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Subcapsular cataract

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https://www.readbyqxmd.com/read/27899085/oestradiol-levels-and-superoxide-dismutase-activity-in-age-related-cataract-a-case-control-study
#1
Dragana Škiljić, Staffan Nilsson, Anne Petersen, Jan-Olof Karlsson, Anders Behndig, Lada Kalaboukhova, Madeleine Zetterberg
BACKGROUND: It has been suggested that the higher prevalence of cataract in women is caused by a withdrawal effect of oestrogen at menopause. In vitro studies have demonstrated protection of serum oestradiol (E2) against oxidative stress through upregulation of antioxidant enzymes, including superoxide dismutase (SOD). The purpose of the present study was to investigate E2 levels and SOD erythrocyte activity in patients with age-related cataract. METHODS: The studied subjects consisted of 103 patients with age-related cataract and 22 controls...
November 29, 2016: BMC Ophthalmology
https://www.readbyqxmd.com/read/27881591/vernal-keratoconjunctivitis-culmination-of-management-using-immunosuppression-surgical-and-prosthetic-therapy-over-quarter-century
#2
Shilpa Das, Anand S Pasari, Virender S Sangwan
A 22-year-old male patient presented in 1988 with active vernal keratoconjunctivitis. He was treated with topical mast cell stabilisers and corticosteroids. Chronic inflammation despite topical treatment necessitated oral immunosuppressants. Active disease came under control with this; however, the patient gradually developed limbal stem cell deficiency. He underwent bilateral pannus resection with amniotic membrane transplantation that resulted in improved ocular surface. In 2007, patient was found to have significant bilateral posterior subcapsular cataracts and underwent bilateral cataract surgery with intraocular lens implantation with good visual outcome...
November 23, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27866070/spontaneous-rupture-of-chorioretinal-coloboma-in-an-8-year-old-child-treated-by-temporal-fascia-graft
#3
Hélène Chan, Marie-Noëlle Delyfer, Jacmine Pechmeja, Clémence Andrèbe, Audrey-Elodie Mercier, Cyril Dutheil, Jean-François Korobelnik, Clément Paya
We report the rare case of an 8-year-old boy with spontaneous scleral perforation secondary to an isolated congenital chorioretinal coloboma. Visual acuity was 20/200 and examination revealed severe hypotony with subcapsular cataract, complete exudative retinal detachment, hypotonous optic nerve swelling, and hypotony retinal fold. In the temporal periphery, there was a chorioretinal coloboma with a central full-thickness defect. The scleral defect was successfully treated with an autologous temporalis fascia graft...
November 16, 2016: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/27843234/progressive-keratoconus-retinal-detachment-and-intracorneal-silicone-oil-with-obsessive-compulsive-eye-rubbing
#4
Kartik Panikkar, George Manayath, Revathi Rajaraman, Veerappan Saravanan
An 18-year-old boy with an obsessive-compulsive disorder of eye rubbing presented with forme fruste keratoconus (KC) and posterior subcapsular cataracts. After evaluation, he underwent phacoemulsification in his left eye with intraocular lens implantation. The aggressive eye rubbing, however, aggravated the rapid progression to established KC, and further acute corneal hydrops within 3 months. Within the next 3 months, the eye rubbing precipitated rhegmatogenous retinal detachments (RDs) in both eyes. Furthermore, after undergoing a combined cataract and RD surgery with belt buckling and silicone oil endotamponade in his right eye, the repeated eye rubbing caused extrusion of the implanted silicone oil into the subconjunctival space and within the corneal stroma...
September 2016: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/27801692/histopathology-of-subcapsular-cataract-in-a-patient-with-atopic-dermatitis
#5
Daisy Yao Shu, Keith Ong, Frank J Lovicu
PURPOSE: To report the histopathological features of anterior subcapsular cataract associated with atopic dermatitis. CASE REPORT: A 29-year-old man with atopic dermatitis presented with bilateral anterior subcapsular cataract. After routine cataract surgery, the anterior subcapsular cataractous tissue was obtained as an anterior capsulorhexis flap and prepared as a wholemount for histological analysis. The wholemount consisted of a well-demarcated central grayish-white plaque surrounded by transparent capsule, corroborating the slit-lamp biomicroscopic appearance...
