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Ophthalmic Surgery, Lasers & Imaging Retina

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https://www.readbyqxmd.com/read/29927476/clinical-and-oct-findings-in-a-case-of-a-presumed-perfluorooctane-retinal-acute-toxicity
#1
Gonzalo García de Oteyza, Javier Elizalde
Retinal acute toxicity may be produced by several etiologies. Iatrogenic toxicity is one of the most-feared complications related to vitreoretinal surgery. The authors report a case of retinal acute toxicity due to the use of perfluorooctane during an uneventful retinal detachment surgery done elsewhere. The aim of this report is to describe the clinical and optical coherence tomography features of this complication, which unfortunately occurred in more than 100 cases in Spain. [Ophthalmic Surg Lasers Imaging Retina...
June 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29927475/serial-swept-source-optical-coherence-tomography-features-of-gentamicin-macular-toxicity-a-glimpse-into-the-injury-cascade
#2
Umesh Chandra Behera, Arshi Singh, Lubhani Jain, Alisha Desai
The early clinical manifestations of macular infarction secondary to subconjunctival gentamicin (Gentak; Akorn, Lake Forest, IL) use in an aphakic eye were documented sequentially on swept-source optical coherence tomography (OCT) and fundus fluorescein angiography. The first recorded event after drug toxicity was macular detachment, along with disorganization of outer retinal layers in about 12 hours. The changes in inner retinal layers occurred after 36 hours had elapsed. OCT-documented initial damage to outer retinal layers could be due to the susceptibility of first order retinal neurons, followed by subsequent inner retinal layer involvement and ischemia...
June 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29927474/a-case-of-a-ruptured-eyeball-caused-by-high-pressure-water-jets
#3
Shou Oosuka, Takaki Sato, Kensuke Tajiri, Daisaku Kimura, Akiko Takai, Ryohsuke Kohmoto, Masanori Fukumoto, Takatoshi Kobayashi, Teruyo Kida, Tsunehiko Ikeda
To report the case of a ruptured eyeball caused by high-pressure water jets. In this study, the right eye of a 49-year-old male was injured by high-pressure water jets while he was engaged in demolition work. Upon examination, remarkable hyphema and vitreous hemorrhage were observed in the injured eye. After treating the patient's right eye with vitrectomy, in addition to lens subluxation and iridodialysis, retinal detachment was observed at the nasal inferior. The edge of the retinal break was found to be incarcerated into the nasal sclera rupture wounds...
June 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29927473/wnt-spectrum-vitreoretinopathy-masquerading-as-congenital-toxoplasmosis
#4
Natalia F Callaway, Audina M Berrocal
Wnt-spectrum vitreoretinopathies are a group of rare inherited disorders of retinal angiogenesis that include familial exudative vitreoretinopathy/Norrie disease and are most commonly autosomal dominant; however, they can rarely present with other inheritance patterns that are more difficult to diagnose. The authors describe a case of an uncle misdiagnosed as congenital toxoplasmosis for decades and his 2-month-old nephew presenting with bilateral retinal detachments. Genetic analysis revealed an NDP gene mutation in the child and the uncle, as well as heterozygosity of the mother confirming a Wnt-spectrum vitreoretinopathy...
June 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29927472/assessment-of-differences-in-retinal-microvasculature-using-oct-angiography-in-alzheimer-s-disease-a-twin-discordance-report
#5
Dilraj S Grewal, Bryce W Polascik, Gregory C Hoffmeyer, Sharon Fekrat
The authors report the optical coherence tomography angiography (OCTA)-based comparative assessment of the retinal microvasculature in a rare pair of 96-year-old female monozygotic twins discordant for Alzheimer's disease (AD). Using automated mapping of the superficial capillary plexus, the authors observed that the twin with advanced AD had a significantly reduced vessel density and a larger foveal avascular zone in the superficial capillary plexus as well as a thinner choroid compared to the twin who was cognitively normal...
