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Ophthalmic Surgery, Lasers & Imaging Retina

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https://read.qxmd.com/read/30768231/multimodal-imaging-of-atypical-acute-syphilitic-posterior-placoid-chorioretinitis-mimicking-a-white-dot-syndrome
#1
S Amal Hussnain, Orly Gal-Or, Armand Daccache, Jeffrey D Klausner, Lawrence Yannuzzi
As rates of infectious syphilis continue to rise in the U.S., it is important to be familiar with known manifestations of ocular syphilis as well as report presentations not previously described in the literature. Here, the authors report a case of a 49-year-old myopic woman presenting with bilateral white dots characteristic of a white dot syndrome; these white dots were not evident on slit-lamp examination and became obvious on fundus autofluorescence. She tested positive and was successfully treated for syphilis...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768230/macular-hole-complicating-familial-exudative-vitreoretinopathy-due-to-lrp5-mutation-in-an-adolescent
#2
Francis L Munier, Alejandra Daruich
A 17-year-old boy, previously diagnosed with familial exudative vitreoretinopathy (FEVR) due to LRP5 mutation, complained of left eye decreased vision. Serial imaging by optical coherence tomography showed vitreomacular traction that progressed to lamellar macular hole (MH), and further evolved to full-thickness MH 3 weeks later. Visual acuity (VA) was 20/200. Pars plana vitrectomy with encircling buckle, internal limiting membrane peeling, and gas tamponade were performed. Three months postoperatively, VA had increased to 20/25 and the MH remained closed...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768229/optical-coherence-tomography-angiography-of-rpgr-associated-retinitis-pigmentosa-suggests-foveal-avascular-zone-is-a-biomarker-for-vision-loss
#3
Peter H Tang, Ruben Jauregui, Stephen H Tsang, Alexander G Bassuk, Vinit B Mahajan
RPGR-associated retinitis pigmentosa (RP) is a progressive disease with retina degeneration. Optical coherence tomography angiography (OCTA) is an imaging technique that provides novel insights. The authors report two affected male siblings who underwent OCTA imaging. The area of the foveal avascular zone (FAZ) was measured. Although the younger sibling exhibited more advanced clinical disease, his visual acuity was superior to his older sibling. OCTA imaging revealed a better preserved FAZ in the younger sibling as the reason for this...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768228/topical-aqueous-suppression-and-closure-of-idiopathic-full-thickness-macular-holes
#4
Daniel Su, Anthony Obeid, Jason Hsu
Hydration of retinal tissue has been proposed as a potential model of macular hole (MH) formation in addition to tractional forces of the vitreous and internal limiting membrane (ILM). Carbonic anhydrase inhibitors have previously been utilized in the treatment of cystoid macular edema in outer retinal diseases. There has been recent interest in the use of topical aqueous suppression as a potential medical therapy for MHs. In this case series, four eyes with small (< 300 μm) full-thickness MHs were treated with topical dorzolamide-timolol for 1 month...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768227/revascularization-after-intravitreal-bevacizumab-and-laser-therapy-of-bilateral-retinal-vascular-occlusions-in-incontinentia-pigmenti-bloch-sulzberger-syndrome
#5
Linda A Cernichiaro-Espinosa, Nimesh A Patel, Mislen S Bauer, Catherin I Negron, Brenda Fallas, Alexander Pogrebniak, Audina M Berrocal
No consensus exists for the treatment of retinopathy in incontinentia pigmenti (IP). Vascular ischemia leads to tractional retinal detachments if untreated. Ultra-widefield fluorescein angiography (FA) is used to follow the vascular status of the retina. A 13-week-old female with IP presented with bilateral retinal vascular occlusions in both eyes. Ultra-widefield FA showed reperfusion after treatment with intravitreal bevacizumab (IVB) and angiography-guided laser to the avascular retina. Anti-vascular endothelial growth factor treatment reduces neovascularization and allows for growth of retinal vessels...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768226/choroidal-vascularity-index-using-swept-source-and-spectral-domain-optical-coherence-tomography-a-comparative-study
#6
Rupesh Agrawal, Sophia Seen, Shiva Vaishnavi, Kiran Kumar Vupparaboina, Abhilash Goud, Mohammed Abdul Rasheed, Jay Chhablani
BACKGROUND AND OBJECTIVE: Choroidal vascularity index (CVI) is a noninvasive tool to assess choroidal structure. The objective of the current study was to compare the CVI measurements on swept-source optical coherence tomography (SS-OCT) and spectral-domain OCT (SD-OCT) scans using the same image binarization protocol. PATIENTS AND METHODS: This prospective study was conducted from July 2016 through January 2017 and involved 54 healthy volunteers at a tertiary referral eye care institute in Southern India...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768225/a-new-suggested-strategy-for-safe-injection-of-ozurdex
#7
Chelsey J Krambeer, Kendall W Wannamaker, Wayne Tie, Sepehr Bahadorani, Julia Singer, Stan Conston, Michael A Singer
