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pigment dispersion syndrome

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https://www.readbyqxmd.com/read/29098100/chronic-central-serous-chorioretinopathy-in-a-patient-with-pigment-dispersion-syndrome-a-possible-correlation
#1
Dimitrios Kourkoutas, George Tsakonas, Aristotelis Karamaounas, Nikolaos Karamaounas
Chronic central serous chorioretinopathy (CSCR) is a progressive chorioretinopathy with widespread atrophic RPE abnormalities and serous retinal detachments (SRDs) present for 6 months or longer. We report a case of CSCR in a 38-year-old patient with Pigment Dispersion Syndrome (PDS). In the presented case of CSCR, the chronic course of the disease may in part be associated with an underlying generalized degenerative dysfunction of the pigmented cells of the eye on grounds of PDS. We suggest that a chronic course of disease may be suspected in the setting of CSCR with concurrent RPE pathology, such as what is found in PDS...
2017: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/29076672/determination-of-association-of-pigmentary-glaucoma-with-pigment-dispersion-syndrome
#2
Imtiaz Ali Shah, Shujaat Ali Shah, Partab Rai Nagdev, Safdar Ali Abbasi, Naeem Ali Abbasi, Safdar Akhtar Katpar
BACKGROUND: Pigment Dispersion Syndrome (PDS) is an autosomal dominant disorder of white males between 20 to 40 years of age characterized by deposition of pigment on the lens, zonules of lens, trabecular meshwork and corneal endothelium (Krukenberg's spindle) in addition to radial, spoke like transillumination defects in the mid peripheral iris. This study was conducted to determine the frequency of occurrence of Pigmentary Glaucoma in patients with Pigment Dispersion Syndrome (PDS)...
July 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29068979/trabeculotomy-ab-interno-with-trabectome-as-surgical-management-for-systemic-fluoroquinolone-induced-pigmentary-glaucoma-a-case-report
#3
Kyle A Den Beste, Constance Okeke
RATIONALE: Bilateral acute iris transillumination (BAIT) is a poorly-understood ocular syndrome in which patients present with acute iridocyclitis and pigmentary dispersion with or without ocular hypertension. The etiology of the disease remains unknown, though recent reports suggest an antecedent upper respiratory tract infection or systemic antibiotic administration may trigger the clinical syndrome. PATIENT CONCERNS: A 55-year-old female was referred for a second opinion regarding her bilateral ocular pain, photophobia, and ocular hypertension...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29050926/-role-of-laser-peripheral-iridotomy-in-pigmentary-glaucoma-and-pigment-dispersion-syndrome-a-review-of-the-literature-french-version
#4
REVIEW
J Buffault, B Leray, A Bouillot, C Baudouin, A Labbé
PURPOSE: Pigment dispersion syndrome (PSD) is characterized by a structural abnormality of the posterior surface of the iris causing contact with the zonular fibers. It can lead to an open-angle glaucoma secondary to pigment dispersion into the trabecular meshwork. Laser peripheral iridotomy (PI) has been proposed as a treatment for pigmentary glaucoma (PG) and pigment dispersion syndrome (PDS) by reducing the dispersion of pigment. The goal of this review was to assess the effects of PI for PSD and PG...
October 16, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28987446/role-of-laser-peripheral-iridotomy-in-pigmentary-glaucoma-and-pigment-dispersion-syndrome-a-review-of-the-literature
#5
REVIEW
A Labbé, J Buffault, B Leray, A Bouillot, C Baudouin
PURPOSE: Pigment dispersion syndrome (PDS) is characterized by a structural abnormality of the posterior surface of the iris causing contact with the zonular fibers. It can lead to an open-angle glaucoma secondary to pigment dispersion into the trabecular meshwork. Laser peripheral iridotomy (PI) has been proposed as a treatment for pigmentary glaucoma (PG) and pigment dispersion syndrome (PDS) by reducing the dispersion of pigment. The goal of this review was to assess the effects of PI for PDS and PG...
