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Accelerated CXL

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https://www.readbyqxmd.com/read/29750010/comparative-analysis-of-safety-and-efficacy-of-photorefractive-keratectomy-versus-photorefractive-keratectomy-combined-with-crosslinking
#1
Gitansha Shreyas Sachdev, Shreyas Ramamurthy, Ramamurthy Dandapani
Purpose: To assess the safety, efficacy, and refractive predictability of half-fluence accelerated corneal collagen crosslinking (CXL) applied concurrently with photorefractive keratectomy (PRK), and compare the results to standard PRK. Setting: Refractive Services, The Eye Foundation, Coimbatore, India. Design: Interventional comparative case series. Methods: Patients seeking refractive correction for myopia or myopic astigmatism were included in the study...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29738594/bilateral-asymmetric-keratoconus-induced-by-thyrotoxicosis-with-long-term-stability-after-corneal-cross-linking
#2
Ramon Lee, Ahmed El-Massry, Youssef El-Massry, J Bradley Randleman
PURPOSE: To present a case of bilateral, asymmetric keratoconus presenting unilaterally after partial thyroidectomy with delayed presentation in the second eye after thyrotoxicosis, with disease stabilization following corneal cross-linking (CXL). METHODS: Case report and literature review. RESULTS: A 17-year-old girl with a history of Graves' disease underwent partial thyroidectomy without thyroid hormone replacement therapy with normal baseline ophthalmic examination of corrected distance visual acuity (CDVA) of 20/20 and no manifest astigmatism in either eye...
May 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29738584/corneal-allogenic-intrastromal-ring-segments-cairs-combined-with-corneal-cross-linking-for-keratoconus
#3
Soosan Jacob, Shaila R Patel, Amar Agarwal, Arvind Ramalingam, A I Saijimol, John Michael Raj
PURPOSE: To describe a new technique for the treatment of keratoconus using corneal allogenic intrastromal ring segments (CAIRS). METHODS: CAIRS trephined from donor cornea using a double-bladed trephine were implanted into mid-depth femtosecond laser-dissected channels in the cornea of patients with keratoconus in the 6.5-mm optic zone, followed by accelerated corneal cross-linking (A-CXL)-either conventional or contact lens-assisted CXL (A-CACXL), depending on minimum corneal thickness...
May 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29736691/comparison-of-pain-after-subepithelial-versus-conventional-accelerated-corneal-collagen-cross-linking-for-keratoconus
#4
Shaowei Li, Huatao Xie, Man Xu, Meiyan Li, Chang Liu, Jingliang He, Tian Han, Xingtao Zhou
PURPOSE: To compare the postoperative pain and epithelial healing time in conventional and subepithelial accelerated corneal collagen cross-linking (CXL) for progressive keratoconus. METHODS: The medical records of 27 consecutive patients who underwent accelerated CXL for progressive keratoconus were retrospectively reviewed. Patients were divided into two groups: the conventional (n = 16) and the subepithelial accelerated CXL group (n = 11). Corneal epithelial layers with a diameter of 8...
May 7, 2018: International Ophthalmology
https://www.readbyqxmd.com/read/29703291/continuous-light-versus-pulsed-light-accelerated-corneal-crosslinking-with-ultraviolet-a-and-riboflavin
#5
Yirui Zhu, Peter S Reinach, Hanlei Zhu, Ling Li, Fan Yang, Jia Qu, Wei Chen
PURPOSE: To determine whether the pulsed-light ultraviolet-A (UVA) accelerated corneal crosslinking (CXL) procedure is more efficacious and selective than its continuous-light counterpart in rabbits. SETTING: School of Ophthalmology and Optometry, Wenzhou Medical University, Wenzhou, Zhejiang, China. DESIGN: Experimental study. METHODS: Fifty-four rabbits were divided into 2 groups. Group 1 had continuous-light accelerated CXL using 9 mW/cm2 UVA for 10 minutes (5...