BACKGROUND AND OBJECTIVES: Ozurdex intravitreal injection is performed via a patented injection device. However, there is a common misconception among ophthalmologists regarding the relation between the speed of applicator button depression and the speed of pellet injection. PATIENTS AND METHODS: Six dexamethasone intravitreal implants were injected into a calibrated ex vivo water bath. Three of the pellets were injected via rapid compression, whereas the other three implants were injected using a 3-second compression technique...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768224/evaluation-of-abicipar-pegol-an-anti-vegf-darpin-therapeutic-in-patients-with-neovascular-age-related-macular-degeneration-studies-in-japan-and-the-united-states
#8
Derek Kunimoto, Masahito Ohji, Raj K Maturi, Tetsuju Sekiryu, Ying Wang, Grace Pan, Xiao-Yan Li, Susan Schneider
BACKGROUND AND OBJECTIVE: To evaluate comparability of abicipar pegol (abicipar) effects in patients with treatment-naïve neovascular age-related macular degeneration (nAMD) in Japan and the United States. PATIENTS AND METHODS: Phase 2, multicenter, randomized, double-masked, 20-week studies (BAMBOO, Japan; CYPRESS, United States). Patients (n = 25 each study) received three monthly intravitreal injections of abicipar 1 mg or 2 mg or five monthly intravitreal injections of ranibizumab 0...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768223/clinical-features-and-multi-modality-imaging-of-isolated-retinal-astrocytic-hamartoma
#9
Andrew W Stacey, Maria Pefkianaki, Tomas Ilginis, Michael Michaelides, Phill Hykin, Andrew Webster, Anthony T Moore, Mandeep S Sagoo
BACKGROUND AND OBJECTIVE: To identify the clinical and imaging characteristics of isolated retinal astrocytic hamartomas (IRAH). PATIENTS AND METHODS: A case series of eight patients diagnosed with IRAH. RESULTS: The average age at diagnosis was 32 years (range: 9 years to 80 years). After a median follow-up time of 59 months, none of the lesions had demonstrated any change or growth. Fundus fluorescein angiogram identified hyperfluorescence in five of six imaged lesions...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768222/clinicopathologic-correlations-of-retinal-membranes-associated-with-intravitreal-stem-cell-injections
#10
Rehan M Hussain, Sander R Dubovy, Ajay E Kuriyan, Xiao Yi Zhou, Harry W Flynn, Thomas A Albini
The histologic findings of a subretinal band and epiretinal membrane (ERM) excised from two patients who developed retinal detachments (RDs) after non-U.S. Food and Drug Administration-regulated intravitreal "stem cell" injections are reported. Both membranes were composed of fibrocellular tissue that stained positively with Smooth Muscle Actin and Masson's trichrome, consistent with collagenous and smooth muscle composition. CD34 immunostain (for hematopoietic cells) was negative for the subretinal band and minimally positive for the ERM...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768221/a-novel-pathogenic-variant-in-ndp-gene-with-incomplete-penetrance-manifests-as-x-linked-familial-exudative-vitreoretinopathy
#11
Nathan L Scott, Kimberly D Tran, Jonathan F Russell, John W Hinkle, Linda A Cernichiaro-Espinosa, Andreas Lauer, Audina M Berrocal
Familial exudative vitreoretinopathy (FEVR) is a rare hereditary ocular disorder characterized by incomplete or abnormal development of peripheral retinal vasculature. The genes responsible for this disorder are associated with the wingless-related integration site (Wnt) signaling pathway, a critical pathway for the development of normal retinal vasculature. A pathogenic variant in any one of these genes may disrupt retinal vasculogenesis. Furthermore, the type and number of pathogenic variants may influence the severity of disease and clinical course...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768220/argus-ii-retinal-prosthesis-implantation-in-a-patient-with-a-history-of-strabismus-surgery-a-surgical-technique
#12
Ramsudha Narala, Mark S Humayun, Hossein Ameri
BACKGROUND AND OBJECTIVE: The authors describe a modified surgical technique for Argus II retinal prosthesis implantation. PATIENTS AND METHODS: The modified surgical technique was performed in a 43-year-old male with retinitis pigmentosa (RP) who underwent strabismus surgery in that eye at age 8. RESULTS: During Argus II implantation, the lateral rectus (LR) was noted to be 10 mm posterior to its original insertion due to prior strabismus surgery...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768219/the-role-of-proportional-reflux-during-pars-plana-vitrectomy-for-tractional-retinal-detachments
#13
Sahil Jain, Aniruddha Agarwal, Kanika Aggarwal, Vishali Gupta
BACKGROUND AND OBJECTIVE: To discuss the role of proportional reflux hydrodissection (PRH) during pars plana vitrectomy (PPV) in eyes with diabetic tractional retinal detachment (TRD). PATIENTS AND METHODS: In this retrospective study, records of patients with diabetic TRD involving the fovea undergoing PPV with the help of PRH between January 2015 to March 2017 were noted. PRH relies on the Constellation system's proportional reflux feature. The mean age, gender, and pre- and postoperative best-corrected visual acuity (BCVA) were noted...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768218/imaging-of-epiretinal-membranes-using-en-face-widefield-swept-source-optical-coherence-tomography
