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Posterior vitreous detachment

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https://www.readbyqxmd.com/read/28732590/cost-utility-of-evaluation-for-posterior-vitreous-detachment-and-prophylaxis-of-retinal-detachment
#1
Nicolas A Yannuzzi, Jonathan S Chang, Gary C Brown, William E Smiddy
PURPOSE: To evaluate the costs and cost-utility of examination for posterior vitreous detachment (PVD) and treatment of associated pathology, and of managing various other peripheral retinal disorders to prevent retinal detachment (RD). DESIGN: A decision analysis model of cost-utility. PARTICIPANTS: There were no participants. METHODS: Published retrospective data on the natural course of PVD, retinal tears, and lattice degeneration were used to quantitate the visual benefits of examination and treatment...
July 18, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28727887/yag-laser-vitreolysis-vs-sham-yag-vitreolysis-for-symptomatic-vitreous-floaters-a-randomized-clinical-trial
#2
Chirag P Shah, Jeffrey S Heier
Importance: Vitreous floaters are common and can worsen visual quality. YAG vitreolysis is an untested treatment for floaters. Objective: To evaluate YAG laser vitreolysis vs sham vitreolysis for symptomatic Weiss ring floaters from posterior vitreous detachment. Design, Setting, and Participants: This single-center, masked, sham-controlled randomized clinical trial was performed from March 25, 2015, to August 3, 2016, in 52 eyes of 52 patients (36 cases and 16 controls) treated at a private ophthalmology practice...
July 20, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28710187/utility-of-microscope-integrated-optical-coherence-tomography-mioct-in-the-treatment-of-myopic-macular-hole-retinal-detachment
#3
Atul Kumar, Prateek Kakkar, Raghav Dinesh Ravani, Ashish Markan
Macular hole-associated retinal detachment in high myopia is described as a final stage in progression of myopic traction maculopathy (MTM).(1â€"3) Shimada et al(4) described the progressive stages of MTM from macular retinoschisis to serous retinal detachment in high myopia. Stage 4 MTM is characterised as disappearance of retinoschisis with progression to retinal detachment due to macular hole formation. It is hypothesised that vitreoschisis and abnormal vitreo-retinal interface create the premacular tangential traction...
July 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28708815/incidence-of-posterior-vitreous-detachment-after-femtosecond-lasik-compared-with-microkeratome-lasik
#4
Moataz Hamed Osman, Noha Mahmoud Khalil, Mohamed-Sameh El-Agha
PURPOSE: To compare the incidence of posterior vitreous detachment (PVD) after femtosecond and microkeratome laser in situ keratomileusis (LASIK). SETTING: Rowad Correction Centre, Cairo, Egypt (a private center affiliated to Cairo University). DESIGN: Prospective, nonrandomized comparative unmasked study. METHODS: The study was conducted at a single laser center. Eligible patients chose between femtosecond and microkeratome LASIK after appropriate counseling...
July 13, 2017: Cornea
https://www.readbyqxmd.com/read/28690534/a-case-of-rhegmatogenous-retinal-detachment-at-late-stage-following-endogenous-bacterial-endophthalmitis
#5
Daisaku Kimura, Takaki Sato, Hiroyuki Suzuki, Ryohsuke Kohmoto, Masanori Fukumoto, Kensuke Tajiri, Takatoshi Kobayashi, Teruyo Kida, Tsunehiko Ikeda
PURPOSE: To report a case of rhegmatogenous retinal detachment in the late stage, despite the fact that it had previously been halted after intravitreal injection of an antimicrobial agent against endogenous bacterial endophthalmitis (EBE). CASE: This study involved a 62-year-old male who had previously been diagnosed with septicemia due to liver abscess and the detection of Klebsiella pneumoniae in a culture of his liver abscess, and who underwent ophthalmic examination after his conjunctival hyperemia had failed to improve...
May 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28665442/a-case-of-endophthalmitis-after-bilateral-medial-rectus-recession
#6
Sagar B Patel, Nikitha Reddy, Robert N Hogan, Jennifer H Cao
A 9-month-old male infant with a history of Down syndrome underwent bilateral medial rectus recession. Two weeks postoperatively, he developed leukocoria of the left eye with a white opacity posterior to the lens, numerous undulations, necrosis, and hemorrhages in the retrolental space. His contralateral eye had white retinal lesions nasally. Ultrasound examination of the left eye showed a funnel retinal detachment, loculated debris, and a small, central, hyperechoic area concerning for calcification. He underwent enucleation because retinoblastoma could not be definitively ruled out...
June 29, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28650951/development-and-progression-of-a-lamellar-macular-hole-with-lamellar-hole-associated-epiretinal-proliferation
#7
Denise Compera, Matteo G Cereda, Ricarda G Schumann, Ferdinando Bottoni
PURPOSE: To describe evolution and progression of a lamellar macular hole (LMH) with "lamellar hole-associated epiretinal proliferation (LHEP)" using spectral-domain optical coherence tomography and fundus autofluorescence. METHODS: Observational case report. RESULTS: We report on a 63-year-old male patient demonstrating a complete history of LMH development with LHEP occurring during a follow-up period of 8 years. Presenting with a normal foveal contour and attached posterior vitreous at first visit, an LMH developed shortly after incomplete posterior vitreous detachment with vitreopapillary adhesion...