October 31, 2016: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/27738538/neurofibromatosis-type-2-presenting-with-oculomotor-ophthalmoplegia-and-distal-myopathy
#6
Jessica Mani Penny Tevaraj, Evelyn Tai Li Min, Raja Azmi Mohd Noor, Azhany Yaakub, Wan Hazabbah Wan Hitam
Neurofibromatosis type 2 usually presents with bilateral acoustic schwannomas. We highlight the rare presentation of neurofibromatosis initially involving third nerve. A 23-year-old Malay female presented with left eye drooping of the upper lid and limitation of upward movement for 8 years. It was associated with right-sided body weakness, change in voice, and hearing disturbance in the right ear for the past 2 years. On examination, there was mild ptosis and limitation of movement superiorly in the left eye...
2016: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/27704140/rhoa-rock-signaling-regulates-tgf%C3%AE-induced-epithelial-mesenchymal-transition-of-lens-epithelial-cells-through-mrtf-a
#7
Anna Korol, Aftab Taiyab, Judith A West-Mays
Transforming growth factor (TGF)-β-induced epithelial-mesenchymal transition (EMT) leads to the formation of ocular fibrotic pathologies, such as anterior subcapsular cataract and posterior capsule opacification. Remodeling of the actin cytoskeleton, mediated by the Rho family of GTPases, plays a key role in EMT, however, how actin dynamics affect downstream markers of EMT has not been fully determined. Our previous work suggests that myocardin related transcription factor A (MRTF-A), an actin-binding protein, might be an important mediator of TGFβ-induced EMT in lens epithelial cells...
September 29, 2016: Molecular Medicine
https://www.readbyqxmd.com/read/27703255/effects-of-histone-acetylation-on-superoxide-dismutase-1-gene-expression-in-the-pathogenesis-of-senile-cataract
#8
Xianfang Rong, Xiaodi Qiu, Yongxiang Jiang, Dan Li, Jie Xu, Yinglei Zhang, Yi Lu
Histone acetylation plays key roles in gene expression, but its effects on superoxide dismutase 1 (SOD1) expression in senile cataract remains unknown. To address this problem, the study was to investigate the influence of histone acetylation on SOD1 expression and its effects in the pathogenesis of senile cataract. Senile cataract was classified into three types-nuclear cataract (NC), cortical cataract (CC), and posterior subcapsular cataract (SC)-using the Lens Opacities Classification System III. In senile cataracts, SOD1 expression decreased significantly...
October 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27664702/axial-length-measurement-failure-rates-with-biometers-using-swept-source-optical-coherence-tomography-compared-to-partial-coherence-interferometry-and-optical-low-coherence-interferometry
#9
Colm McAlinden, Qinmei Wang, Rongrong Gao, Weiqi Zhao, Ayong Yu, Yu Li, Yan Guo, Jinhai Huang
PURPOSE: To compare a new swept source optical coherence tomography (SS-OCT) based biometer (OA-2000) with the IOLMaster v5.4 (partial coherence interferometry) and Aladdin (optical low-coherence interferometry) biometers in terms of axial length measurement and failure rate in eyes with cataract. DESIGN: Reliability study METHODS: A total of 377 eyes of 210 patients were scanned with the three biometers in a random order. For each biometer, the number of unobtainable axial length measurements was recorded and grouped as per the type and severity of cataract based on the Lens Opacities Classification System III by the same experienced ophthalmologist...
September 21, 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27638315/management-of-traumatic-haemorrhage-in-the-berger-s-space-of-a-4-year-old-child
#10
Stephen Tak-Lun Li, Evan Po-Fat Yiu, Angela Hiu-Yan Wong, John Chun-Ting Yeung, Lester Wang-Hon Yu
We are reporting an unusual case of haemorrhage in the Berger's space after an episode of blunt ocular trauma in an eye of a 4-year-old boy, who enjoyed premorbid normal vision. A secondary posterior subcapsular cataract developed as a complication of the haemorrhage after 6 months of observation. Surgery comprised cataract extraction, removal of a residual retrolenticular haematoma via opening of posterior continuous curvilinear capsulorhexis (CCC), anterior vitrectomy and placement of an intraocular lens...