June 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29927471/scleral-transillumination-with-digital-heads-up-display-a-novel-technique-for-visualization-during-vitrectomy-surgery
#6
Bozho Todorich, Maxwell S Stem, Tarek S Hassan, George A Williams, Lisa J Faia
BACKGROUND AND OBJECTIVE: To describe a novel technique of scleral indentation and transillumination for single-surgeon, unassisted vitrectomy and vitreous base shaving enhanced with a digital heads-up display system (NGENUITY 3D Visualization System; Alcon, Fort Worth, TX). PATIENTS AND METHODS: This technique was utilized in six eyes of six patients during vitrectomy surgery for common vitreoretinal surgical diagnoses. In each case, the transillumination was performed with the traditional intraocular light pipe set at 100% power, placed obliquely just posterior to the vitreous base insertion, with or without a transillumination adapter...
June 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29927470/real-world-assessment-of-dexamethasone-intravitreal-implant-in-dme-findings-of-the-prospective-multicenter-reinforce-study
#7
Michael A Singer, Pravin U Dugel, Howard F Fine, Antonio Capone, John Maltman
BACKGROUND AND OBJECTIVE: Dexamethasone intravitreal implant (DEX) (Ozurdex; Allergan plc, Dublin, Ireland) is approved for the treatment of diabetic macular edema (DME). This study assessed the real-world effectiveness, safety, and reinjection interval of DEX in adult patients with DME. PATIENTS AND METHODS: This was a phase 4, prospective, multicenter (18 U.S. sites), observational study. RESULTS: The study population comprised 177 patients (180 eyes; 93...
June 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29927469/risk-factors-for-retinal-redetachment-after-silicone-oil-removal-a-systematic-review-and-meta-analysis
#8
Yueqing He, Shaoxue Zeng, Yunni Zhang, Junjun Zhang
BACKGROUND AND OBJECTIVE: This systematic review and meta-analysis was made to measure risk factors for retinal redetachment (re-RD) after silicone oil removal (SOR) in a quantitative method. PATIENTS AND METHODS: A comprehensive literature review relating to risk factors for re-RD after SOR was conducted before March 2017. Odds ratio (OR) with 95% confidence interval (CI) was calculated after data combination. RESULTS: Sixteen studies were included, and risk factors with significant differences found between the re-RD and control groups are as follows: aphakic eye (OR = 1...
June 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29927468/reproducibility-of-macular-thickness-measurements-in-eyes-affected-by-dry-age-related-macular-degeneration-from-two-different-sd-oct-instruments
#9
Tudor C Tepelus, Amir H Hariri, Siva Balasubramanian, SriniVas R Sadda
BACKGROUND AND OBJECTIVE: To compare macular thickness measurement algorithms of two different spectral-domain optical coherence tomography (SD-OCT) devices in eyes affected by dry age-related macular degeneration (AMD). PATIENTS AND METHODS: Patients with dry AMD and healthy volunteers from the retina clinic of the Doheny Eye Center - UCLA were imaged using two different SD-OCT devices: the RS-3000 Advance (Nidek, Padova, Italy) and the Cirrus HD-OCT (Carl Zeiss Meditec, Dublin, CA)...
June 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29927467/reticular-pseudodrusen-and-thin-choroid-are-associated-with-angioid-streaks
#10
Vinod Kumar
BACKGROUND AND OBJECTIVE: To report the association of angioid streaks in patients with Pseudoxanthoma elasticum (PXE) with reticular pseudodrusen (RPD), thin choroid, and retinal pigment epithelium (RPE) atrophy using swept-source optical coherence tomography (SS-OCT) and short-wave autofluorescence (SWAF). PATIENTS AND METHODS: Retrospective cross-sectional study. Records of consecutive patients with angioid streaks due to PXE, who presented with a decrease of vision due to choroidal neovascularization (CNV), were reviewed for best-corrected visual acuity, color fundus photographs, SS-OCT, SWAF, and red-free images with special emphasis on presence or absence of RPD, subfoveal choroidal thickness (SFCT), and RPE atrophy...