November 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28706771/an-unusual-case-of-bilateral-anterior-uveitis-related-to-moxifloxacin-the-first-report-in-latin-america
#6
Carlos M Rangel, M Margarita Parra, Gabriel Frederick, Alejandro Tello, Clara L Varón
Objective: To report a case of bilateral anterior uveitis secondary to oral moxifloxacin. Methods: Case report. Results: A 54-year-old female presented bilateral anterior uveitis following a 10-day course of oral moxifloxacin. She developed a bilateral anterior uveitis associated with pigment dispersion syndrome and iris transillumination. Conclusions: Drug-induced uveitis is one of the causes of anterior uveitis. Uveitis related to fluoroquinolones is a rare entity, there are few cases reported in the literature, this is the first case reported in Latin America...
2017: GMS Ophthalmology Cases
https://www.readbyqxmd.com/read/28671922/a-case-of-bilateral-pigment-dispersion-syndrome-following-many-years-of-uninterrupted-treatment-with-atropine-1-for-bilateral-congenital-cataracts
#7
Corrado Gizzi, Jibran Mohamed-Noriega, Ian Murdoch
PURPOSE: Describe an unusual case of bilateral pigment dispersion syndrome (PDS) following years of uninterrupted treatment with atropine 1% for bilateral congenital cataracts, speculate on potential mechanisms leading to this condition. DESIGN: This is a case report. CASE: A 45-year-old white patient on long-term treatment with atropine 1% ointment since his infancy for bilateral congenital cataracts developed PDS with secondary ocular hypertension...
October 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28603574/central-retinal-vein-occlusion-in-younger-swedish-adults-case-reports-and-review-of-the-literature
#8
Elisabeth Wittström
PURPOSE: To investigate associated systemic diseases, other conditions, visual outcome, ocular complications and treatment in Swedish patients younger than 50 years with central retinal vein occlusion (CRVO) and reviewing the literature. METHODS: Twenty-two patients with CRVO, younger than 50 years, were examined with full-field electroretinography (ERG) within 3 months after a thrombotic event, or were periodically examined and were observed for at least 6 months...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28602325/pigment-dispersion-syndrome-and%C3%A2-pigmentary-glaucoma-after-secondary-sulcus-transscleral-fixation-of-single-piece-foldable%C3%A2-posterior-chamber-intraocular-lenses%C3%A2-in%C3%A2-chinese-aphakic-patients
#9
Nianting Tong, Fuling Liu, Ting Zhang, Liangyu Wang, Zhanyu Zhou, Huimin Gong, Fuxiang Yuan
PURPOSE: To describe secondary pigment dispersion syndrome (PDS) and pigmentary glaucoma after secondary sulcus transscleral fixation of 1-piece hydrophobic acrylic foldable posterior chamber intraocular lenses (PC IOLs) in aphakic patients in a Chinese population. SETTING: Department of Ophthalmology, Qingdao Municipal Hospital, Qingdao, China. DESIGN: Retrospective case series. METHODS: This chart review included eyes that had secondary sulcus transscleral fixation of a 1-piece hydrophobic acrylic foldable PC IOL (Tecnis ZCB00) between March 2011 and March 2014...
May 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28410728/corneal-collagen-crosslinking-and-pigment-dispersion-syndrome
#10
Benjamin R LaHood, Sacha Moore
We describe the case of a keratoconus patient with pigment dispersion syndrome (PDS) who was treated for progressive corneal ectasia with corneal collagen crosslinking (CXL). Pigment dispersion syndrome has been shown to have associated morphologic changes of the corneal endothelium. Corneal CXL has the potential to cause toxicity to the corneal endothelium, and adjacent pigment might increase the likelihood of damage. In this case, the presence of PDS had no detrimental effect on the outcome of treatment, and no complications were observed at 12 months follow-up, indicating that it may be safe to perform corneal CXL in the setting of PDS...
