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https://www.readbyqxmd.com/read/27902640/minimal-endoillumination-levels-and-display-luminous-emittance-during-three-dimensional-heads-up-vitreoretinal-surgery
#1
Murtaza K Adam, Sarah Thornton, Carl D Regillo, Carl Park, Allen C Ho, Jason Hsu
PURPOSE: To determine minimal endoillumination levels required to perform 3-dimensional heads-up vitreoretinal surgery and to correlate endoillumination levels used for measurements of heads-up display (HUD) luminous emittance. METHODS: Prospective, observational surgical case series of 10 patients undergoing vitreoretinal surgery. Endoillumination levels were set to 40% of maximum output and were decreased at set intervals until the illumination level was 0%. Corresponding luminous emittance (lux) of the HUD was measured 40 cm from the display using a luxmeter (Dr...
November 29, 2016: Retina
https://www.readbyqxmd.com/read/27902639/air-tamponade-combined-with-nonsupine-positioning-in-macular-hole-surgery-for-pseudophakic-eyes
#2
Vegard A Forsaa, Jørgen Krohn
PURPOSE: To investigate the closure rate of primary full-thickness macular hole, following intraocular air tamponade combined with a nonsupine positioning regimen. METHODS: A prospective study of patients with full-thickness macular hole, who underwent pars plana vitrectomy with internal limiting membrane peeling and intraocular air tamponade followed by 3 days of nonsupine positioning. Outcome measures were primary full-thickness macular hole closure and improvement in best-corrected visual acuity after 6 months...
November 29, 2016: Retina
https://www.readbyqxmd.com/read/27902638/the-pathophysiology-of-geographic-atrophy-secondary-to-age-related-macular-degeneration-and-the-complement-pathway-as-a-therapeutic-target
#3
David S Boyer, Ursula Schmidt-Erfurth, Menno van Lookeren Campagne, Erin C Henry, Christopher Brittain
PURPOSE: Geographic atrophy (GA) is an advanced, vision-threatening form of age-related macular degeneration (AMD) affecting approximately five million individuals worldwide. To date, there are no approved therapeutics for GA treatment; however, several are in clinical trials. This review focuses on the pathophysiology of GA, particularly the role of complement cascade dysregulation and emerging therapies targeting the complement cascade. METHODS: Primary literature search on PubMed for GA, complement cascade in age-related macular degeneration...
November 29, 2016: Retina
https://www.readbyqxmd.com/read/27893625/robotic-vitreoretinal-surgery
#4
Roomasa Channa, Iulian Iordachita, James T Handa
PURPOSE: To review the current literature on robotic assistance for ophthalmic surgery, especially vitreoretinal procedures. METHODS: MEDLINE, Embase, and Web of Science databases were searched from inception to August, 2016, for articles relevant to the review topic. Queries included combinations of the terms: robotic eye surgery, ophthalmology, and vitreoretinal. RESULTS: In ophthalmology, proof-of-concept papers have shown the feasibility of performing many delicate anterior segment and vitreoretinal surgical procedures accurately with robotic assistance...
November 23, 2016: Retina
https://www.readbyqxmd.com/read/27893624/prospective-evaluation-of-a-sustained-release-dexamethasone-intravitreal-implant-for-cystoid-macular-edema-in-quiescent-uveitis
#5
Rahul N Khurana, Alok S Bansal, Louis K Chang, James D Palmer, Chengqing Wu, Mark R Wieland
PURPOSE: To investigate dexamethasone intravitreal implant (DEX implant; OZURDEX, Allergan, Inc) in the treatment of uveitic cystoid macular edema that had persisted in the absence of intraocular inflammation. METHODS: In this prospective interventional case series, 10 patients with uveitic cystoid macular edema and quiescent uveitis were treated with dexamethasone intravitreal implant at baseline and evaluated monthly for one year. Patients were retreated whenever cystoid macular edema recurred...
