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Ocular hypertension

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https://www.readbyqxmd.com/read/27930778/melanopsin-containing-or-non-melanopsin-containing-retinal-ganglion-cells-response-to-acute-ocular-hypertension-with-or-without-brain-derived-neurotrophic-factor-neuroprotection
#1
Giuseppe Rovere, Francisco M Nadal-Nicolás, Jiawei Wang, Jose M Bernal-Garro, Nuria García-Carrillo, Maria Paz Villegas-Pérez, Marta Agudo-Barriuso, Manuel Vidal-Sanz
Purpose: To analyze the responses of different retinal ganglion cell (RGC) types to acute ocular hypertension (AOH) and intravitreal administration of brain-derived neurotrophic factor (BDNF). Methods: In adult albino rats, the anterior chamber of the left eye was cannulated with a needle connected to a saline container elevated 1½ meters above the eye for 75 minutes. Rats received 12 hours before a 5 μl intravitreal injection containing 5 μg BDNF in 1% albumin PBS or vehicle and were analyzed 3, 7, 14, or 45 days later...
December 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27928389/oculomotor-nerve-palsy-presented-with-isolated-unilateral-ptosis-and-minimal-upgaze-palsy
#2
Canan Togay Işıkay, Busra S Polat
This case with unilateral complete blepharoptosis and slight limitation of upgaze as ocular findings due to midbrain infarction represents an unusual form of intra-axial oculomotor nerve involvement. A 65-year-old man was admitted with acute unilateral ptosis of the left eyelid and gait ataxia. He had chronic hypertension in the medical history. The neurologic examination revealed that he had a complete ptosis of the left eyelid, slight limitation of elevation in the left eye, bilateral dysmetria, and gait ataxia...
April 2016: Neuro-ophthalmology
https://www.readbyqxmd.com/read/27926751/ocular-perfusion-pressure-and-choroidal-thickness-in-early-age-related-macular-degeneration-patients-with-reticular-pseudodrusen
#3
Cheolmin Yun, Jaemoon Ahn, Minjung Kim, Soon-Young Hwang, Seong-Woo Kim, Jaeryung Oh
Purpose: The purpose of this study was to investigate the relationship between the ocular perfusion pressure (OPP) and subfoveal choroidal thickness (CT) in eyes with early age-related macular degeneration (AMD) with or without reticular pseudodrusen (RPD). Methods: We evaluated the clinical history, blood pressure parameters, fundus photography, and optical coherence tomography images of consecutive patients with early AMD. We calculated the mean OPP from blood pressure and intraocular pressure...
December 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27906814/prevalence-and-visual-outcome-of-glaucoma-with-uveitis-in-a-thai-population
#4
Kessara Pathanapitoon, Sarunya Smitharuck, Paradee Kunavisarut, Aniki Rothova
OBJECTIVE: The aim of this study was to report on the prevalence of uveitic secondary glaucoma (USG) and ocular hypertension in patients with uveitis in Thailand, and to identify factors associated with the development of USG and its visual outcome. DESIGN: This is a retrospective cohort study. METHODS: We included 174 consecutive uveitis patients (237 affected eyes) visiting the Ophthalmology Department of Chiang Mai University Hospital, Thailand, from January 2013 to March 2013...
November 30, 2016: Journal of Glaucoma
https://www.readbyqxmd.com/read/27896896/presumed-tuberculous-uveitis-in-non-endemic-country-for-tuberculosis-case-series-from-a-new-zealand-tertiary-uveitis-clinic
#5
Ken K Ng, Mitzi Nisbet, Erika M Damato, Joanne L Sims
BACKGROUND: To describe the clinical spectrum of presumed tuberculous (TB) uveitis in a developed, non-endemic country of high immigrant population. DESIGN: Retrospective review of a consecutive case series. PARTICIPANTS: All 39 patients diagnosed with presumed TB uveitis at the tertiary uveitis service in Auckland from 2007 to 2014. METHODS: Clinical chart review. MAIN OUTCOME MEASURES: Patient demographics, risk factors, ophthalmic manifestations, management and outcome...