March 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28298869/pigment-dispersion-syndrome-associated-with-spontaneous-subluxation-of-crystalline-lens
#11
Vikas Veerwal, Jawahar Lal Goyal, Parul Jain, Ritu Arora
Pigment dispersion syndrome (PDS) is an ocular condition characterized by a dispersion of iris pigment throughout the eye. This pigment is deposited in a characteristic manner on the corneal endothelium as Krukenberg's spindle, anterior surface of the iris, in the trabecular meshwork, on the lens and zonule and occasionally on the anterior hyaloid face. Even with deposition of pigment on zonular fibers, no zonular weakness, or zonular dehiscence has been reported in these cases. We report a unique case of PDS with bilateral spontaneous subluxation of crystalline lens...
January 2017: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/28182171/early-clinical-features-of-pseudoexfoliation-syndrome-in-anterior-segment-and-gonioscopy-examination
#12
Sirel Gür Güngör, Atilla Bayer, Ahmet Akman, Leyla Asena
OBJECTIVES: To determine the early signs of pseudoexfoliation (PEX) in fellow eyes of cases with unilateral PEX. MATERIALS AND METHODS: Fellow eyes of 34 cases with unilateral PEX were evaluated by slit-lamp and gonioscopy. Findings associated with PEX were recorded. RESULTS: Mean age was 67.8±8.1 years (range 55-86 years). Twenty-five patients (73.5%) had pigmentation in the inferior angle and 23 patients (67.6%) had Sampaolesi's line located on the inferior angle in fellow eyes...
January 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28112127/retropupillary-iris-claw-intraocular-lens-for-the-surgical-correction-of-aphakia-in-cases-with-microspherophakia
#13
Sameh Mosaad Fouda, Mahmoud A Al Aswad, Basem M Ibrahim, Ashraf Bori, Hala K Mattout
PURPOSE: This study aimed to evaluate the safety and efficacy of retropupillary fixation of an iris-claw intraocular lens (IOL; Verisyse polymethyl methacrylate IOL, Abbott Medical Optics [AMO], Netherlands) for the surgical correction of aphakia in microspherophakic eyes without sufficient capsular support. DESIGN: This was a prospective, interventional, noncomparative case series. METHODS: This interventional case series comprised 17 eyes of 9 microspherophakic patients...
December 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27898469/update-on-pigment-dispersion-syndrome-and-pigmentary-glaucoma
#14
REVIEW
Kingsley Okafor, Kateki Vinod, Steven J Gedde
PURPOSE OF REVIEW: The present article reviews the clinical features and pathogenesis of pigment dispersion syndrome and pigmentary glaucoma and provides an update regarding their diagnosis and management. RECENT FINDINGS: Newer imaging modalities including ultrasound biomicroscopy and anterior segment optical coherence tomography facilitate visualization of the iris concavity characteristic of eyes with pigment dispersion syndrome and pigmentary glaucoma. Patients with pigmentary glaucoma may be distinguished from those with other glaucoma types by the presence of typical symptoms, personality type, and patterns of diurnal intraocular pressure fluctuation...
March 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/27259167/molecular-and-clinical-findings-in-patients-with-knobloch-syndrome
#15
Sarah Hull, Gavin Arno, Cristy A Ku, Zhongqi Ge, Naushin Waseem, Aman Chandra, Andrew R Webster, Anthony G Robson, Michel Michaelides, Richard G Weleber, Indran Davagnanam, Rui Chen, Graham E Holder, Mark E Pennesi, Anthony T Moore
IMPORTANCE: Knobloch syndrome is a rare, recessively inherited disorder classically characterized by high myopia, retinal detachment, and occipital encephalocele, but it is now known to have an increasingly variable phenotype. There is a lack of reported electrophysiologic data, and some key clinical features have yet to be described. OBJECTIVE: To expand on current clinical, electrophysiologic, and molecular genetic findings in Knobloch syndrome. DESIGN, SETTING, AND PARTICIPANTS: Twelve patients from 7 families underwent full ophthalmic examination and retinal imaging...