November 23, 2016: Retina
https://www.readbyqxmd.com/read/27893623/efficacy-and-safety-of-intravitreal-conbercept-injections-in-macular-edema-secondary-to-retinal-vein-occlusion
#6
Zuhua Sun, Haiying Zhou, Bing Lin, Xuan Jiao, Yingdong Luo, Feng Zhang, Shanshan Tao, Quan Wu, Zunhong Ke, Xiaoling Liu
PURPOSE: To assess the efficacy and safety of intravitreal conbercept injections in patients with macular edema secondary to retinal vein occlusion (RVO). METHODS: A prospective, Phase II clinical trial was performed on 60 patients with macular edema secondary to RVO. Thirty patients had branch RVO (BRVO) and 30 had central RVO (CRVO). Each patient received intravitreal injections of conbercept monthly up to 3 months, followed by monthly evaluation and injection pro re nata to Month 9...
November 23, 2016: Retina
https://www.readbyqxmd.com/read/27893622/image-quality-and-artifacts-on-optical-coherence-tomography-angiography-comparison-of-pathologic-and-paired-fellow-eyes-in-65-patients-with-unilateral-choroidal-melanoma-treated-with-plaque-radiotherapy
#7
Emil A T Say, Sandor Ferenczy, George N Magrath, Wasim A Samara, Chloe T L Khoo, Carol L Shields
PURPOSE: To study image quality and artifacts seen on optical coherence tomography angiography (OCTA). METHODS: Sixty-five consecutive patients with unilateral posterior uveal melanoma treated with plaque radiotherapy had OCTA during follow-up. Optical coherence tomography angiography was performed on both the affected and fellow eye. Signal strength and frequency of image artifacts on en face images were compared between affected and fellow eyes. RESULTS: A total of 130 eyes in 65 patients were analyzed, the mean age at time of OCTA was 55 years (median: 56, range: 12-81 years), and 39 (39/65, 60%) were female...
November 23, 2016: Retina
https://www.readbyqxmd.com/read/27893621/choroidal-changes-associated-with-serous-macular-detachment-in-eyes-with-staphyloma-dome-shaped-macula-or-tilted-disk-syndrome
#8
Anna C S Tan, Suzanne Yzer, K Bailey Freund, Kunal K Dansingani, Nopasak Phasukkijwatana, David Sarraf
PURPOSE: To study the relationship of choroidal abnormalities with serous retinal detachment (SRD) in eyes with staphyloma, dome-shaped macula, or tilted disk syndrome. METHODS: Group 1, 28 eyes of 20 patients with staphyloma/dome-shaped macula/tilted disk syndrome associated with SRD was compared with Group 2, 30 eyes of 20 patients, with staphyloma/dome-shaped macula/tilted disk syndrome but without SRD. Radial and en-face optical coherence tomography and choroidal analysis were performed...
November 23, 2016: Retina
https://www.readbyqxmd.com/read/27893620/a-modified-iris-suture-technique-for-in-the-bag-intraocular-lens-dislocation
#9
Alexander B Dillon, Jane S Myung, Kathy M Tran, Joseph J Tseng, Kenneth J Wald
No abstract text is available yet for this article.
November 23, 2016: Retina
https://www.readbyqxmd.com/read/27849651/duration-of-prone-positioning-after-macular-hole-surgery-determined-by-swept-source-optical-coherence-tomography
#10
Masahiko Sano, Makoto Inoue, Yuji Itoh, Yoshiyuki Kita, Kazunari Hirota, Takashi Koto, Akito Hirakata
PURPOSE: To compare the closure rate of macular hole closure and duration of the prone positioning after macular hole (MH) surgery with two protocols for halting the prone positioning. METHODS: The authors studied 129 eyes of 125 consecutive patients with MH who had undergone vitrectomy. In 60 eyes of 59 patients, the prone positioning was halted after detecting an MH closure in the swept-source optical coherence tomographic images (SS group). In 69 eyes of 66 patients, the prone position was halted by the surgeon's decision (conventional group)...