June 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29927466/optical-coherence-tomography-angiography-of-familial-retinal-arteriolar-tortuosity
#11
Audrey Giocanti-Auregan, Alain Gaudric, Frédérique Buffon, Manuele Mine, Corinne Delahaye-Mazza, Salomon Y Cohen, Ali Erginay, Hugues Chabriat, Elisabeth Tournier Lasserve, Valérie Krivosic
BACKGROUND AND OBJECTIVE: To analyze the location of familial retinal arterial tortuosity (fRAT) in the three-dimensional structure of retinal capillaries. PATIENTS AND METHODS: Retrospective observational study. Twelve eyes of six patients (two of whom were brothers) were imaged by optical coherence tomography angiography (OCTA). The data from their ocular and systemic examinations were recorded. RESULTS: OCTA imaging clearly showed increased tortuosity of second- and third-order retinal arteries in all cases, visible in the superficial vascular plexus (SVP) up to the arteriole termination in the capillaries...
June 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29927465/morphological-implications-of-vascular-structures-not-visualized-on-optical-coherence-tomography-angiography-in-retinal-vein-occlusion
#12
Michael J Heiferman, Emma J Griebenow, Manjot K Gill, Amani A Fawzi
BACKGROUND AND OBJECTIVE: Advanced retinal imaging can improve understanding of retinal vein occlusion (RVO) pathology. The authors aimed to characterize the vascular pathology of RVO on en face optical coherence tomography (OCT) and OCT angiography (OCTA). PATIENT AND METHODS: This was a cross-sectional study including 17 eyes with RVO. The authors identified discordance between vasculature on en face OCT and flow on OCTA, which was correlated with structural findings at the corresponding location on OCT B-scans...
June 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29927464/management-of-floaters
#13
Chirag P Shah, Howard F Fine
No abstract text is available yet for this article.
June 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29772051/optical-coherence-tomography-angiography-of-pigmented-paravenous-retinochoroidal-atrophy
#14
Maria Vittoria Cicinelli, Chiara Giuffrè, Alessandro Rabiolo, Maurizio Battaglia Parodi, Francesco Bandello
A 58-year-old man with bilateral pigmented paravenous retinochoroidal atrophy (PPRCA) associated with macular coloboma in the right eye underwent color fundus photography and fundus autofluorescence with the California ultra-widefield retinal imaging system (Optos, Dunfermline, UK), spectral-domain optical coherence tomography (SD-OCT) (Heidelberg Spectralis HRA + OCT; Heidelberg Engineering, Heidelberg, Germany), and en face OCT angiography (OCTA) (AngioPlex, Cirrus HD-OCT 5000; Carl Zeiss Meditec, Dublin, CA)...
May 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29772050/combined-femtosecond-laser-assisted-cataract-surgery-and-small-gauge-pars-plana-vitrectomy-using-different-devices-a-new-trend-for-vitreoretinal-surgery
#15
Bruno de Queiroz Alves, Oswaldo Ferreira Moura Brasil, Cristiano Toesca Espinhosa, Ricardo Miguel Japiassu, Mariana Batista Gonçalves, Otaviano Magalhães Júnior, André Maia, Emmerson Badaró, Paula Serraino, Arturo Alezzandrinni, Mauricio Maia
BACKGROUND AND OBJECTIVE: To report the efficacy, safety, and benefits of femtosecond laser-assisted cataract surgery (FLACS) combined with sutureless 23-gauge pars plana vitrectomy (PPV). PATIENTS AND METHODS: This multicenter, retrospective study evaluated patient records and videos of 43 cases with retinal pathologies and cataract who underwent the combined procedure. RESULTS: In 44.2% and 55.8% of cases, respectively, the LenSx Laser (femtosecond machine; Alcon, Fort Worth, TX) and the Constellation (vitreous cutter; Alcon, Fort Worth, TX), and the Victus (femtosecond machine; Bausch + Lomb, Rochester, NY) and Stellaris PC (vitreous cutter; Bausch + Lomb, Rochester, NY) were used...