July 1, 2016: JAMA Ophthalmology
https://www.readbyqxmd.com/read/27175994/a-severe-case-of-pigmentary-glaucoma-in-a-child-with-a-family-history-of-pigment-dispersion-syndrome
#16
Vittoria Aragno, Pierre Zeboulon, Christophe Baudouin, Antoine Labbé
PURPOSE: To report a case of severe pigmentary glaucoma (PG) in a 13-year-old boy of a family affected by pigment dispersion syndrome (PDS). PATIENTS AND METHODS: A 13-year-old child was referred to our hospital for severe bilateral glaucoma. A complete ophthalmologic evaluation including refraction, intraocular pressure, central corneal thickness, slit-lamp biomicroscopy, gonioscopy, fundus examination, and ultrasound biomicroscopy was performed. Family members were also examined and a family pedigree was obtained...
August 2016: Journal of Glaucoma
https://www.readbyqxmd.com/read/27095816/the-retina-and-other-light-sensitive-ocular-clocks
#17
REVIEW
Joseph C Besharse, Douglas G McMahon
Ocular clocks, first identified in the retina, are also found in the retinal pigment epithelium (RPE), cornea, and ciliary body. The retina is a complex tissue of many cell types and considerable effort has gone into determining which cell types exhibit clock properties. Current data suggest that photoreceptors as well as inner retinal neurons exhibit clock properties with photoreceptors dominating in nonmammalian vertebrates and inner retinal neurons dominating in mice. However, these differences may in part reflect the choice of circadian output, and it is likely that clock properties are widely dispersed among many retinal cell types...
June 2016: Journal of Biological Rhythms
https://www.readbyqxmd.com/read/26997839/pigment-dispersion-syndrome-progression-to-pigmentary-glaucoma-in-a-latin-american-population
#18
REVIEW
Hector Fernando Gomez Goyeneche, Diana Patricia Hernandez-Mendieta, Diego Andres Rodriguez, Ana Irene Sepulveda, Jose Daniel Toledo
OBJECTIVE: To determine the progression of pigment dispersion syndrome (PDS) into pigmentary glaucoma (PG) in a population at the Central Military Hospital in Bogotá, Colombia. MATERIALS AND METHODS: A retrospective study was conducted, based on a review of medical records of patients with PDS evaluated in the Glaucoma Clinic. Data were collected in a database in excel and subsequently analyzed with the software Statistical Package for the Social Sciences (SPSS), performing Chi-square test analysis and Spearman's rho test...
September 2015: Journal of Current Glaucoma Practice
https://www.readbyqxmd.com/read/26933430/what-s-in-a-gene-pseudoexfoliation-syndrome-and-pigment-dispersion-syndrome-in-the-same-patient
#19
Olya Pokrovskaya, Colm O'Brien
Pseudoexfoliation syndrome (PXS) and pigment dispersion syndrome (PDS) are two of the commonest disorders to produce secondary open-angle glaucoma through trabecular meshwork blockage. Each is a defined clinical entity, and while genetics likely play a significant role in the pathogenesis of both, the specific genes involved appear to be distinct. There is surprisingly little published in the literature regarding the coexistence of PDS and PXS in the same patient. We present the intriguing case of a patient who developed PDS in one eye and PXS in the other...
January 2016: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/26871761/peripheral-iridotomy-for-pigmentary-glaucoma
#20
REVIEW
Manuele Michelessi, Kristina Lindsley
BACKGROUND: Glaucoma is a chronic optic neuropathy characterized by retinal ganglion cell death resulting in damage to the optic nerve head and the retinal nerve fiber layer. Pigment dispersion syndrome is characterized by a structural disturbance in the iris pigment epithelium (the densely pigmented posterior surface of the iris) that leads to dispersion of the pigment and its deposition on various structures within the eye. Pigmentary glaucoma is a specific form of open-angle glaucoma found in patients with pigment dispersion syndrome...
February 12, 2016: Cochrane Database of Systematic Reviews
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