November 15, 2016: Retina
https://www.readbyqxmd.com/read/27841849/topical-apraclonidine-reduces-pain-after-intravitreal-injections-a-double-blind-randomized-controlled-trial
#11
Oded Lagstein, Noa Ben-Artzi, Asaf Achiron, Achia Nemet, Maroun Khreish, Elisha Bartov, Zvia Burgansky-Eliash
PURPOSE: To evaluate the efficacy of topical apraclonidine in reducing pain and subconjunctival hemorrhage (SCH) after intravitreal injections (IViT). METHODS: A prospective, randomized, double-blinded study. Thirty-nine patients were examined twice, at each monthly IViT of 1.25 mg/0.05 mL bevacizumab. Patients were randomly assigned to receive either topical apraclonidine 0.5% or placebo to the treated eye, 30 minutes before the first IViT. At their second IViT, the intervention was switched...
November 10, 2016: Retina
https://www.readbyqxmd.com/read/27841848/nondamaging-retinal-laser-therapy-for-treatment-of-central-serous-chorioretinopathy-what-is-the-evidence
#12
Edward H Wood, Peter A Karth, Steven R Sanislo, Darius M Moshfeghi, Daniel V Palanker
PURPOSE: To summarize the literature addressing subthreshold or nondamaging retinal laser therapy (NRT) for central serous chorioretinopathy (CSCR) and to discuss results and trends that provoke further investigation. METHODS: Analysis of current literature evaluating NRT with micropulse or continuous wave lasers for CSCR. RESULTS: Sixteen studies including 398 patients consisted of retrospective case series, prospective nonrandomized interventional case series, and prospective randomized clinical trials...
November 10, 2016: Retina
https://www.readbyqxmd.com/read/27828914/intracameral-air-in-phacovitrectomy-for-maintaining-intraocular-lens-position
#13
Andrew Tye, Michael A Klufas, Colin A McCannel, Tara A McCannel
No abstract text is available yet for this article.
November 8, 2016: Retina
https://www.readbyqxmd.com/read/27828913/long-term-results-of-total-retinectomy-in-cases-with-advanced-proliferative-vitreoretinopathy
#14
Murat Karacorlu, Isil Sayman Muslubas, Mumin Hocaoglu, Serra Arf, Mehmet Giray Ersoz
PURPOSE: To evaluate the long-term results of total retinectomy in patients with rhegmatogenous retinal detachment and severe proliferative vitreoretinopathy. METHODS: Seven eyes of 7 patients had pars plana vitrectomy, with or without pars plana lensectomy, and total retinectomy, with or without silicone oil tamponade, for the management of rhegmatogenous retinal detachment and proliferative vitreoretinopathy (Grade D1-3) after previous complex vitreoretinal surgery procedures...
November 8, 2016: Retina
https://www.readbyqxmd.com/read/27828912/clinical-presentation-and-disease-course-of-usher-syndrome-because-of-mutations-in-myo7a-or-ush2a
#15
Francesco Testa, Paolo Melillo, Crystel Bonnet, Vincenzo Marcelli, Antonella de Benedictis, Raffaella Colucci, Beatrice Gallo, Anne Kurtenbach, Settimio Rossi, Elio Marciano, Alberto Auricchio, Christine Petit, Eberhart Zrenner, Francesca Simonelli
PURPOSE: To evaluate differences in the visual phenotype and natural history of Usher syndrome caused by mutations in MYO7A or USH2A, the most commonly affected genes of Usher syndrome Type I (USH1) and Type II (USH2), respectively. METHODS: Eighty-eight patients with a clinical diagnosis of USH1 (26 patients) or USH2 (62 patients) were retrospectively evaluated. Of these, 48 patients had 2 disease-causing mutations in MYO7A (10 USH1 patients), USH2A (33 USH2 patients), and other USH (5 patients) genes...
