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https://www.readbyqxmd.com/read/29737416/long-term-follow-up-of-deep-anterior-lamellar-keratoplasty-after-descemet-stripping-automated-endothelial-keratoplasty
#1
Matthias Fuest, Sharita R Siregar, Abdelsattar Farrag, Hla Myint Htoon, Donald Tan, Jodhbir S Mehta
AIMS: To describe the long-term outcomes of deep anterior lamellar keratoplasty (DALK) performed after Descemet stripping automated endothelial keratoplasty (DSAEK) in cases of infection and residual stromal opacity. METHODS: Ten eyes of nine consecutive patients undergoing DALK after DSAEK at a single tertiary referral center (SNEC) from 2011 to 2016 were analyzed for best spectacle-corrected visual acuity (BSCVA), refraction, spherical equivalent (SE) and cylinder, as well as graft diameters, survival, and complications...
May 8, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29730856/comparison-of-densitometric-profile-after-deep-lamellar-keratoplasty-with-two-different-techniques-for-treatment-of-keratoconus
#2
Mohammad Ghoreishi, Abolfazl Kashfi, Mohammadreza Peyman, Shahriar Hanjani, Mohaddese Mohammadinia, Mike Straiko
PURPOSE: To compare densitometric outcome of two techniques of deep lamellar keratoplasty using Pentacam HR corneal densitometry software. METHODS: Postoperative outcomes of 31 patients with big bubble (BB) and 28 patients with Melles (M) surgery for the treatment of keratoconus were evaluated. Data were gathered at least 3 months after the removal of all sutures including demographic data, uncorrected distance visual acuity (UCDVA), best spectacle-corrected visual acuity (BSCVA), refraction and endothelial cell count...
May 5, 2018: International Ophthalmology
https://www.readbyqxmd.com/read/29705009/cataract-surgery-after-deep-anterior-lamellar-keratoplasty-and-penetrating-keratoplasty-in-age-and-disease-matched-eyes
#3
Seika Den, Shigeto Shimmura, Jun Shimazaki
PURPOSE: To assess the efficacy and safety of cataract surgery after deep anterior lamellar keratoplasty (DALK) and penetrating keratoplasty (PKP). SETTING: Tokyo Dental College Ichikawa General Hospital, Chiba, Japan. DESIGN: Retrospective case series. METHODS: Age-matched and disease-matched eyes that had phacoemulsification and intraocular lens insertion after DALK or PKP were studied. Graft clarity was assessed at the final follow-up...
April 25, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29683162/phase-behaviours-of-a-cationic-surfactant-in-deep-eutectic-solvents-from-micelles-to-lyotropic-liquid-crystals
#4
Qintang Li, Jiao Wang, Nana Lei, Minhao Yan, Xiao Chen, Xiu Yue
In recent years, aggregates formed in deep eutectic solvents (DESs), especially micelles, have attracted much attention. In this study, the phase behaviours of a cationic surfactant, cetylpyridinium bromide (CPBr), in two DESs, choline chloride + glycerol (ChG) and choline chloride + ethylene glycol (ChEG), were investigated in wide concentration and temperature ranges. With the help of small angle X-ray scattering, polarized optical microscopy and rheological measurements, the structures and properties of various aggregates were characterized...
April 23, 2018: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29681295/deep-lamellar-endothelial-keratoplasty-for-epithelial-ingrowth
#5
Bhupesh Bagga, Sridhar Rao
No abstract text is available yet for this article.
May 2018: Ophthalmology
https://www.readbyqxmd.com/read/29679087/optical-and-tectonic-corneal-transplant-outcomes-in-a-tertiary-hospital-in-singapore-within-the-singapore-corneal-transplant-registry
#6
Dawn Ho, Charmaine Chai, Hazel Lin, Hla Myint Htoon, Anna Marie Tan, Ray Manotosh, Donald Tan
INTRODUCTION: This study aimed to describe and compare corneal graft survival and optical outcomes following deep anterior lamellar keratoplasty (DALK) and Descemet's stripping automated endothelial keratoplasty (DSAEK) with penetrating keratoplasty (PK), and to document tectonic success of patch grafts. MATERIALS AND METHODS: This was a retrospective, non-randomised, comparative and descriptive cohort study. A total of 139 eyes that underwent primary keratoplasty between 2000 and 2016 were included, and the following data was extracted: demographics, clinical diagnosis and primary indication, pre- and intraoperative risk factors, postkeratoplasty outcomes, and complications...
March 2018: Annals of the Academy of Medicine, Singapore
https://www.readbyqxmd.com/read/29676313/deep-anterior-lamellar-keratoplasty-or-penetrating-keratoplasty-in-lattice-corneal-dystrophy
#7
Ritu Arora
No abstract text is available yet for this article.