June 23, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28635048/prophylactic-chorioretinectomy-for-eye-injuries-with-high-proliferative-vitreoretinopathy-risk
#8
Ferenc Kuhn, Wolfgang Schrader
With its incidence exceeding 60%, proliferative vitreoretinopathy (PVR) remains the most important pathology responsible for loss of vision, even the eyeball, after certain types of severe trauma. In this article, we present results obtained using our novel surgical technique, prophylactic chorioretinectomy (PCR), to prevent the development of PVR. Data on severely injured eyes at high risk for PVR [rupture, posterior laceration, deep-impact intraocular foreign body (IOFB) trauma, perforating injury] were collected prospectively...
June 21, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28625955/experiment-of-vitreous-liquefaction-induced-by-c3f8
#9
Jing Wang, Qiuming Li
To investigate the effect and safety of vitreous liquefaction induced by C3F8 (an inert gas) injected into vitreous cavit of rabbit eyes. 24 rabbits (48 eyes) were randomly divided into four groups, named group A, group B, group C and group D, with 6 rabbits in each group. The right eye in each rabbit was taken as the experimental eye while the left as the control eye. The experimental eyes in group A were injected with 0.1mL disinfectant air; the experimental eyes in group B, group C and group D were all injected with C3F8 0...
January 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28620965/determination-of-retinal-surface-area
#10
Manbir Nagra, Bernard Gilmartin, Ngoc Jade Thai, Nicola S Logan
Previous attempts at determining retinal surface area and surface area of the whole eye have been based upon mathematical calculations derived from retinal photographs, schematic eyes and retinal biopsies of donor eyes. 3-dimensional (3-D) ocular magnetic resonance imaging (MRI) allows a more direct measurement, it can be used to image the eye in vivo, and there is no risk of tissue shrinkage. The primary purpose of this study is to compare, using T2-weighted 3D MRI, retinal surface areas for superior-temporal (ST), inferior-temporal (IT), superior-nasal (SN) and inferior-nasal (IN) retinal quadrants...
June 16, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28587882/combined-vitrectomy-and-glaucoma-drainage-device-implantation-surgical-approach-for-complex-pediatric-glaucomas
#11
Cem Ozgonul, Cagri G Besirli, Brenda L Bohnsack
PURPOSE: To evaluate efficacy of combined vitrectomy with posteriorly-placed glaucoma drainage device (GDD) in lowering intraocular pressure (IOP) in children. PATIENTS AND METHODS: Retrospective case review identified 20 children who underwent vitrectomy with posteriorly-placed GDD with minimal 6-months follow-up. First eye operated on was included. Success was defined as IOP 5-20 mmHg, no additional IOP-lowering surgery or visually-devastating complications. RESULTS: Patients with primary infantile-onset glaucoma (25%), traumatic glaucoma (15%), Peters anomaly (15%), microphthalmia (25%), glaucoma following cataract surgery (10%), microspherophakia (5%), and retinopathy of prematurity (5%) were included...
June 3, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28578309/two-staged-en-bloc-excision-of-a-retinal-haemangioma
#12
Mahima Jhingan, Jay Chhablani, Komal Agarwal, Padmaja Kumari Rani
A 31-year-old man presented to us with diminution of vision in the right eye which he noticed since 10 days, with a visual acuity of hand motions only. On examination, festooned pupil and a complicated cataract were noted with no view of the retina. Ultrasonography of the right eye showed retinal detachment in all quadrants with suspected areas of traction and membranes in the vitreous. Left eye examination revealed a normal anterior and posterior segment. Intraoperatively, he underwent a pars plana lensectomy following which an inferior large retinal haemangioma was noted with dilated and tortuous feeder artery and draining vein...
June 3, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28540056/spontaneous-levitation-of-dropped-nucleus-on-first-post-operative-day
#13
Mayuresh P Naik, Harindersingh Sethi, Anuj Mehta, Abhinav Bhalla, Komal Saluja
A 60-year-old male patient presenting with gradual painless progressive diminution of vision was diagnosed with nuclear sclerosis grade III (LOCS). Intra-operatively, there was a nuclear drop into the vitreous cavity. The patient was left aphakic and was deferred for further vitreoretinal procedure the next day. On first post-op day, the nucleus fragment (of roughly the same size that had dropped into the vitreous) was seen in the anterior chamber. A gentle ultrasonography B-Scan done for posterior segment evaluation was anechoic...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28530080/-cataract-surgery-complications-in-males-treated-with-alpha-1-antagonists-for-benign-prostatic-hyperplasia
#14
REVIEW
Tamar Pedut Kloizman, Raneen Shehadeh Mashour
Intraoperative floppy iris syndrome (IFIS) was first described by Chang and Campbell in 2005. The characteristics of this syndrome include: 1. Floppy iris that billows in reaction to intraocular fluid currents during standard phacoemulsification procedure; 2. Flaccid iris stroma that tends to prolapse through well-constructed surgical incisions; 3. Insufficient pupillary mydriasis despite proper pharmacologic preparation and progressive pupillary constriction during the operation. Surgical procedures with IFIS have since been noted to have an exceptionally high rate of complications, some of which can be vision threatening...