September 8, 2016: International Ophthalmology
https://www.readbyqxmd.com/read/27610257/a-gel-formulation-containing-a-new-recombinant-form-of-manganese-superoxide-dismutase-a-clinical-experience-based-on-compassionate-use-safety-of-a-case-report
#11
Lucia Grumetto, Antonio Del Prete, Giovanni Ortosecco, Antonella Borrelli, Salvatore Del Prete, Aldo Mancini
Background. We report a case of bilateral posterior subcapsular cataracts (PSCs) in a 24-year-old man with an allergic conjunctivitis history caused by a long-term therapy with glucocorticoids. Case Presentation. The patient showed a visual acuity of 9/10 for both eyes. He followed a therapy with ketotifen and bilastine for four years. During the last six months before our evaluation, he was treated with chloramphenicol and betamethasone, interrupted for onset of cataracts and increased intraocular pressure...
2016: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/27608477/early-onset-steroid-induced-posterior-subcapsular-cataract-in-a-patient-with-common-variable-immunodeficiency-case-reports-and-review-of-literature
#12
H Marefat, H Abolhassani, M Ghareje Daghi, G Azizi, A Aghamohammadi
Purpose. To report early onset steroid induced posterior subcapsular cataract in a case of common variable immunodeficiency. Methods. Case report. Results. Here we report a 14-yearold male of steroid induced bilateral posterior subcapsular cataract in a common variable immunodeficiency patient with damaging mutations in Glutathione reductase gene, leading to hypersensitivity of patient to glucocorticoid (GC) products. Conclusions. In order to reduce the ocular side effects of the GCs there are some advisements, including a complete history, regular examination, GC should be prescribed in minimal dosage and minimal course, and as possible GC-sparing drugs should always be considered...
September 2016: European Annals of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27574177/cataracts-induced-by-neodymium-yttrium-aluminium-garnet-laser-lysis-of-vitreous-floaters
#13
Ellen H Koo, Luis J Haddock, Namita Bhardwaj, Jorge A Fortun
BACKGROUND: Neodymium-yttrium-aluminium-garnet (Nd:YAG) laser vitreolysis has been proposed as a treatment modality for symptomatic vitreous floaters. The purpose of this paper is to report two cases of cataracts associated with posterior capsular compromise, induced by Nd:YAG laser vitreolysis for symptomatic vitreous floaters. METHOD: Case series. RESULTS: Two patients who underwent ND:YAG laser vitreolysis for symptomatic floaters, presented with decline in visual acuity in the treated eye after the laser procedure...
August 29, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27503400/changes-of-visual-field-global-indices-after-cataract-surgery-in-primary-open-angle-glaucoma-patients
#14
Bo Ram Seol, Jin Wook Jeoung, Ki Ho Park
PURPOSE: To determine changes of visual-field (VF) global indices after cataract surgery and the factors associated with the effect of cataracts on those indices in primary open-angle glaucoma (POAG) patients. METHODS: A retrospective chart review of 60 POAG patients who had undergone phacoemulsification and intraocular lens insertion was conducted. All of the patients were evaluated with standard automated perimetry (SAP; 30-2 Swedish interactive threshold algorithm; Carl Zeiss Meditec Inc...
August 8, 2016: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/27491802/lens-opacity-detection-for-serious-posterior-subcapsular-cataract
#15
Wanjun Zhang, Huiqi Li
Cataract leads to visual impairment. Among different types of cataract, posterior subcapsular cataract (PSC) can develop rapidly and surgery is usually needed. An approach to detect PSC opacities in retro-illumination images is proposed. Watershed and Markov random fields (MRF) method are employed to opacities in anterior retro-illumination images. It results in a mixture of PSC, cortical opacities and noise. Then, information in both anterior and posterior retro-illumination images is utilized. Two features are extracted to identify PSC: mean gradient comparison (MGC) between anterior and posterior retro-illumination images, and spatial location...