May 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29676312/outcomes-of-keratoplasty-in-lattice-corneal-dystrophy-in-a-large-cohort-of-indian-eyes
#8
Ashik Mohamed, Sunita Chaurasia, Muralidhar Ramappa, Somasheila I Murthy, Prashant Garg
Purpose: The purpose of this study is to evaluate the outcomes of keratoplasty for lattice corneal dystrophy (LCD) performed at a tertiary eye care center. Methods: A retrospective review of medical records of those patients who were clinically diagnosed to have LCD (72 eyes of 57 patients) and underwent either penetrating keratoplasty (PK, 58 eyes of 46 patients) or deep anterior lamellar keratoplasty (DALK, 14 eyes of 13 patients) between the years 1987 and 2014 was performed...
May 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29649920/corneal-transplantation-trends-in-france-from-2004-to-2015-a-12-year-review
#9
Guillaume Bigan, Marc Puyraveau, Maher Saleh, Philippe Gain, Isabelle Martinache, Bernard Delbosc, Anne-Sophie Gauthier
PURPOSE: The aim of this study was to report the 12-year longitudinal trends in indication and corneal transplantation techniques in France from 2004 to 2015. RESULTS: The records of all corneal transplantations performed from 2004 to 2015 in France were retrospectively reviewed. The patient indications and types of transplant performed were analyzed. A total of 46,658 corneal transplantations were performed between 2004 and 2015, with 34,187 (73.3%) penetrating keratoplasty and 10,452 (22...
April 1, 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/29615834/corneal-clarity-measurements-in-patients-with-keratoconus-undergoing-either-penetrating-or-deep-anterior-lamellar-keratoplasty
#10
Khaled Alzahrani, Syarifah-Faiza Dardin, Fiona Carley, Arun Brahma, Debbie Morley, M Chantal Hillarby
Purpose: To compare the corneal clarity measurement between penetrating keratoplasty (PK) and deep anterior lamellar keratoplasty (DALK) in patients with keratoconus, using densitometry software for the Oculus Pentacam. Methods: A retrospective comparative study was carried out at Manchester Royal Eye Hospital. Data were collected 12-18 months after corneal transplantation for keratoconus, including postoperative corneal densitometry, best corrected visual acuity (BCVA), central corneal thickness (CCT), and other relevant clinical details...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29615397/deep-anterior-lamellar-keratoplasty-dissection-plane-with-viscoelastic-and-air-can-be-different
#11
Andrew R Ross, Dalia G Said, Abdalla El-Amin, Saif Altaan, Javier Cabrerizo, Mario Nubile, Emily Hogan, Leonardo Mastropasqua, Harminder Singh Dua
AIMS: To investigate and define the nature of big bubbles (BB) formed by injection of viscoelastic in deep anterior lamellar keratoplasty. METHODS: Intrastromal injections of 0.1 and 0.3 mL of sodium hyaluronate 1.2% and 0.6% were made into sclera-corneal discs (n = 32) at superficial (anterior-third), midstromal (middle-third) and deep (posterior-third) levels to simulate deep anterior lamellar keratoplasty. Postinjection optical coherence tomograms (OCT) were obtained with the needle in situ...
April 3, 2018: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29604391/macular-corneal-dystrophy-a-review
#12
REVIEW
Shruti Aggarwal, Travis Peck, Jeffrey Golen, Zeynel A Karcioglu
Macular corneal dystrophy (MCD) is a corneal stromal dystrophy which leads to progressive vision loss. MCD is an autosomal recessive condition in which there is abnormality of proteoglycan synthesis. Mutations in the carbohydrate sulphotransferase gene (CHST6) prevent normal sulfation of corneal keratan. Different immunophenotypes have been described depending on the presence of keratan sulfate in cornea and or serum. The deposition of abnormal proteoglycans leads to loss of corneal transparency and decreased vision...
March 28, 2018: Survey of Ophthalmology
https://www.readbyqxmd.com/read/29551887/bowman-s-layer-transplantation-evidence-to-date
#13
REVIEW
Bhavana Sharma, Aditi Dubey, Gaurav Prakash, Rasik B Vajpayee
Surgical management of keratoconus (KC) has undergone a paradigm shift in the last two decades and component corneal transplantation technique of deep anterior lamellar keratoplasty has established itself as a modality of choice for management of advanced cases of KC. Every now and then, new minimalist modalities are being innovated for the management of KC. On the same lines, a new technique, Bowman's layer transplantation, for surgical management of moderate to advanced KC has been reported in recent years...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29543665/immunologic-stromal-rejection-after-deep-anterior-lamellar-keratoplasty-with-grafts-of-a-larger-size-9-mm-for-various-stromal-diseases
#14
Giuseppe Giannaccare, Jayne S Weiss, Laura Sapigni, Cristina Bovone, Leila Mattioli, Emilio C Campos, Massimo Busin
PURPOSE: To evaluate the rate and outcomes of immunologic stromal rejection occurring after large deep anterior lamellar keratoplasty (DALK) and the effect of the underlying disease on the cumulative probability of rejection. METHODS: This was a retrospective chart review of all eyes that underwent a 9-mm DALK at Ospedali Privati Forlì (Forlì, Italy). On the basis of preoperative diagnosis, eyes were assigned to group 1: keratoconus, group 2: stromal disease with a low risk for rejection, or group 3: stromal disease with a high risk for rejection...
