currently the primary cause of blindness worldwide, and one of its main risk factors is solar ultraviolet radiation exposure. According to the localization of lens opacities, three main subtypes of cataract are recognized: nuclear, cortical and posterior subcapsular cataract. One of the main determinants of individual long-term solar radiation exposure is outdoor work. We systematically reviewed scientific literature from the last 20 years to update the recent development of research on the risk of cataract in outdoor workers and on the specific subtypes involved, also investigating the methods applied to evaluate the occupational risk...
April 16, 2018: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29626052/association-between-serum-lipids-concentration-and-patients-with-age-related-cataract-in-china-a-cross-sectional-case-control-study
#5
Shengjie Li, Danhui Li, Yudong Zhang, Jisen Teng, Mingxi Shao, Wenjun Cao
OBJECTIVE: Obesity and a high-fat diet have been found to be associated with an increased risk of age-related cataract (ARC). Thus, this study aimed to investigate whether serum lipid levels are associated with the incidence of ARC. DESIGN: Cross-sectional, case-control study. SETTING: EyeandENT Hospital of Fudan University, Shanghai, China. PARTICIPANTS: A total of 219 ARC (male=94, female=125) subjects and 218 (male=110, female=118) normal control subjects were recruited in this study...
April 5, 2018: BMJ Open
https://www.readbyqxmd.com/read/29613981/phacomorphic-angle-closure-following-silicone-oil-tamponade-in-a-pediatric-patient
#6
Victoria C Leung, Simon Fung, Rajeev Muni, Asim Ali
PURPOSE: To report a case of phacomorphic glaucoma following retinal detachment repair with silicone oil in a pediatric patient. STUDY DESIGN: Case report. METHODS: A chart review was conducted at St. Michael's Hospital and The Hospital for Sick Children (Toronto, Canada), where the patient received ophthalmic care from July 28, 2015 onwards. RESULTS: A 14 year-old boy with a history of traumatic retinal detachment and proliferative vitreoretinopathy in the left eye, requiring two pars plana vitrectomies, membrane peel, and silicone oil tamponade, presented with one-day history of decreased vision in the left eye, severe headache, nausea, and vomiting...
April 2, 2018: Journal of Glaucoma
https://www.readbyqxmd.com/read/29575599/comparability-of-subjective-and-objective-measurements-of-nuclear-density-in-cataract-patients
#7
Natalia Y Makhotkina, Tos T J M Berendschot, Frank J H M van den Biggelaar, Alexander R H Weik, Rudy M M A Nuijts
PURPOSE: To evaluate the relationship between subjective and objective measurements of lens density and the energy of phacoemulsification. SETTING: University Eye Clinic, Maastricht University Medical Centre, Maastricht, the Netherlands. DESIGN: Cross-sectional study. METHODS: The study population included 69 patients. Nuclear opalescence (NO) was graded with the Lens Opacities Classification System III (LOCS III). Thereafter, lens density was measured objectively with Scheimpflug imaging, anterior segment optical coherent tomography and spectral fundus reflectometry (SFR)...
March 25, 2018: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29560370/acute-vitreoretinal-trauma-and-inflammation-after-traumatic-brain-injury-in-mice
#8
Lucy P Evans, Elizabeth A Newell, MaryAnn Mahajan, Stephen H Tsang, Polly J Ferguson, Jolonda Mahoney, Christopher D Hue, Edward W Vogel, Barclay Morrison, Ottavio Arancio, Russell Nichols, Alexander G Bassuk, Vinit B Mahajan
Objective: Limited attention has been given to ocular injuries associated with traumatic brain injury (TBI). The retina is an extension of the central nervous system and evaluation of ocular damage may offer a less-invasive approach to gauge TBI severity and response to treatment. We aim to characterize acute changes in the mouse eye after exposure to two different models of TBI to assess the utility of eye damage as a surrogate to brain injury. Methods: A model of blast TBI (bTBI) using a shock tube was compared to a lateral fluid percussion injury model (LFPI) using fluid pressure applied directly to the brain...