September 2016: Harefuah
https://www.readbyqxmd.com/read/28513500/rescue-vitrectomy-with-blocked-artery-massage-and-bloodletting-for-branch-retinal-artery-occlusion
#15
Chun-Ju Lin, Cheng-Wen Su, Huan-Sheng Chen, Wen-Lu Chen, Jane-Ming Lin, Yi-Yu Tsai
A 61-year-old male suffered from sudden blurred vision and superior visual field defect oculus dexter. His vision was counting fingers at 20 cm. Fundoscopy demonstrated inferior pale retina and a large embolus located at the proximal inferior retinal artery. Branch retinal artery occlusion (BRAO) was diagnosed. Initial paracentesis, topical brimonidine tartrate, oral pentoxifylline, and hyperbaric oxygen therapy were performed but showed limited improvement. Hence, he received 25-gauge vitrectomy, artificial posterior vitreous detachment, blocked retinal artery massage, and bloodletting 5 days after onset...
April 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28508380/-optical-coherence-tomography-in-eyes-with-senile-retinoschisis-sd-oct-versus-ultrasound-examinations-and-assessment-of-the-vitreoretinal-interface
#16
A Bringewatt, S Burzer, N Feucht, M Maier
BACKGROUND: In addition to ocular ultrasonography (US), spectral domain optical coherence tomography (SD-OCT) is available in order to diagnose senile retinoschisis (sRS). SD-OCT also allows for classification of posterior vitreous detachment (PVD) in healthy eyes. OBJECTIVES: Reevaluation of the value and additional benefit of both imaging procedures. SD-OCT-based evaluation of PVD stages in sRS patients. MATERIALS AND METHODS: Diagnostic results of 33 eyes in 26 patients with clinical suspicion of sRS were retrospectively analysed...
May 15, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28506223/case-of-asteroid-hyalosis-that-developed-severely-reduced-vision-after-cataract-surgery
#17
Ryosuke Ochi, Bumpei Sato, Seita Morishita, Yukihiro Imagawa, Masashi Mimura, Masanori Fukumoto, Takaki Sato, Takatoshi Kobayashi, Teruyo Kida, Tsunehiko Ikeda
BACKGROUND: To report our findings in a patient with asteroid hyalosis (AH) who had a severe reduction of his visual acuity following cataract surgery. The vision was improved by vitreous surgery. CASE PRESENTATION: The patient was an 81-year-old man. Following cataract surgery on his left eye, his decimal best-corrected visual acuity (BCVA) was markedly reduced from 0.2 to 0.02. A large number of asteroid bodies (ABs) was observed to be concentrated on the posterior surface of the implanted intraocular lens...
May 15, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28503754/an-unusual-pathological-posterior-vitreous-detachment
#18
Ofira Zloto, Vicktoria Vishnevskia-Dai
No abstract text is available yet for this article.
May 14, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/28494563/-the-clinical-manifestations-and-imaging-characteristics-of-acute-syphilitic-posterior-placoid-chorioretinitis
#19
F Hu, X N Wang, X S Cao, X Y Peng
Objective: To investigate the clinical manifestations and imaging characteristics of acute syphilitic posterior placoid chorioretinitis (ASPPC). Methods: Retrospective study of 10 patients diagnosed ASPPC in the Department of Ophthalmology, Beijing Tongren Hospital from 2011 to 2016, including 6 males (10 eyes involved) and 4 females (8 eyes involved) with an age of (43.4±11.6) years (range, 26-60 years). Their clinical manifestations and imaging characteristics were summarized. Results: All 10 ASPPC patients complained about the reduction of visual acuity, and the majority of them had both eyes involved...
May 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28465833/asymmetric-outcomes-of-type-1-retinopathy-of-prematurity-after-bilateral-intravitreal-ranibizumab-treatment
#20
Qiujing Huang, Qi Zhang, Yu Xu, Xunda Ji, Ping Fei, Jie Peng, Yi-An Li, Peiquan Zhao
Purpose. To present cases with retinopathy of prematurity (ROP), who were treated with intravitreal injection of ranibizumab (IVR) and had unpredictable asymmetric outcomes. Methods. A retrospective review was performed in infants with type 1 ROP and had bilateral IVR (0.25 mg/0.025 mL) as initial treatment. Patients were classified into the asymmetric outcome group and the symmetric outcome group. Results. Eighty-four patients (168 eyes) were included. There were 18 eyes of 9 patients (10.7%) in the asymmetric outcome group and 150 eyes of 75 patients (89...
2017: Journal of Ophthalmology
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