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Cornea

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https://www.readbyqxmd.com/read/28207433/long-term-clinical-course-in-eyes-with-peters-anomaly
#1
Haruna Yoshikawa, Chie Sotozono, Yoko Ikeda, Kazuhiko Mori, Morio Ueno, Shigeru Kinoshita
PURPOSE: Peters anomaly (PA) is known to be a primary cause of congenital corneal opacity. The aim of this study is to report the long-term clinical course and visual achievement of patients with PA who did not undergo keratoplasty. METHODS: This retrospective study involved 15 eyes of 9 infants with PA less than 5 months of age at initial presentation at the Kyoto Prefectural University of Medicine who were followed up without keratoplasty for more than 6 years after presentation...
February 15, 2017: Cornea
https://www.readbyqxmd.com/read/28207432/spontaneous-canalicular-plug-erosion-after-punctal-plug-placement
#2
Xinxin Zhang, Maya Bitar, Richard M Davis
PURPOSE: To describe a case of keratoconjunctivitis sicca treated with punctal plug placement with the first reported complication of subsequent plug erosion through the canaliculus and extrusion through the lid. METHODS: Punctal plugs were placed in a patient with Sjogren syndrome for treatment of keratoconjunctivitis sicca. More than 12 years later, the plug was noted to have eroded through the canaliculus and extruded through the conjunctiva and lid. RESULTS: The extruded plug was removed, and punctal cautery was performed on 2 other puncta with improved symptom control...
February 15, 2017: Cornea
https://www.readbyqxmd.com/read/28207431/successful-medical-management-of-presumptive-pythium-insidiosum-keratitis
#3
Muralidhar Ramappa, Ritu Nagpal, Savitri Sharma, Sunita Chaurasia
PURPOSE: To describe the previously unreported successful treatment of presumptive Pythium keratitis (PK) with medical therapy alone. METHODS: A 42-year-old female homemaker presented to us with a 15-day history of pain and redness in the right eye after a trivial injury. Her vision was 20/80 at presentation. Slit-lamp biomicroscopy revealed a central, dense and dry-looking, grayish-white infiltrate reaching mid stroma. The infiltrate had feathery margins and was surrounded by multiple tentacle-like lesions and peripherally expanding pinhead-sized subepithelial lesions...
February 15, 2017: Cornea
https://www.readbyqxmd.com/read/28181931/avoiding-complications-associated-with-preloaded-ultrathin-descemet-stripping-automated-endothelial-keratoplasty
#4
Mohit Parekh, Alessandro Ruzza, Bernhard Steger, Colin E Willoughby, Stefano Ferrari, Diego Ponzin, Stephen B Kaye, Vito Romano
No abstract text is available yet for this article.
February 8, 2017: Cornea
https://www.readbyqxmd.com/read/28181930/recurrent-conjunctival-myofibrosarcoma-managed-with-triple-application-of-episcleral-brachytherapy
#5
Sean M Platt, Lynn Schoenfield, Surendra Basti, Paul J Bryar, John R Goldblum, Annapurna Singh, Arun D Singh
PURPOSE: To report a case of recurrent conjunctival myofibrosarcoma treated with wide surgical excision, cryotherapy, and triple sequential applications of episcleral brachytherapy. METHODS: A single case of recurrent conjunctival myofibrosarcoma. RESULTS: A 54-year-old man with a history of a renal transplant presented with a recurrent conjunctival tumor. Histopathologic diagnosis was established through immunohistochemistry. In total, 3 iodine radiation episcleral plaques were used over a period of 49 weeks...
February 8, 2017: Cornea
https://www.readbyqxmd.com/read/28181929/corneal-endothelial-cell-integrity-in-precut-human-donor-corneas-enhanced-by-autocrine-vasoactive-intestinal-peptide
#6
Shay-Whey M Koh, Timothy Coll, Dante Gloria, Nicholas Sprehe
PURPOSE: To demonstrate that vasoactive intestinal peptide (VIP), a corneal endothelial (CE) cell autocrine factor, maintains the integrity of corneal endothelium in human donor corneoscleral explants precut for endothelial keratoplasty. METHODS: Twelve paired human donor corneoscleral explants used as control versus VIP-treated explants (10 nM, 30 minutes, 37°C) were shipped (4°C) to the Lions Eye Institute for Transplantation and Research for precutting (Moria CBM-ALTK Keratome), shipped back to the laboratory, and cultured in ciliary neurotrophic factor (CNTF, 0...
February 8, 2017: Cornea
https://www.readbyqxmd.com/read/28141742/reply
#7
Onsiri Thanathanee, Olan Suwan-Apichon
No abstract text is available yet for this article.
