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Cornea

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https://www.readbyqxmd.com/read/28079694/eventual-endothelial-failure-after-initial-corneal-cleaning-after-a-detached-endothelial-graft-in-fuchs-dystrophy
#1
Takahiko Hayashi, Itaru Oyakawa, Naoko Kato
No abstract text is available yet for this article.
January 11, 2017: Cornea
https://www.readbyqxmd.com/read/28079693/conjunctival-autograft-versus-amniotic-membrane-transplantation-following-double-pterygium-excision-a-randomized-trial
#2
Venkatesh N Prajna, Lumbini Devi, Suganya K Seeniraj, Jeremy D Keenan
No abstract text is available yet for this article.
January 11, 2017: Cornea
https://www.readbyqxmd.com/read/28079692/keratoconus-and-bowman-layer-transplantation
#3
Virgilio Galvis, Alejandro Tello, Néstor I Carreño, Rubén D Berrospi, Camilo A Niño, Félix Leiva
No abstract text is available yet for this article.
January 11, 2017: Cornea
https://www.readbyqxmd.com/read/28079691/lutein-and-brilliant-blue-based-dye-for-donor-preparation-and-transplantation-in-descemet-membrane-endothelial-keratoplasty
#4
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
#5
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
https://www.readbyqxmd.com/read/28079689/scanning-electron-microscope-analysis-of-stromal-surface-regularity-in-dsaek-using-manual-or-automated-microkeratomes-or-dmek
#6
Alberto Villarrubia, Enrique García, Antonio Cano-Ortiz, Alberto Membrillo, Antoni Sabala, Javier Celis, Antoni Salvador, Jorge Solana, Alexandra Arango, Irene Sassot
PURPOSE: To analyze differences in the stromal bed according to the method used to obtain the disc for endothelial transplant with 1) an automated microkeratome for Descemet stripping automated endothelial keratoplasty (DSAEK), 2) homogeneous dissection of Descemet membrane (Descemet membrane endothelial keratoplasty [DMEK]), or 3) a manual microkeratome used for DSAEK. METHODS: We analyzed the stromal bed of 25 consecutive corneas used for endothelial transplantation, divided into 3 groups: 1) 11 samples cut with an automated microkeratome, 2) 5 samples used for DMEK, 3) 9 samples cut with a manual microkeratome...
January 11, 2017: Cornea
https://www.readbyqxmd.com/read/28079688/retrospective-comparative-study-of-topical-interferon-%C3%AE-2b-versus-mitomycin-c-for-primary-ocular-surface-squamous-neoplasia
#7
Rakhi Kusumesh, Anita Ambastha, Shishir Kumar, Bibhuti Prasan Sinha, Nazia Imam
PURPOSE: To compare the efficacy and safety of topical interferon alpha 2b (IFNα2b) and mitomycin C (MMC) for ocular surface squamous neoplasia. METHODS: In this retrospective study, medical records of 51 eyes of 50 patients with a diagnosis of primary ocular surface squamous neoplasia were included. All cases were treated with either topical IFNα2b (1 million IU/mL) or MMC (0.4 mg/mL) 4 times a day. The primary outcome measure was frequency of clinical resolution of tumors along with failure and recurrence rates after treatment...
January 11, 2017: Cornea
https://www.readbyqxmd.com/read/28079687/periocular-amyloidosis-manifesting-as-pseudopemphigoid-treated-with-mitomycin-c
#8
Kaveh Vahdani, Vladimir T Thaller, Giorgio Albanese, Andrew F Dean
PURPOSE: To describe an unusual cicatrizing manifestation of periocular amyloid and the utility of adjuvant antimetabolite therapy. METHODS: This is a case report of a 49-year old woman with progressive bilateral upper lid ptosis, who was found to have bilateral inferior forniceal masses with thickening of the conjunctiva. Conjunctival and eyelid biopsies showed evidence of amyloid deposition. Systemic evaluation did not reveal any evidence of systemic amyloidosis...