#14
Elie Motulsky, Fang Zheng, Yingying Shi, José M B Garcia, Giovanni Gregori, Philip J Rosenfeld
BACKGROUND AND OBJECTIVE: Swept-source optical coherence tomography (SS-OCT) imaging was performed on eyes with epiretinal membranes (ERMs), and the extent of the ERMs were compared between the 12 mm × 12 mm scans and the more routine 6 mm × 6 mm field of view (FOV). PATIENTS AND METHODS: Eyes containing ERMs were imaged using a 12 mm × 12 mm SS-OCT scan. En face images derived from vitreoretinal interface (VRI) slabs were reviewed to assess the full extent of the ERM...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768217/analysis-of-patient-reported-barriers-to-diabetic-retinopathy-follow-up
#15
Amanda J Lu, Allison J Chen, Vicky Hwang, Pui Yee Law, Jay M Stewart, Daniel L Chao
BACKGROUND AND OBJECTIVES: Close follow-up of diabetic retinopathy (DR) has been linked to improved visual outcomes. This study elucidates patient-identified barriers to DR follow-up in a diverse urban clinic population. PATIENTS AND METHODS: Patients 18 years of age or older with DR or macular edema were interviewed using a 21-question survey on attitudes and barriers toward care. Univariate and multivariate logistic analysis identified barriers associated with non-compliance to follow-up...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768216/characterization-of-patients-with-geographic-atrophy-in-routine-clinical-practice
#16
Felipe Conti, Michael M Han, Weilin Song, Karen M Wai, Fabiana Q Silva, Rishi P Singh
BACKGROUND AND OBJECTIVE: Geographic atrophy (GA) affects millions of patients with age-related macular degeneration (AMD) worldwide, leading to significant, irreversible visual impairment. This study aims to characterize the visual impairment of patients with GA in a routine clinical practice. PATIENTS AND METHODS: This single-center, cross-sectional study used a novel natural language processing to select 1,045 GA cases utilizing the macula examination records from 19,359 patients with AMD...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768215/quantification-of-retinal-nonperfusion-associated-with-posterior-segment-neovascularization-in-diabetic-retinopathy-using-ultra-widefield-fluorescein-angiography
#17
Sally L Baxter, Aria Ashir, Brian J Nguyen, Eric Nudleman
BACKGROUND AND OBJECTIVE: To quantify the size and location of nonperfusion associated with posterior segment neovascularization (NV) in proliferative diabetic retinopathy (PDR) using ultra-widefield fluorescein angiography. PATIENTS AND METHODS: Cross-sectional study of 18 eyes with PDR. The total image area, areas of nonperfusion, buds of posterior segment neovascularization (either neovascularization of the disc or elsewhere), and the distances from each bud to the nearest area of nonperfusion and to the disc were measured...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768214/high-resolution-retinal-imaging-reveals-preserved-cone-photoreceptor-density-and-choroidal-thickness-in-female-carriers-of-choroideremia
#18
Kai Suzuki, Kiyoko Gocho, Keiichiro Akeo, Sachiko Kikuchi, Daiki Kubota, Satoshi Katagiri, Kaoru Fujinami, Kazushige Tsunoda, Takeshi Iwata, Kunihiko Yamaki, Tsutomu Igarashi, Tadashi Nakano, Hiroshi Takahashi, Takaaki Hayashi, Shuhei Kameya
BACKGROUND AND OBJECTIVE: To characterize the photoreceptors and choroidal morphology of heterozygous female carriers of choroideremia who typically do not have any visual defects but can have severe funduscopic changes. PATIENTS AND METHODS: This was a clinical case series study. Detailed ophthalmic examinations were performed on six female carriers from four families with choroideremia. The subfoveal choroidal thickness (SFCT) was determined by spectral-domain optical coherence tomography (SD-OCT) and the cone photoreceptor density by adaptive optics (AO) retinal imaging...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768213/baseline-ocular-characteristics-of-patients-undergoing-initiation-of-anti-vascular-endothelial-growth-factor-therapy-for-diabetic-macular-edema
#19
Waseem H Ansari, Michael M Han, Siraj Haq, Felipe F Conti, Fabiana Q Silva, Rishi P Singh
BACKGROUND AND OBJECTIVES: Patients with diabetic macular edema (DME) have variable anatomic and visual responses to anti-vascular endothelial growth (VEGF) treatments based on their presenting visual acuity (VA). The aim of study is to report the baseline ocular and imaging characteristics of patients presenting with DME who were treatment-naïve and who initiated anti-VEGF in routine clinical practice. PATIENTS AND METHODS: Single-center, cross-sectional study of 638 patients...
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
https://read.qxmd.com/read/30768212/current-management-of-macular-hole
#20
Sumit Randhir Singh, Seenu M Hariprasad, Raja Narayanan
No abstract text is available yet for this article.
February 1, 2019: Ophthalmic Surgery, Lasers & Imaging Retina
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