March 14, 2018: Cornea
https://www.readbyqxmd.com/read/29537097/scale-diversity-in-bigeye-tuna-thunnus-obesus-fat-filled-trabecular-scales-made-of-cellular-bone
#15
Dylan K Wainwright, Sam Ingersoll, George V Lauder
Tunas of the genus Thunnus possess many morphological and physiological adaptations for their high-performance epipelagic ecology. Although Thunnus anatomy has been studied, there are no quantitative studies on the structure of their scales. We investigated the scales of bigeye tuna (Thunnus obesus) from ten regions of the body using micro computed tomography (µCT)-scanning and histology to quantitatively and qualitatively compare regional scale morphology. We found a diversity of scale sizes and shapes across the body of bigeye tuna and discriminant function analysis on variables derived from µCT-data showed that scales across the body differ quantitatively in shape and size...
March 14, 2018: Journal of Morphology
https://www.readbyqxmd.com/read/29521693/mechanism-of-immunologic-rejection-after-deep-anterior-lamellar-keratoplasty
#16
Takahiko Hayashi
No abstract text is available yet for this article.
June 2018: Cornea
https://www.readbyqxmd.com/read/29504315/assessments-of-tear-meniscus-height-tear-film-thickness-and-corneal-epithelial-thickness-after-deep-anterior-lamellar-keratoplasty
#17
Wen-Jia Xie, Ye-Sheng Xu, Xia Zhang, Yu-Feng Yao
OBJECTIVE: To assess the lower tear meniscus height (LTMH), central tear film thickness (CTFT), and central corneal epithelial thickness (CCET) after deep anterior lamellar keratoplasty (DALK). METHODS: This was a retrospective cross-sectional study of 20 patients who had DALK in one eye over a three-month period. LTMH, CTFT, and CCET of the operated eyes and the unoperated fellow eyes were measured using high-definition optical coherence tomography (HD-OCT). Correlations between three OCT assessments and age, time following surgery, graft size, bed size, and the number of residual sutures were analyzed...
2018: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/29489516/five-keratoplasties-from-one-donor-cornea
#18
Oganes G Oganesyan, Vladimir V Neroev, Arthur A Grdikanyan, Vostan R Getadaryan
PURPOSE: To describe the feasibility of same-day, consecutive use of a single donor cornea in 5 patients with corneal pathology, who required anterior lamellar and endothelial keratoplasties. METHODS: Descemet membrane (DM) with endothelium was completely stripped from a single corneoscleral button and punched out from the endothelial side with a circular, standard punch. Using a custom-made punch for linear cutting of DM, we obtained 4 quarter-grafts (Q-graft)...
May 2018: Cornea
https://www.readbyqxmd.com/read/29474298/descemet-membrane-endothelial-keratoplasty-for-failed-deep-anterior-lamellar-keratoplasty-a-case-series
#19
Adi Einan-Lifshitz, Nir Sorkin, Tanguy Boutin, Zale Mednick, Mohammad Kreimei, Clara C Chan, David S Rootman
PURPOSE: To suggest a new surgical approach for posterior opacities or persistent Descemet membrane (DM) detachment in failed deep anterior lamellar keratoplasty (DALK) and to report the outcome of Descemet membrane endothelial keratoplasty (DMEK) in a series of patients with DALK failure. METHODS: In this retrospective case series of patients who underwent DMEK for failed DALK at Toronto Western Hospital, 4 patients with failed DALK who underwent DMEK surgery were included...
June 2018: Cornea
https://www.readbyqxmd.com/read/29465543/spontaneous-reattachment-of-descemet-membrane-detachment-after-deep-anterior-lamellar-keratoplasty-a-case-report
#20
Xiaolei Lin, Yue Wu, Yana Fu, Qi Dai
RATIONALE: To report a case of late spontaneous reattachment of Descemet membrane (DM) detachment after deep anterior lamellar keratoplasty (DALK). PATIENT CONCERNS: A 50-year-old woman with stromal corneal scarring underwent a DALK with the big bubble technique. The DM detachment and double anterior chamber were observed on the first day after operation. DIAGNOSES: Descemet membrane detachment after deep anterior lamellar keratoplasty [Oculus Dexter (OD), indicates right eye]...
February 2018: Medicine (Baltimore)
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