August 4, 2016: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/27486022/comparative-evaluation-of-outcomes-of-phacoemulsification-in-vitrectomized-eyes-silicone-oil-versus-air-gas-group
#16
Jeewan S Titiyal, Esha Agarwal, Dewang Angmo, Namrata Sharma, Atul Kumar
The purpose of this study is to comparatively evaluate the morphology of cataract, intraoperative and postoperative complications (IPC), and surgical outcomes of phacoemulsification in post 23G vitrectomized eyes in silicone oil versus air/gas group. This prospective interventional clinical study took place in the Dr. RP Centre for Ophthalmic Sciences, AIIMS, New Delhi, India. Eighty-nine eyes of 89 consecutive vitrectomized patients with cataract were included. All underwent phacoemulsification and evaluated for cataract morphology, surgical difficulties, IPC, visual acuity, and specular count...
August 2, 2016: International Ophthalmology
https://www.readbyqxmd.com/read/27484195/muscleblind-like-3-deficit-results-in-a-spectrum-of-age-associated-pathologies-observed-in-myotonic-dystrophy
#17
Jongkyu Choi, Donald M Dixon, Warunee Dansithong, Walid F Abdallah, Kenneth P Roos, Maria C Jordan, Brandon Trac, Han Shin Lee, Lucio Comai, Sita Reddy
Myotonic dystrophy type I (DM1) exhibits distinctive disease specific phenotypes and the accelerated onset of a spectrum of age-associated pathologies. In DM1, dominant effects of expanded CUG repeats result in part from the inactivation of the muscleblind-like (MBNL) proteins. To test the role of MBNL3, we deleted Mbnl3 exon 2 (Mbnl3(ΔE2)) in mice and examined the onset of age-associated diseases over 4 to 13 months of age. Accelerated onset of glucose intolerance with elevated insulin levels, cardiac systole deficits, left ventricle hypertrophy, a predictor of a later onset of heart failure and the development of subcapsular and cortical cataracts is observed in Mbnl3(ΔE2) mice...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27415760/sprouty2-suppresses-epithelial-mesenchymal-transition-of-human-lens-epithelial-cells-through-blockade-of-smad2-and-erk1-2-pathways
#18
Xuhua Tan, Yi Zhu, Chuan Chen, Xiaoyun Chen, Yingyan Qin, Bo Qu, Lixia Luo, Haotian Lin, Mingxing Wu, Weirong Chen, Yizhi Liu
Transforming growth factor β (TGFβ)-induced epithelial-mesenchymal transition (EMT) of lens epithelial cells (LECs) plays a key role in the pathogenesis of anterior subcapsular cataract (ASC) and capsule opacification. In mouse lens, Sprouty2 (Spry2) has a negative regulatory role on TGFβ signaling. However, the regulation of Spry2 during ASC development and how Spry2 modulates TGFβ signaling pathway in human LECs have not been characterized. Here, we demonstrate that Spry2 expression level is decreased in anterior capsule LECs of ASC patients...
2016: PloS One
https://www.readbyqxmd.com/read/27403864/problems-with-large-joints-hip-conditions
#19
Kyle Goerl
A clinically significant cataract is defined as an opacification of the eye lens causing a significant decrease in visual acuity or a functional visual impairment. Age-related cataracts are the leading cause of blindness in the world and one of the most common etiologies of visual impairment in the United States. Consequences can include loss of driving privileges, inability to read or watch television, inability to participate in social activities, and an increased risk of falls. In the United States, cataract surgery is the most commonly performed surgical procedure among older patients...
July 2016: FP Essentials
https://www.readbyqxmd.com/read/27373389/cataract-surgery-in-patients-with-chronic-severe-graft-versus-host-disease
#20
Ankit Shah, Marcony R Santhiago, Edgar M Espana
PURPOSE: To evaluate the surgical outcomes of cataract extraction with phacoemulsification and intraocular lens implantation in patients with severe chronic ocular graft-versus-host disease (GVHD). SETTING: University of South Florida Eye Institute, Tampa, Florida, USA. DESIGN: Retrospective case study. METHODS: A chart review was performed to identify patients with clinically severe, biopsy-proven chronic ocular GVHD who had cataract extraction...
June 2016: Journal of Cataract and Refractive Surgery
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