March 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29685772/corneal-stromal-demarcation-line-after-4-protocols-of-corneal-crosslinking-in-keratoconus-determined-with-anterior-segment-optical-coherence-tomography
#6
Leopoldo Spadea, Lucia Di Genova, Emanuele Tonti
PURPOSE: To use anterior segment optical coherence tomography (AS-OCT) to compare corneal stromal demarcation line depth after 4 treatment protocols of corneal crosslinking (CXL). SETTING: Eye Clinic, Sapienza University of Rome, Terracina (Latina), Italy. DESIGN: Prospective case series. METHODS: Patients with progressive keratoconus were delegated to one of the following CXL treatments: (1) conventional epithelium (epi)-off 3 mW/cm2 according to the standard Dresden protocol (C-CXL group), (2) accelerated epi-off 10 mW/cm2 (A-CXL group), (3) transepithelial epi-on 3 mW/cm2 (TE-CXL group), or (4) transepithelial epi-on by iontophoresis 10 mW/cm2 (I-CXL group)...
April 20, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29666915/corneal-crosslinking-cxl-with-18-mw-cm-2-irradiance-and-5-4-j-cm-2-radiant-exposure-early-postoperative-safety
#7
Isaak Fischinger, Theo G Seiler, Karthiga Santhirasegaram, Moritz Pettenkofer, Chris P Lohmann, Daniel Zapp
PURPOSE: To investigate safety of accelerated corneal crosslinking during the first postoperative month. METHODS: In this retrospective study, 76 eyes of 60 patients with verified progressive keratectasia were enrolled in this study and followed for 1 month after accelerated CXL (18 mW/cm2 for 5 min, radiant exposure 5.4 J/cm2 ) (A-CXL(5*18)). Preoperatively, objective refraction, slit lamp inspection, and corneal tomography were performed. Early postoperative slit lamp examinations were performed on days 1 and 4...
April 17, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29623463/current-perspectives-on-corneal-collagen-crosslinking-cxl
#8
Sandeepani K Subasinghe, Kelechi C Ogbuehi, George J Dias
Corneal collagen crosslinking has revolutionized the treatment of keratoconus and post-refractive corneal ectasia in the past decade. Corneal crosslinking with riboflavin and ultraviolet A is proposed to halt the progression of keratectasia. In the original "Conventional Dresden Protocol" (C-CXL), the epithelium is removed prior to the crosslinking process to facilitate better absorption of riboflavin into the corneal stroma. Studies analyzing its short- and long-term outcomes revealed that although there are inconsistencies as to the effectiveness of this technique, the advantages prevail over the disadvantages...
April 6, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29610026/epithelial-remodeling-after-corneal-crosslinking-using-higher-fluence-and-accelerated-treatment-time
#9
Ilyse D Haberman, Paul Z Lang, Alvaro Fidalgo Broncano, Sang Woo Kim, Farhad Hafezi, J Bradley Randleman
PURPOSE: To evaluate changes in regional corneal epithelial thickness after corneal crosslinking (CXL) using higher fluence (7.2 J/cm2 ) and accelerated treatment time (4 minutes) in eyes with progressive keratoconus using spectral-domain optical coherence tomography (SD-OCT) and to correlate focal epithelial and focal anterior curvature changes. SETTING: Academic medical center in the United States. DESIGN: Prospective case series. METHODS: Patients had anterior segment SD-OCT (RTVue-100) with focal stromal and epithelial measurements and Scheimpflug imaging before and 1, 3, 6, and 12 months after accelerated CXL...
March 30, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29605283/patient-satisfaction-with-epithelium-off-corneal-crosslinking
#10
Marianne O Price, Matthew T Feng, Francis W Price
PURPOSE: To assess patient satisfaction with corneal crosslinking (CXL). SETTING: Price Vision Group, Indianapolis, Indiana, USA. DESIGN: Prospective case series. METHODS: Patients treated with the Dresden protocol or accelerated epithelium-off CXL during an 8-year period were invited to participate in an electronic survey. RESULTS: Of the 552 patients who were invited to participate, 448 (80% response rate) completed the electronic survey...