November 28, 2016: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/27890826/relevant-variations-and-neuroprotecive-effect-of-hydrogen-sulfide-in-a-rat-glaucoma-model
#6
Shouyue Huang, Ping Huang, Xiaohong Liu, Zhongjing Lin, Jing Wang, Shuo Xu, Lei Guo, Christopher Kai-Shun Leung, Yisheng Zhong
Glaucoma is an irreversible and blinding neurodegenerative disease of the eye, and is characterized by progressive loss of retinal ganglion cells (RGCs). Since endogenous hydrogen sulfide (H2S) was reported to be involved in neurodegeneration in the central nervous system, the authors aimed to develop a chronic ocular hypertension (COH) rat model simulating glaucoma and therein test the H2S level together with the retinal protein expressions of related synthases, and further investigated the effect of exogenous H2S supplement on RGC survival...
November 24, 2016: Neuroscience
https://www.readbyqxmd.com/read/27888559/ten-year-all-cause-mortality-and-its-association-with-vision-among-indigenous-australians-within-central-australia-the-central-australian-ocular-health-study
#7
Ebony Liu, Soo K Ng, Shyalle Kahawita, Nicholas H Andrew, Tim Henderson, Jamie E Craig, John Landers
BACKGROUND: No studies to date have explored the association of vision with mortality in Indigenous Australians. We aimed to determine the 10-year all-cause mortality and its associations among Indigenous Australians living in central Australia. DESIGN: Prospective observational cohort study PARTICIPANTS: 1257 (93.0%) out of 1347 patients from The Central Australian Ocular Health Study, over the age of 40 years, were available for follow up during a 10-year period...
November 26, 2016: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/27882243/glaukos-istent-inject%C3%A2-trabecular-micro-bypass-implantation-associated-with-cataract-surgery-in-patients-with-coexisting-cataract-and-open-angle-glaucoma-or-ocular-hypertension-a-long-term-study
#8
Pedro Arriola-Villalobos, Jose Maria Martinez-de-la-Casa, David Diaz-Valle, Laura Morales-Fernandez, Cristina Fernandez-Perez, Julian Garcia-Feijoo
Purpose. To evaluate the long-term efficacy and safety of the iStent inject device (Glaukos Corporation, Laguna Hills, CA) combined with phacoemulsification in patients with coexistent cataract and open-angle glaucoma or ocular hypertension (OHT). Methods. A prospective, uncontrolled, nonrandomized, interventional case series study was conducted in patients with both mild or moderate open-angle glaucoma or OHT and cataract. Patients underwent cataract surgery along with the implant of two iStent inject devices...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/27881155/selective-laser-trabeculoplasty-for-early-glaucoma-analysis-of-success-predictors-and-adjusted-laser-outcomes-based-on-the-untreated-fellow-eye
#9
Mikael Chun, Carolina P B Gracitelli, Flavio S Lopes, Luis G Biteli, Michele Ushida, Tiago S Prata
BACKGROUND: To identify success predictors and to study the role of the fellow untreated eye as a co-variable for adjustment of intraocular pressure (IOP) outcomes following selective laser trabeculoplasty (SLT) in early open-angle glaucoma (OAG) patients. METHODS: A case series was carried out. Patients with uncontrolled early OAG or ocular hypertension (inadequate IOP control requiring additional treatment) underwent SLT (one single laser session) performed by the same surgeon in a standardized fashion...
November 23, 2016: BMC Ophthalmology
https://www.readbyqxmd.com/read/27878430/short-term-safety-of-dexamethasone-implant-for-treatment-of-macular-edema-due-to-retinal-vein-occlusion-in-eyes-with-glaucoma-or-treated-ocular-hypertension
#10
Sofia Theodoropoulou, Abdallah A Ellabban, Robert L Johnston, Helena Cilliers, Quresh Mohamed, Ahmed B Sallam
PURPOSE: To report the short-term safety of dexamethasone implants to treat macular edema due to retinal vein occlusion (RVO), in eyes with treated glaucoma or ocular hypertension at baseline using an as-needed re-treatment regimen. METHODS: Retrospective clinical database study from two centers using the same electronic medical record system. Extracted data included: intraocular pressure (IOP), visual acuity (VA), central 1 mm retinal thickness (CRT) by optical coherence tomography, phakic status, number of injections, glaucoma treatment, and peri-operative complications...