March 2018: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/29557836/glaucoma-with-crouzon-syndrome
#9
Abdulaziz Anazi Alshamrani, Sami Al-Shahwan
BACKGROUND: Crouzon syndrome is the most common form of craniosynostosis, and mutations in the fibroblast growth factor receptor 2 and 3 (FGFR2 and FGFR3) genes are implicated in its pathogenesis. OBSERVATION: A 10-year-old female patient with Crouzon syndrome and congenital glaucoma treated with trabeculectomy and ocular hypotensive medications was examined. The patient had proptosis, exposure keratopathy, megalocornea, thin central corneal thickness, a shallow anterior chamber, mild anterior subcapsular cataract, and a cup-to-disc ratio of 0...
March 19, 2018: Journal of Glaucoma
https://www.readbyqxmd.com/read/29554884/the-chinese-catquest-9sf-validation-and-application-in-community-screenings
#10
Zequan Xu, Song Wu, Wenzhe Li, Yan Dou, Qiang Wu
BACKGROUND: The purpose of this study was to validate the Chinese Catquest-9SF questionnaire in community screenings and explore the correlation between Catquest-9SF scores and Lens Opacities Classification System (LOCS) III cataract grading. METHODS: This was a prospective questionnaire validation study. The Catquest-9SF questionnaire was translated into Chinese and was completed by 104 Chinese cataract patients who were diagnosed in community screening. Rasch analysis was used to assess its psychometric properties, and Spearman correlation coefficient was employed to determine the correlation between Catquest-9SF scores and LOCS III cataract grading...
March 20, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29534265/-retinal-astrocytic-hamartoma-in-neurofibromatosis-type-2-metaanalysis-and-a-case-report
#11
Daniela Aneta Starosta, Birgit Lorenz
BACKGROUND: Neurofibromatosis type 2 (NF2) is a genetic condition with an autosomal dominant pattern of inheritance and incomplete penetrance. It is characterized by multiple benign tumors of the central and peripheral nervous system including astrocytomas, ependymomas, meningeomas, and schwannomas, among which bilateral vestibular schwannomas are the most frequent. Among ocular manifestations of NF2, juvenile subcapsular cataract is the most common followed by epiretinal membranes and combined hamartomas of the retina and retinal pigment epithelium...
March 2018: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29532643/x-ray-canary-in-the-cath-lab-posterior-cataracts
#12
EDITORIAL
Tariq Ali Ahmad, IanC Gilchrist
Cataract formation in the posterior subcapsular region of the lens is a lesion highly specific to both high-dose acute radiation exposure and chronic low-dose exposure. Low-dose radiation may not manifest lens changes for several decades after initial exposure. Cardiac catheterization team members need to be educated on, and protected from, this form of radiation injury as its long latency period between exposure and physical damage may acutely reduce the sense of hazard amongst healthcare radiation workers...
March 1, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29498015/enhanced-penetration-for-axial-length-measurement-of-eyes-with-dense-cataracts-using-swept-source-optical-coherence-tomography-a-consecutive-observational-study
#13
Nino Hirnschall, Ralph Varsits, Birgit Doeller, Oliver Findl
INTRODUCTION: The aim of this study was to find cases in which the axial eye length could not be measured with partial coherence interferometry (PCI) technology and to assess if it could be measured using swept source optical coherence tomography (ss-OCT) technology. METHODS: All patients were measured at their pre-assessment visit 1 week prior to cataract surgery using conventional optical biometry (PCI technology, IOLMaster 500, Carl Zeiss Meditec AG, Jena, Germany)...
March 1, 2018: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/29435589/three-dimensional-cataract-crystalline-lens-imaging-with-swept-source-optical-coherence-tomography
#14
Alberto de Castro, Antonio Benito, Silvestre Manzanera, Juan Mompeán, Belén Cañizares, David Martínez, Jose María Marín, Ireneusz Grulkowski, Pablo Artal
Purpose: To image, describe, and characterize different features visible in the crystalline lens of older adults with and without cataract when imaged three-dimensionally with a swept-source optical coherence tomography (SS-OCT) system. Methods: We used a new SS-OCT laboratory prototype designed to enhance the visualization of the crystalline lens and imaged the entire anterior segment of both eyes in two groups of participants: patients scheduled to undergo cataract surgery, n = 17, age range 36 to 91 years old, and volunteers without visual complains, n = 14, age range 20 to 81 years old...