May 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29772049/mild-bilateral-hemorrhagic-occlusive-retinal-vasculitis-following-intracameral-vancomycin-administration-in-cataract-surgery
#16
Sruthi Arepalli, Yasha S Modi, Ryan Deasy, Sunil K Srivastava
A patient underwent cataract surgery with prophylactic intracameral vancomycin (Vancocin; Pfizer, New York City, NY) in each eye, 2 weeks apart. Four weeks after, the patient presented with a mild bilateral hemorrhagic occlusive retinal vasculitis (HORV). A systemic work-up was negative for syphilis, toxoplasmosis, Bartonella, tuberculosis, and sarcoidosis. The patient was treated with oral steroids and one intravitreal steroid injection in the left eye. Ten months after presentation, the patient's vasculitis was quiescent...
May 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29772048/palladium-103-brachytherapy-for-choroidal-melanoma-in-a-pregnant-woman
#17
Ekaterina Semenova, Paul T Finger, Nina Kalach, Walter Choi
The authors present a case of a pregnant woman with uveal melanoma treated with plaque brachytherapy. Her calculated fetal radiation dose was significantly below accepted levels. The use of the authors' novel, custom-made lead chin shield further diminished irradiation of the fetus. This patient had uncomplicated treatment course, delivered a healthy child full term, achieved local tumor control, and maintained 20/25 vision at 1-year follow-up. [Ophthalmic Surg Lasers Imaging Retina. 2018;49:364-368.].
May 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29772047/swept-source-oct-angiography-identifies-choroidal-neovascularization-arising-from-a-choroidal-nevus
#18
Abed Namavari, Fang Zheng, Elie H Motulsky, João R de Oliveira Dias, Giovanni Gregori, Philip J Rosenfeld
Swept-source optical coherence tomography angiography (SS-OCTA) was used to diagnose choroidal neovascularization (CNV) arising from a choroidal nevus. A 61-year-old woman initially presented with submacular hemorrhage. She was diagnosed with neovascular age-related macular degeneration (AMD) and received three injections of bevacizumab (Avastin; Genentech, South San Francisco, CA). At a follow-up visit, SS-OCTA showed that the CNV appeared to arise from an adjacent choroidal nevus. This is the first report of using SS-OCTA to diagnose CNV associated with a choroidal nevus masquerading as neovascular AMD...
May 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29772046/bilateral-myelinated-retinal-nerve-fibers-associated-with-bilateral-vitreous-cysts-and-solitary-vasoproliferative-tumor-a-new-syndrome
#19
Nora W Muakkassa, Eric J Schwaber, Nora Laver, Jay S Duker
The authors report a case of a 57-year-old male with high myopia, extensive bilateral myelination of the retinal nerve fiber layer, bilateral vitreous cysts, and a solitary vasoproliferative tumor in the right eye. He underwent pars plana vitrectomy and multiple transpupillary thermotherapy treatments for recurrent vitreous hemorrhages and subretinal exudation from the vasoproliferative tumor. To the authors' knowledge, this is the first description of this constellation of findings and suggests this represents a new syndrome...
May 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29772045/ocular-tolerance-of-contemporary-electronic-display-devices
#20
Andrew J Clark, Paul Yang, Khizer R Khaderi, Andrew A Moshfeghi
Electronic displays have become an integral part of life in the developed world since the revolution of mobile computing a decade ago. With the release of multiple consumer-grade virtual reality (VR) and augmented reality (AR) products in the past 2 years utilizing head-mounted displays (HMDs), as well as the development of low-cost, smartphone-based HMDs, the ability to intimately interact with electronic screens is greater than ever. VR/AR HMDs also place the display at much closer ocular proximity than traditional electronic devices while also isolating the user from the ambient environment to create a "closed" system between the user's eyes and the display...
May 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
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