January 11, 2017: Cornea
https://www.readbyqxmd.com/read/28079686/number-of-bacteria-and-time-of-coincubation-with-bacteria-required-for-the-development-of-acanthamoeba-keratitis
#9
Hayate Nakagawa, Takaaki Hattori, Naohito Koike, Tomoko Ehara, Akitomo Narimatsu, Shigeto Kumakura, Tetsuya Matsumoto, Hiroshi Goto
PURPOSE: We hypothesized that bacteria may be a factor contributing to the development of Acanthamoeba keratitis (AK). We investigated interactions between Acanthamoeba and Pseudomonas aeruginosa for the development of keratitis in rabbit corneas. METHODS: Acanthamoeba castellanii (ATCC50492) and P. aeruginosa (PAO-1) were used. Two densities of P. aeruginosa (high, 1 × 10/mL; low, 3 × 10/mL) and 2 durations of coincubation (long, 6 h; short, 2 h) of Acanthamoeba with 1 × 10/mL of P...
January 11, 2017: Cornea
https://www.readbyqxmd.com/read/28079685/asymmetric-deep-stromal-keratopathy-in-a-patient-with-multiple-myeloma
#10
Laurel T Tainsh, Patrick A Coady, John H Sinard, Natalia Neparidze, Seth W Meskin, Ron A Adelman, Jessica Chow
PURPOSE: To report a case of asymmetric deep stromal keratopathy in a patient with multiple myeloma. METHODS: Case report and literature review. RESULTS: An 85-year-old woman was found to have progressive visually significant left-sided deep stromal opacity in the setting of monoclonal gammopathy. Hematologic workup resulted in a diagnosis of IgG kappa multiple myeloma. Histopathology was significant for semicrystalline deposits in the posterior stroma...
January 11, 2017: Cornea
https://www.readbyqxmd.com/read/28079684/the-cif-virulence-factor-gene-is-present-in-isolates-from-patients-with-pseudomonas-aeruginosa-keratitis
#11
Christopher D Bahl, Jessica D St Laurent, R Siva Ganesa Karthikeyan, J Lakshmi Priya, Lalitha Prajna, Michael E Zegans, Dean R Madden
PURPOSE: To determine whether the cif gene is present in pathogenic Pseudomonas aeruginosa isolates from patients with bacterial keratitis at Aravind Eye Hospital, a referral eye care center in southern India, and from corresponding environmental isolates. METHODS: Polymerase chain reaction amplification was performed on strains of P. aeruginosa isolated from ocular infections and environmental soil samples were collected from the area surrounding Aravind Eye Hospital...
January 11, 2017: Cornea
https://www.readbyqxmd.com/read/28079683/factors-associated-with-graft-detachment-after-primary-descemet-stripping-automated-endothelial-keratoplasty
#12
Yoav Nahum, Pia Leon, Michael Mimouni, Massimo Busin
PURPOSE: To identify risk factors associated with postoperative graft detachment after Descemet stripping automated endothelial keratoplasty (DSAEK). METHODS: In this retrospective institutional cohort study, the study group included all consecutive eyes that underwent primary DSAEK between January 2005 and October 2015 at Villa Serena-Villa Igea private hospitals (Forlì, Italy) and developed postoperative graft detachment (n = 45). The control group included all eyes that underwent primary DSAEK during the same period and did not develop graft detachment (n = 1167)...
January 11, 2017: Cornea
https://www.readbyqxmd.com/read/28098660/to-the-editor
#13
Tara Bryant, Hyunjoo J Lee
No abstract text is available yet for this article.
January 4, 2017: Cornea
https://www.readbyqxmd.com/read/28060029/corneal-densitometry-as-a-tool-to-measure-epithelial-ingrowth-after-laser-in-situ-keratomileusis
#14
Daniel Adran, Louis Vaillancourt, Mona Harissi-Dagher, Jonathan N Kruh, Zeba A Syed, Steven Robinson, Samir Melki
PURPOSE: This study evaluates the correlation between corneal densitometry and epithelial ingrowth (EI) after laser in situ keratomileusis (LASIK). METHODS: Corneal densitometry of 3 patients who developed EI after LASIK was measured with the Oculus Pentacam. Corneal densitometry readings of each patient were obtained preoperatively and postoperatively after ingrowth was discovered. Densitometry was recorded at the central nest of opacity and at the leading edges of EI...
January 4, 2017: Cornea
https://www.readbyqxmd.com/read/28060028/kinetics-of-angiogenic-responses-in-corneal-transplantation
#15
Takenori Inomata, Alireza Mashaghi, Antonio Di Zazzo, Sang-Mok Lee, Homer Chiang, Reza Dana
PURPOSE: To delineate and compare the kinetics of corneal angiogenesis after high-risk (HR) versus low-risk (LR) corneal transplantation. METHODS: In mice, intrastromal sutures were placed in the recipient graft bed 2 weeks before allogeneic transplantation to induce angiogenesis and amplify the risk of graft rejection. Control (LR) graft recipients did not undergo suture placement, and thus the host bed remained avascular at the time of transplantation. Graft hemangiogenesis and opacity scores were evaluated for 8 weeks by slit-lamp biomicroscopy...