January 27, 2017: Cornea
https://www.readbyqxmd.com/read/28129303/patient-experience-with-office-based-corneal-transplantation
#8
Jack Parker, Marina Krijgsman, Korine van Dijk, Gerrit R J Melles
PURPOSE: To evaluate patient experience with office-based corneal transplantation. METHODS: Five hundred sixty-seven consecutive patients had a corneal transplant in a stand-alone operation unit, ie, a unidirectional flow hood inside a dedicated treatment room in an office setting. Six months postoperatively, all patients received a questionnaire inquiring how they experienced corneal surgery and the operation unit; 354 patients responded to the questionnaire and their answers were scored on a scale of 1 to 5, with higher scores indicating greater satisfaction...
January 26, 2017: Cornea
https://www.readbyqxmd.com/read/28129302/evaluation-and-quality-assessment-of-prestripped-preloaded-descemet-membrane-endothelial-keratoplasty-grafts
#9
Khoa D Tran, Philip K Dye, Kelly Odell, Joshua Galloway, Christopher G Stoeger, Michael D Straiko, Mark A Terry
PURPOSE: To determine graft quality and feasibility of Descemet membrane endothelial keratoplasty (DMEK) grafts that are prestripped and preloaded into injectors by eye bank technicians before shipping to surgeons. METHODS: DMEK grafts (n = 31) were prepared from donor corneas and preloaded into Straiko Modified Jones tubes and set inside viewing chambers filled with 20 mL of Optisol-GS. Preloaded grafts were evaluated using specular microscopy and slit-lamp biomicroscopy...
January 26, 2017: Cornea
https://www.readbyqxmd.com/read/28129301/immunosuppression-as-a-possible-risk-factor-for-interferon-nonresponse-in-ocular-surface-squamous-neoplasia
#10
Noy Ashkenazy, Carol L Karp, Gaofeng Wang, Carolina Mercado Acosta, Anat Galor
PURPOSE: The mechanism by which ocular surface squamous neoplasia (OSSN) responds to topical interferon-alpha-2b (IFNα2b) is not known. We report the cases of 3 immunosuppressed patients whose tumors did not respond to topical IFNα2b therapy. The purpose of this series is to shed light on potential mechanisms of IFNα2b in OSSN. METHODS: Retrospective case series of 3 immunosuppressed patients whose biopsy-proven OSSN did not respond to topical IFNα2b treatment...
January 26, 2017: Cornea
https://www.readbyqxmd.com/read/28129300/multimodal-assessment-of-corneal-thinning-using-optical-coherence-tomography-scheimpflug-imaging-pachymetry-and-slit-lamp-examination
#11
Julius T Oatts, Jeremy D Keenan, Tova Mannis, Tom M Lietman, Jennifer Rose-Nussbaumer
PURPOSE: To assess the relationship between corneal thinning measured by clinician-graded slit-lamp examination compared with ultrasound pachymetry (USP), anterior segment optical coherence tomography (AS-OCT), and the Pentacam. METHODS: Patients with corneal thinning underwent USP, AS-OCT, Pentacam measurements and standardized clinical grading by 2 cornea specialists estimating thinning on slit-lamp examination. Reproducibility of each testing modality was assessed using the intraclass correlation coefficient...
January 26, 2017: Cornea
https://www.readbyqxmd.com/read/28129298/copper-in-keratoconic-corneas
#12
Lubica Dudakova, Cerys J Evans, Petra Liskova
No abstract text is available yet for this article.
January 26, 2017: Cornea
https://www.readbyqxmd.com/read/28129297/toxic-anterior-segment-syndrome-inadvertent-administration-of-intracameral-lidocaine-1-and-phenylephrine-2-5-preserved-with-10-benzalkonium-chloride-during-cataract-surgery
#13
Brett P Bielory, Ayesha Shariff, Rehan M Hussain, Jose Antonio Bermudez-Magner, Sander R Dubovy, Kendall E Donaldson
PURPOSE: To report 3 patients with corneal decompensation and anterior uveitis within 24 hours of cataract surgery from a single ambulatory surgery center using intracameral lidocaine HCl 1% and phenylephrine 2.5% inadvertently preserved with 10% benzalkonium chloride. METHODS: This case series describes 3 patients who underwent traditional cataract extraction with a significant decrease in visual acuity in the immediate postoperative period resulting in secondary surgical intervention for corneal decompensation in 2 patients...
January 26, 2017: Cornea
https://www.readbyqxmd.com/read/28129296/precision-of-epithelial-defect-measurements
#14
Purak C Parikh, Nita G Valikodath, Christopher B Estopinal, Roni M Shtein, Alan Sugar, Leslie M Niziol, Maria A Woodward
PURPOSE: To ensure optimal care of patients, cornea specialists measure corneal features, including epithelial defects (ED), with slit-lamp calipers. However, caliper measurements are subject to interphysician variability. We examined the extent of variability in ED measurements between cornea specialists and discuss the potential clinical impact. METHODS: A total of 48 variably sized EDs were created in pig eyes. Three cornea specialists measured the maximum vertical and horizontal ED lengths to the nearest 10th of a millimeter using slit-lamp microscopy...