November 8, 2016: Retina
https://www.readbyqxmd.com/read/27828911/characterization-and-differentiation-of-polypoidal-choroidal-vasculopathy-using-swept-source-optical-coherence-tomography-angiography
#16
Chui Ming Gemmy Cheung, Yasuo Yanagi, Aditi Mohla, Shu Yen Lee, Ranjana Mathur, Choi Mun Chan, Ian Yeo, Tien Yin Wong
PURPOSE: To determine the correlation and agreement between swept-source optical coherence tomography angiography (SS-OCT-A) with fluorescein angiography (FA), indocyanine green angiography (ICGA) and spectral domain OCT (SD-OCT) in characterizing polypoidal choroidal vasculopathy (PCV) and in differentiating eyes with typical age-related macular degeneration (t-AMD). METHODS: This study included 32 and 54 eyes with t-AMD and PCV, respectively, who underwent SS-OCT-A, SD-OCT, fluorescein angiography, and indocyanine green angiography...
November 8, 2016: Retina
https://www.readbyqxmd.com/read/27828910/different-surgical-modalities-for-management-of-persistent-glaucoma-after-silicone-oil-removal-in-vitrectomized-eyes-one-year-comparative-study
#17
Heba Magdy El-Saied, Mohamad Amr Salah Eddin Abdelhakim
PURPOSE: Aim of this study was to compare outcome of four different surgical modalities for management of persistent glaucoma after silicone oil removal in vitrectomized eyes. METHODS: This is a prospective comparative study, carried out on a cohort of 41 eyes (41 patients). Patients were randomly allocated to Group A (trabeculectomy), Group B (deep sclerectomy), Group C (Ahmed valve), or Group D (Ex-Press Minishunt). Postoperatively, all patients were followed regularly at 1 day, 1 week, 1, 3, and 6 months, and 1 year for intraocular pressure evaluation...
November 8, 2016: Retina
https://www.readbyqxmd.com/read/27828909/incomplete-repair-of-retinal-structure-after-vitrectomy-with-internal-limiting-membrane-peeling
#18
Toshio Hisatomi, Takashi Tachibana, Shoji Notomi, Shunji Nakatake, Kohta Fujiwara, Yusuke Murakami, Yasuhiro Ikeda, Shigeo Yoshida, Hiroshi Enaida, Toshinori Murata, Taiji Sakamoto, Koh-Hei Sonoda, Tatsuro Ishibashi
PURPOSE: To examine retinal changes after vitrectomy with internal limiting membrane (ILM) peeling, we used a cynomolgus monkey model and focused on surgical damages of ILM peeling for long observational period of 3 years. METHODS: Vitrectomy was performed followed by ILM peeling similar to clinical settings in humans. Ultrastructural changes of the retina were investigated by light, transmission, and scanning electron microscopy at 3 months and 3 years after ILM peeling...
November 8, 2016: Retina
https://www.readbyqxmd.com/read/27828908/use-of-a-carbonic-anhydrase-inhibitor-in-x-linked-retinoschisis-effect-on-cystic-appearing-macular-lesions-and-visual-acuity
#19
Paola Andreuzzi, Gerald A Fishman, Robert J Anderson
PURPOSE: To evaluate changes in cystic-appearing macular lesions and visual acuity in patients with X-linked retinoschisis while being treated with a carbonic anhydrase inhibitor. METHODS: A retrospective analysis of 68 eyes from 36 patients between the ages of 5 years and 61 years with X-linked retinoschisis were monitored while on a carbonic anhydrase inhibitor. Macular cystic-appearing lesions were monitored with optical coherence tomography. Snellen visual acuity measurements were converted to logarithm of the minimum angle of resolution equivalent Early Treatment Diabetic Retinopathy Study letters for analysis...
November 8, 2016: Retina
https://www.readbyqxmd.com/read/27828907/correlation-of-microvascular-structures-on-optical-coherence-tomography-angiography-with-visual-acuity-in-retinal-vein-occlusion
#20
Joon-Won Kang, Romi Yoo, Youn Hye Jo, Hyung Chan Kim
PURPOSE: To analyze the correlation of superficial and deep capillary plexuses using optical coherence tomography (OCT) angiography with visual acuity in eyes with retinal vein occlusion (RVO). METHODS: We retrospectively reviewed the medical records of 33 patients with retinal vein occlusion (RVO; branch retinal vein occlusion in 21 patients, central retinal vein occlusion in 11 patients) and included 33 healthy subjects as a control group, who were evaluated by OCT angiography...
November 8, 2016: Retina
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