January 4, 2017: Cornea
https://www.readbyqxmd.com/read/28060027/advantages-of-anterior-segment-optical-coherence-tomography-evaluation-of-the-kayser-fleischer-ring-in-wilson-disease
#16
Mittanamalli S Sridhar
PURPOSE: To present anterior segment optical coherence tomography (AS-OCT) findings of the Kayser-Fleischer (KF) ring in Wilson disease (WD) and to discuss the potential advantages of evaluating the KF ring by AS-OCT. METHODS: This is a retrospective case series of 7 patients with WD with KF rings seen in our institute during the study period (August 2015 to June 2016). All patients underwent slit-lamp examination of the cornea and AS-OCT (Optovue RTVue Premier)...
January 4, 2017: Cornea
https://www.readbyqxmd.com/read/28060026/exponential-decay-metrics-of-topical-tetracaine-hydrochloride-administration-describe-corneal-anesthesia-properties-mechanistically
#17
Jason Ethington, David Goldmeier, Bruce I Gaynes
PURPOSE: To identify pharmacodynamic (PD) and pharmacokinetic (PK) metrics that aid in mechanistic understanding of dosage considerations for prolonged corneal anesthesia. METHODS: A rabbit model using 0.5% tetracaine hydrochloride was used to induce corneal anesthesia in conjunction with Cochet-Bonnet anesthesiometry. Metrics were derived describing PD-PK parameters of the time-dependent domain of recovery in corneal sensitivity. Curve fitting used a 1-phase exponential dissociation paradigm assuming a 1-compartment PK model...
January 4, 2017: Cornea
https://www.readbyqxmd.com/read/28002113/techniques-for-learning-descemet-membrane-endothelial-keratoplasty-for-eyes-of-asian-patients-with-shallow-anterior-chamber
#18
Takahiko Hayashi, Itaru Oyakawa, Naoko Kato
PURPOSE: To describe several essential surgical techniques that overcome difficulties in performing Descemet membrane endothelial keratoplasty (DMEK) for inexperienced surgeons, especially those who perform DMEK on eyes of Asian patients. METHODS: Nine eyes of 9 Asian patients with bullous keratopathy who underwent DMEK were analyzed retrospectively. All patients were given a diuretic such as D-mannitol or acetazolamide shortly before surgery, with retrobulbar anesthesia and a Nadbath facial nerve block...
January 4, 2017: Cornea
https://www.readbyqxmd.com/read/28002114/treatment-of-pseudomonas-keratitis-by-continuous-infusion-of-topical-antibiotics-with-the-morgan-lens
#19
Mingwu Wang, Whitney A Smith, Joshua K Duncan, Joseph M Miller
PURPOSE: Despite following standard treatment, Pseudomonas keratitis can continue to progress and result in loss of vision or of the eye. Our cases demonstrate that the Morgan Lens can be an effective topical antibiotic delivery vehicle in advanced keratitis. METHODS: Two patients (3 eyes) with Pseudomonas keratitis were included in this report after failing to respond to intense inpatient topical treatment. Because loss of the eyes was imminent, the Morgan Lenses were used for continuous lavage with ceftazidime (50 mg/mL), in conjunction with other conventional treatment...
December 20, 2016: Cornea
https://www.readbyqxmd.com/read/28002112/wet-peeling-technique-of-deep-anterior-lamellar-keratoplasty-with-hypotonic-water-and-blunt-dissection-for-healed-hydrops
#20
Zelin Zhao, Jinyang Li, Qinxiang Zheng, Wei Lin, Vishal Jhanji, Wei Chen
PURPOSE: To describe the surgical technique and outcomes of "wet-peeling" deep anterior lamellar keratoplasty (DALK) using sterile water and blunt dissection in cases with corneal scarring after healed corneal hydrops. METHODS: Manual DALK using a "wet-peeling" technique was performed in 20 eyes of 20 consecutive patients with healed corneal hydrops between June 2011 and October 2013. RESULTS: Intraoperative microperforations were encountered in 2 (10%) cases...
December 20, 2016: Cornea
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