March 28, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29594793/sterile-keratitis-after-uneventful-corneal-collagen-cross-linking-in-a-patient-with-axenfeld-rieger-syndrome
#11
Betul Seher Uysal, Derya Yaman, Ozge Sarac, Emine Akcay, Nurullah Cagil
PURPOSE: To report on a keratoconus (KC) patient with Axenfeld-Rieger syndrome (ARS) who developed sterile keratitis after accelerated corneal collagen cross-linking (CXL). METHODS: An 18-year-old patient with ARS and KC who had previously undergone intrastromal ring segment implantation underwent accelerated CXL (9 mW/cm2  UVA intensity for 10 min). RESULTS: After uneventful surgery, the patient presented with severe photophobia, redness of the eye, and decreased vision 72 h following the procedure...
March 28, 2018: International Ophthalmology
https://www.readbyqxmd.com/read/29582259/corneal-densitometry-after-accelerated-corneal-collagen-cross-linking-in-progressive-keratoconus
#12
Myriam Böhm, Mehdi Shajari, Matthias Remy, Thomas Kohnen
PURPOSE: To analyze changes in corneal densitometry 3 months after accelerated corneal collagen cross-linking (CXL) measured with Scheimpflug tomography. METHODS: In this study we reviewed charts and anterior segment data of patients who had undergone accelerated pulsed epithelium-off CXL (30 mW/cm2 for 4 min, 8 min total radiation time) for treatment of progressive keratoconus in the Department of Ophthalmology, Goethe University, Frankfurt, Germany. Visual, topographic, pachymetric and densitometric data were extracted before surgery and at the 3-month follow-up...
March 26, 2018: International Ophthalmology
https://www.readbyqxmd.com/read/29564806/prospective-randomized-contralateral-eye-study-of-accelerated-and-conventional-corneal-cross-linking-in-pediatric-keratoconus
#13
Sherif A Eissa, Amr Yassin
PURPOSE: To compare the outcomes of two different cross-linking (CXL) protocols, in pediatric keratoconus eyes. MATERIALS AND METHODS: In this prospective randomized contralateral eye interventional study, 68 eyes of 34 patients, 9-16 years old, underwent CXL and enrolled between October 2011 and October 2013. Group A represents conventional riboflavin-ultraviolet A (UVA)-induced CXL with 30 min of exposure to UVA irradiation of 3 mW/cm2 . Group B represents accelerated cross-linking with 5 min of continuous UVA irradiation of 18 mW/cm2 ...
March 21, 2018: International Ophthalmology
https://www.readbyqxmd.com/read/29525838/long-term-database-analysis-of-conventional-and-accelerated-crosslinked-keratoconic-mid-european-eyes
#14
Efstathios Vounotrypidis, Alexis Athanasiou, Karsten Kortüm, Daniel Kook, Mehdi Shajari, Siegfried Priglinger, Wolfgang J Mayer
PURPOSE: To investigate the long-term efficacy of accelerated corneal collagen cross-linking (CXL) in a large mid-European cohort with progressive keratoconus. METHODS: Four hundred thirteen eyes of 316 patients with progressive keratoconus were enrolled and treated with conventional (group A) or accelerated (group B) CXL. Uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), slit lamp, and Pentacam® examinations were performed before and 12, 24, and 36 months after surgery...
June 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29523106/one-year-follow-up-of-accelerated-transepithelial-corneal-collagen-cross-linking-for-progressive-pediatric-keratoconus
#15
Mi Tian, Weijun Jian, Ling Sun, Yang Shen, Xiaoyu Zhang, Xingtao Zhou
BACKGROUND: Keratoconus typically presents in the teenage years and is more advanced in younger patients when compared with adults. In the present study, we aimed to assess the safety and efficacy of accelerated transepithelial corneal collagen cross-linking (ATE-CXL) in children with progressive keratoconus. METHODS: In this retrospective consecutive study, 18 eyes were enrolled from 17 pediatric patients (15 boys and 2 girls) with a mean age of 14.44 ± 1...
March 9, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29476249/correlation-between-central-stromal-demarcation-line-depth-and-changes-in-k-values-after-corneal-cross-linking-cxl
#16
Niklas Pircher, Jan Lammer, Stephan Holzer, Andreas Gschließer, Ruth Donner, Stefan Pieh, Gerald Schmidinger
PURPOSE: A stromal demarcation line (DL) after corneal cross-linking (CXL) has lately been suggested as a surrogate parameter for the success of CXL. The aim of this study was to investigate the correlation between depth of the central DL 1 month and the change in K values 12 months after CXL. METHODS: Treatment-naive subjects with keratoconus were treated using an accelerated CXL protocol [A-CXL(9*10)]. Depth of the DL/relative depth of the DL (DL%) was measured using Visante OCT imaging 1 month postoperatively (OP)...