November 22, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27860477/-ocular-surface-evaluation-in-patients-treated-with-prostaglandin-analogues-considering-preservative-agent
#11
E Mlčáková, P Mlčák, M Karhanová, K Langová, K Marešová
PURPOSE: The aim of this study was to evaluate the ocular surface in patients treated with prostaglandin analogues considering contained preservative agent. METHODS: 60 patients with glaucoma or ocular hypertension treated with prostaglandin analogue monotherapy were enrolled in this observational study. 20 patients with glaucoma suspect or ocular hypertension without local or systemic glaucoma medication formed the control group. Demographic data and medical history were recorded for each participant...
2016: Ceská a Slovenská Oftalmologie
https://www.readbyqxmd.com/read/27858370/intracranial-hypertension-in-cystinosis-is-a-challenge-experience-in-a-children-s-hospital
#12
Nieves Martín-Begué, Silvia Alarcón, Charlotte Wolley-Dod, Luis Enrique Lara, Álvaro Madrid, Paola Cano, Mireia Del Toro, Gema Ariceta
BACKGROUND: Cystinosis is a rare systemic lysosomal disease affecting mainly the kidney and eye. Ocular involvement in cystinosis is universal being the presence of cystine crystals in the cornea a diagnostic criterion and one of the earliest manifestations of the disease. Neuro-ophthalmologic manifestations are considered a rare and late complication in these patients. The aim of this article is to report the unexpectedly high incidence of intracranial hypertension in children with cystinosis at our centre...
November 18, 2016: JIMD Reports
https://www.readbyqxmd.com/read/27857798/not-all-cases-of-nyctalopia-are-benign-unusual-and-serendipitous-presentation-of-arnold-chiari-type-1-malformation-at-a-pediatric-tertiary-care-center
#13
Kailash Chandra Patra, Abhijeet Prakash Kirtane
The Arnold-Chiari Type 1 malformation (CM1) is a rare congenital abnormality characterized by ectopia or caudal herniation of the cerebellar tonsils through the foramen magnum into the cervical spine, resulting in crowding at the craniocervical junction. It seldom presents in childhood with symptoms and a normal neurological examination. More typically, CM1 presents in young adult women with neurological symptoms including a headache, cervical pain, cranial nerve palsies, neurosensory deficit, and ataxia. Ocular manifestations associated with Chiari I include third and sixth cranial nerve paresis and convergence/divergence abnormalities...
July 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/27857487/macular-thickness-assessment-in-patients-with-glaucoma-and-its-correlation-with-visual-fields
#14
Mafalda Mota, Fernando T Vaz, Mário Ramalho, Catarina Pedrosa, Maria Lisboa, Paulo Kaku, Florindo Esperancinha
AIM: To determine the relationship between macular thickness (MT) and visual field (VF) parameters, as well as with changes in the retinal nerve fiber layer (RNFL) thickness in patients with glaucoma and ocular hypertension (OH). MATERIALS AND METHODS: Cross-sectional statistical analysis of spectral domain optical coherence tomography (SD-OCT) compared with several VF parameters (mean defect - MD and loss variance - LV), in a nonrandom sample of 70 eyes from patients with glaucoma or OH...
September 2016: Journal of Current Glaucoma Practice
https://www.readbyqxmd.com/read/27855172/etiology-and-management-of-raised-intraocular-pressure-following-posterior-chamber-phakic-intraocular-lens-implantation-in-myopic-eyes
#15
Sirisha Senthil, Nikhil S Choudhari, Pravin K Vaddavalli, Somasheila Murthy, Jagadesh Reddy, Chandra S Garudadri
AIM: To evaluate the etiology and management of elevated intraocular pressure (IOP) following posterior chamber phakic implantable collamer lens (ICL) surgery. METHODS: Between 2009 and 2015, 638 eyes of 359 subjects with refractive myopia, underwent V4b and V4c (CentraFLOW) model ICL implantation. Ocular hypertension (OHT) was defined as IOP of ≥ 22 mm Hg on two separate occasions and elevated IOP with corresponding optic disc or visual field damage was defined as glaucoma...