January 26, 2017: Cornea
https://www.readbyqxmd.com/read/28129295/asymptomatic-infection-in-decompensated-full-thickness-corneal-grafts-referred-for-repeat-penetrating-keratoplasty
#15
Yoav Nahum, Pia Leon, Benedetta Azzurra Ricci-Filipovic, Davide Camposampiero, Diego Ponzin, Massimo Busin
PURPOSE: We report a case series of asymptomatic infections affecting failed corneal grafts in patients referred for repeat penetrating keratoplasty (PK). METHODS: In this retrospective, noncomparative, interventional case series, we reviewed the medical records of all repeat PK procedures performed at Villa Serena-Villa Igea private Hospitals (Forlì, Italy) between January 2011 and March 2016. Specifically, preoperative and postoperative slit-lamp examinations, and the results of histological and bacteriological examinations, were noted...
January 26, 2017: Cornea
https://www.readbyqxmd.com/read/28129294/boston-type-1-keratoprosthesis-visual-outcomes-device-retention-and-complications
#16
John S Parker, Robert E Morris, David M Rooney, Jack S Parker
No abstract text is available yet for this article.
January 26, 2017: Cornea
https://www.readbyqxmd.com/read/28129293/ocular-surface-epithelial-atypia-mimicking-squamous-neoplasia-in-association-with-ulcerative-colitis
#17
Sally S Ong, Scott D Walter, Xi Chen, Gargi K Vora, Melissa Daluvoy, Alan D Proia, Prithvi Mruthyunjaya
PURPOSE: Inflammatory bowel disease may be associated with extraintestinal manifestations. We report a case of severe reactive epithelial atypia resembling ocular surface squamous neoplasia (OSSN) in a patient with ulcerative colitis (UC). METHODS: Case report. RESULTS: A 32-year-old woman presented with sequential, progressive keratoconjunctival lesions in the left and right eyes, and both lesions were excised. Anterior segment optical coherence tomography demonstrated features similar to OSSN, whereas histological examination revealed severe reactive epithelial atypia mimicking severe dysplasia...
January 26, 2017: Cornea
https://www.readbyqxmd.com/read/28129291/characteristics-of-corneal-astigmatism-of-anterior-and-posterior-surface-in-a-normal-control-group-and-patients-with-keratoconus
#18
Mehdi Shajari, Stefan Friderich, Miad Pour Sadeghian, Ingo Schmack, Thomas Kohnen
PURPOSE: To evaluate and compare power and axis orientation of anterior and posterior astigmatism in eyes with keratoconus with healthy eyes. METHODS: In this retrospective cohort study, we examined 861 eyes of 494 patients diagnosed with keratoconus at the Department of Ophthalmology, University Hospital Frankfurt, and 256 eyes of 256 healthy individuals. Using a Scheimpflug device (Pentacam HR), we measured the magnitude and axis orientation of anterior and posterior corneal astigmatism, corneal thickness, and conus location...
January 26, 2017: Cornea
https://www.readbyqxmd.com/read/28079691/lutein-and-brilliant-blue-based-dye-for-donor-preparation-and-transplantation-in-descemet-membrane-endothelial-keratoplasty
#19
Sebastian Siebelmann, Mario Matthaei, Robert Hörster, Claus Cursiefen, Björn Bachmann
PURPOSE: Trypan blue (TB) is used for visualization of the endothelium-Descemet membrane graft during Descemet membrane endothelial keratoplasty (DMEK). However, TB is assumed to have a dose-dependent toxic effect on the corneal endothelium. We retrospectively compared a lutein/zeaxanthin and Brilliant Blue (LZ/BB)-based dye for preparation and transplantation of the graft in DMEK to TB. METHODS: In 20 patients, a dye composed of 1% LZ /0.025% BB was used, and in 22 patients, 0...
January 11, 2017: Cornea
https://www.readbyqxmd.com/read/28079690/noncontact-evaluation-of-corneal-grafts-swept-source-fourier-domain-oct-versus-high-resolution-scheimpflug-imaging
#20
Eszter Szalai, Gábor Németh, Ziad Hassan, László Módis
PURPOSE: To study the reliability and repeatability of anterior segment measurements in patients who underwent penetrating keratoplasty with swept light source Fourier domain anterior segment optical coherence tomography (SS-OCT) in comparison with a high-resolution Scheimpflug camera. METHODS: Keratometry (K) and elevation data of the anterior and posterior corneal surfaces, central corneal thickness, and anterior chamber depth were determined in 56 postkeratoplasty eyes (mean age: 59...
January 11, 2017: Cornea
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