April 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29333909/subclinical-inflammatory-response-accelerated-versus-standard-corneal-cross-linking
#17
Alireza Hedayatfar, Hassan Hashemi, Hossein Aghaei, Nahid Ashraf, Soheila Asgari
PURPOSE: To compare the subclinical inflammatory response (as measured by anterior chamber flare) induced after standard (3 mW/cm2 , 30 min) and accelerated (18 mW/cm2 , 5 min) corneal cross-linking (CXL). METHODS: In this comparative, non-randomized study, patients with progressive keratoconus who underwent standard or accelerated CXL were studied. Laser flare photometery (FM-600; Kowa, Tokyo, Japan) was used to measure anterior chamber flare preoperatively and at 1 week, 1 month, 3 months, and 6 months after the procedure...
January 15, 2018: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/29300266/visibility-and-depth-of-the-stromal-demarcation-line-after-corneal-collagen-cross-linking-using-anterior-segment-optical-coherence-tomography-comparison-between-isoosmolar-and-hypoosmolar-riboflavin
#18
Louis Lhuillier, Cedric Ghetemme, Mathilde Boiché, Rekia Yahia, Naila Houmad, Mohamed Zaidi, Christophe Goetz, Jean Marc Perone
PURPOSE: To evaluate and compare visibility and depth of the stromal demarcation line (DL) created after corneal collagen cross-linking (CXL) using anterior segment optical coherence tomography (AS-OCT) between 2 groups: CXL with isoosmolar and hypoosmolar riboflavin. METHODS: In this retrospective study performed at Metz-Thionville Regional Hospital, consecutive patients with progressive keratoconus underwent CXL using an accelerated protocol (10 min, 9 mW/cm ultraviolet-A)...
May 2018: Cornea
https://www.readbyqxmd.com/read/29300262/accelerated-corneal-cross-linking-with-photoactivated-chromophore-for-moderate-therapy-resistant-infectious-keratitis
#19
Boris Knyazer, Yonit Krakauer, Yael Baumfeld, Tova Lifshitz, Sabine Kling, Farhad Hafezi
PURPOSE: To evaluate the effect of accelerated corneal cross-linking with photoactivated chromophore (PACK-CXL) as additional treatment for therapy-resistant infectious keratitis. METHODS: In this interventional cohort study, 20 patients (11 men and 9 women), aged 65.5 (interquartile range = 21.5-78.5) years, who were hospitalized for moderate-sized therapy-resistant bacterial corneal ulcers (11/20 microbiologically confirmed) were treated with hypoosmolar 0.1% riboflavin solution and Ultraviolet A (UVA) irradiation for 3 minutes at 30 mW/cm (5...
April 2018: Cornea
https://www.readbyqxmd.com/read/29284455/visual-rehabilitation-in-moderate-keratoconus-combined-corneal-wavefront-guided-transepithelial-photorefractive-keratectomy-and-high-fluence-accelerated-corneal-collagen-cross-linking-after-intracorneal-ring-segment-implantation
#20
Hun Lee, David Sung Yong Kang, Byoung Jin Ha, Jin Young Choi, Eung Kweon Kim, Kyoung Yul Seo, Tae-Im Kim
BACKGROUND: To investigate the effects of combined corneal wavefront-guided transepithelial photorefractive keratectomy (tPRK) and accelerated corneal collagen cross-linking (CXL) after intracorneal ring segment (ICRS) implantation in patients with moderate keratoconus. METHODS: Medical records of 23 eyes of 23 patients undergoing combined tPRK and CXL after ICRS implantation were retrospectively analyzed. Uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), manifest refraction spherical equivalent (MRSE), corneal indices based on Scheimpflug tomography, higher-order aberrations (HOAs), and corneal biomechanical properties were evaluated before and after ICRS implantation, and at 1, 3, and 6 months after combined tPRK and CXL...
December 29, 2017: BMC Ophthalmology
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