2016: PloS One
https://www.readbyqxmd.com/read/27849414/clinical-features-and-complications-of-scleritis-in-chinese-patients
#16
Peizeng Yang, Zi Ye, Jihong Tang, Liping Du, Qingyun Zhou, Jian Qi, Liang Liang, Lili Wu, Chaokui Wang, Mei Xu, Yuan Tian, Aize Kijlstra
PURPOSE: To characterize the clinical features of scleritis in Chinese patients. METHODS: The history, demographics, ocular findings, auxiliary examination findings, complications, systemic diseases and therapeutic effects were analyzed retrospectively. RESULTS: The study included 124 male and 169 female patients with scleritis. Anterior and posterior scleritis were, respectively, found in 243 and 42 patients. The other eight patients had both anterior and posterior involvement...
November 16, 2016: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/27843903/free-floating-pigmented-cysts-in-the-anterior-chamber-causing-ocular-hypertension
#17
Jessica S Maslin, Christopher C Teng, Miguel Materin
PURPOSE: The aim of this study was to describe the clinical and histopathological features of a 36-year-old male with hundreds of recurrent, unilateral, free-floating, pigmented cysts in the anterior chamber causing ocular hypertension. PROCEDURES: The patient was referred to ocular oncology for blurry vision of the right eye and was found to have myriad pigmented, free-floating cysts in the anterior chamber and heavy pigmentation of the angle on gonioscopy. Anterior chamber washout was performed, and the fluid recovered was sent for pathological analysis...
October 2016: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/27843898/nonteratoid-medulloepithelioma-presenting-in-a-78-year-old-male
#18
Christopher K H Burris, Vasilios P Papastefanou, Caroline Thaung, Gordon Hay, Marianne Grantham, Victoria M L Cohen
BACKGROUND: Medulloepithelioma is a rare congenital neoplasm derived from precursors of the nonpigmented ciliary epithelium of the ciliary body. The average patient age at clinical presentation is 3.8 years. CASE PRESENTATION: We present the case of a 78-year-old male with progressive lens subluxation and ocular hypertension who was found to have a ciliary body mass. After enucleation for presumed ciliary body melanoma, histopathology showed a nonteratoid medulloepithelioma...
October 2016: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/27843355/retropupilar-positioning-of-foldable-iris-claw-intraocular-lens-for-correction-of-aphakia-with-no-capsular-support
#19
Mun Yueh Faria, Nuno Pinto Ferreira, Ivo Gama, Joana Medeiros Pinto, Mario Canastro, Manuel Monteiro Grillo
SUMMARY: Iris-claw intraocular lens (ICIOL) for aphakia needs a large 5.4 mm corneal incision for its implantation. The technique needs corneal suture, associated with some postoperative astigmatism. Foldable ICIOL is used in phakic patients undergoing refractive surgery and has the advantage of a sutureless small corneal incision. We report a case of a high myopic patient with dislocated intraocular lens (IOL) and no capsular support. Dislocated IOL with its capsular bag was released with three-port, 23-gauge vitrectomy; placed in the anterior chamber; sliced; and extruded through a 3...
2016: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/27843288/leber-s-hereditary-optic-neuropathy-is-multiorgan-not-mono-organ
#20
REVIEW
Josef Finsterer, Sinda Zarrouk-Mahjoub
Leber's hereditary optic neuropathy (LHON) is a maternally inherited mitochondrial disorder with bilateral loss of central vision primarily due to mitochondrial DNA (mtDNA) mutations in subunits of complex I in the respiratory chain (primary LHON mutations), while other mtDNA mutations can also be causative. Since the first description, it is known that LHON is not restricted to the eyes but is a multisystem disorder additionally involving the central nervous system, ears, endocrinological organs, heart, bone marrow, arteries, kidneys, or the peripheral nervous system...
2016: Clinical Ophthalmology
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