February 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29375991/descemet-stripping-automated-endothelial-keratoplasty-in-phakic-eyes-incision-modification-reducing-cataract-formation
#15
Jacqueline Beltz, Silvana Madi, Yoav Nahum, Paolo Santorum, Massimo Busin
AIM: To evaluate the efficacy of a technical modification to reduce the incidence of traumatic cataract induced by Descemet stripping automated endothelial keratoplasty (DSAEK) performed in phakic eyes. METHODS: A retrospective cohort study. The records of all patients with a clear crystalline lens and endothelial failure that underwent modified DSAEK at our insitution were reviewed. In this modification, in order to avoid inadvertent touch of the insertion forceps against the exposed crystalline lens while passing across the anterior chamber, the incision sites were shifted from the standard 9 and 3 o'clock positions, superiorly to the 10 and 2 o'clock position respectively...
2018: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29366590/-an-iatrogenic-posterior-subcapsular-cataract
#16
E Fevrier, D Martiano
No abstract text is available yet for this article.
February 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29289688/cataract-development-in-children-with-coats-disease-risk-factors-and-outcome
#17
Alejandra Daruich, Alexandre Matet, Francis L Munier
PURPOSE: To describe the clinical features of cataract during the course of Coats disease and to determine its risk factors and effects on the long-term visual outcome. METHODS: The medical records of consecutive patients with Coats disease followed for at least 2 years were analyzed retrospectively. Ophthalmological examination, ancillary tests, and treatment modalities were reviewed. The time of cataract diagnosis and its management were recorded. Parameters influencing cataract development and final visual outcome were investigated using uni- and multivariate analysis...
February 2018: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/29243035/systemic-lupus-erythematosus-and-ocular-involvement-an-overview
#18
REVIEW
Rosanna Dammacco
Systemic lupus erythematosus (SLE) is a multisystem autoimmune disease of undefined etiology and with remarkably heterogeneous clinical features. Virtually any organ system can be affected, including the eye. SLE-related eye involvement can be diagnosed in approximately one-third of the patients and is usually indicative of disease activity. An early diagnosis and the adoption of suitable therapeutic measures are necessary to prevent sight-threatening consequences, especially in patients with juvenile SLE. Periocular lesions, such as eyelid involvement and orbital inflammation, are relatively rare and, in case of orbital masses, may require a biopsy control...
December 14, 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/29237667/posterior-capsular-rupture-and-spontaneous-posterior-dislocation-of-lens-following-electrical-injury
#19
Devesh Kumawat, Karthikeya Ramananda, Pranita Sahay, Atul Kumar
Lenticular changes are often seen following electrical injury. We report an unusual case of electrical injury with late spontaneous posterior dislocation of lens nucleus with intact anterior capsule with ruptured posterior capsule in the right eye and anterior subcapsular cataract in the left eye. The right eye was managed with pars plana vitrectomy with cortical matter removal with multipiece intraocular lens insertion in ciliary sulcus. This report adds posterior capsular rupture and posterior dislocation of lens to the usual ocular complications of electrical injury...
December 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29189944/the-ultrastructural-alterations-in-the-lens-capsule-and-epithelium-in-eyes-with-traumatic-white-cataract
#20
Merve Inanc, Kemal Tekin, Yasemin Ozdamar Erol, Mustafa Fevzi Sargon, Mustafa Koc, Ozlem Budakoglu, Pelin Yılmazbas
PURPOSE: To demonstrate the morphological and physiological characteristics of lens epithelial cells (LECs) in patients with traumatic cataract using transmission electron microscopy (TEM) to further understand penetrating ocular injury-induced cataract morphology and epithelial repair mechanisms involved at a cellular level. METHODS: This is a prospective international study. Sixteen eyes of 16 consecutive patients who were diagnosed as traumatic white cataracts following the anterior lens capsule perforation and 13 eyes of 13 patients with idiopathic posterior subcapsular cataract were included to the study...
November 30, 2017: International Ophthalmology
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