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Lamellar keratoplasty

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https://www.readbyqxmd.com/read/28440250/outcomes-of-deep-anterior-lamellar-keratoplasty-following-autologous-simple-limbal-epithelial-transplant-in-pediatric-unilateral-severe-chemical-injury
#1
Divya Singh, M Vanathi, Chanchal Gupta, Noopur Gupta, Radhika Tandon
AIMS: To evaluate outcomes of deep anterior lamellar keratoplasty (DALK) in pediatric eyes with unilateral severe chemical injury which have undergone autologous simple limbal epithelial transplant (SLET). SETTINGS AND DESIGN: The study design was a retrospective case series. MATERIALS AND METHODS: This retrospective, case series of all children <16 years of age that have undergone DALK following autologous SLET procedure in unilateral severe chemical injury evaluates the outcomes and complications in the setting of a tertiary care center in North India...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28430178/endothelial-keratoplasty-is-descemet-membrane-endothelial-keratoplasty-the-holy-grail-of-lamellar-surgery-no
#2
M Tsatsos, V S Liarakos, C MacGregor, I Athanasiadis, E T Detorakis, M M Moschos, P Hossain, D F Anderson
No abstract text is available yet for this article.
April 21, 2017: Eye
https://www.readbyqxmd.com/read/28407620/outcome-of-allo-simple-limbal-epithelial-transplantation-alloslet-in-the-early-stage-of-ocular-chemical-injury
#3
Geetha Iyer, Bhaskar Srinivasan, Shweta Agarwal, Anil Tarigopula
PURPOSE: To analyse the outcome of allo simple limbal epithelial transplantation (alloSLET) in eyes in the early stage following ocular chemical injury to achieve rapid epithelialisation. PATIENTS AND METHODS: Records of 18 eyes of 17 patients who underwent alloSLET between April 2013 and Jan 2016 were analysed retrospectively. Patients with grade 4 or worse Dua's classification for chemical injury, who presented within a month of the injury or with a non-healing epithelial defect since the injury despite earlier medical or surgical interventions, were included in the study...
October 8, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28405478/comparison-of-outcomes-in-patients-who-underwent-deep-anterior-lamellar-keratoplasty-and-those-converted-to-penetrating-keratoplasty
#4
Yusuf Koçluk, Emine Alyamaç Sukgen, Ayşe Burcu
OBJECTIVES: To compare clinical outcomes of cases who underwent deep anterior lamellar keratoplasty (DALK) and cases who were converted to penetrating keratoplasty (PKP) from DALK surgery. MATERIALS AND METHODS: The records of 54 patients for whom DALK surgery was planned and were operated for different diagnoses between March 2013 and June 2015 were retrospectively analyzed. Patients were divided into two groups: group 1 (PKP group) consisted of 23 cases who were converted to PKP due to Descemet's membrane perforation at any stage of surgery; group 2 (DALK group) consisted of 31 patients whose surgery could be completed as DALK...
April 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28393029/comparison-of-visual-and-topographic-outcomes-of-deep-anterior-lamellar-keratoplasty-and-penetrating-keratoplasty-in-keratoconus
#5
Bora Yüksel, Baran Kandemir, Umut Duygu Uzunel, Ozan Çelik, Sezgin Ceylan, Tuncay Küsbeci
AIM: To compare visual, surgical and topographic outcomes of deep anterior lamellar keratoplasty (DALK) and penetrating keratoplasty (PK) for keratoconus (KC). METHODS: In this multicenter, prospective, randomized clinical trial 76 eyes of 71 KC patients operated between January 2011 and July 2014 in 2 tertiary referral hospitals were included. Consecutive patients were alternately selected to receive one of the two surgical methods. Thirty eight eyes underwent DALK with the big-bubble technique and 38 eyes underwent PK...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28387767/femtosecond-laser-assisted-in-situ-keratomileusis-for-the-correction-of-residual-ametropia-after-deep-anterior-lamellar-keratoplasty-a-pilot-investigation
#6
A Balestrazzi, A Balestrazzi, F Menicacci, G Cartocci, F Menicacci, P Michieletto, E Balestrazzi
PurposeTo evaluate the refractive and visual results of one-stage laser-assisted in situ keratomileusis with femtosecond laser (Femto-LASIK) for the correction of residual ametropia after deep anterior lamellar keratoplasty (DALK).MethodsThis retrospective study included 13 eyes of 12 patients, who underwent corneal Femto-LASIK to correct refractive errors after DALK. IntraLase FS150 was used to create a lamellar flap and excimer laser ablation for refractive correction was performed using the Star S4 IR Excimer Laser in eight cases and the Technolas 217z Excimer Laser in Tissue Saving mode in five cases...
April 7, 2017: Eye
https://www.readbyqxmd.com/read/28355171/glaucoma-mini-shunt-implantation-after-keratoplasty
#7
Jasbeth Ledesma-Gil, María de Los Ángeles García-Rodríguez, Lulu U Gurria, Enrique O Graue-Hernández, Alejandro Navas
PURPOSE: To report the outcomes of patients who underwent miniature glaucoma shunt implantation after secondary glaucoma due to keratoplasty. MATERIALS AND METHODS: Prospective study of consecutive clinical cases who underwent mini-glaucoma shunt implantation following keratoplasty. In brief, a fornix-based conjunctival flap was performed, approximately 50% thickness scleral flap. Mitomycin C 0.025% placed under Tenon's capsule. A 25-G needle created entry for mini-shunt...
April 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28345566/intraoperative-optical-coherence-tomography-in-anterior-segment-surgeries
#8
Jeewan S Titiyal, Manpreet Kaur, Ruchita Falera
Intraoperative optical coherence tomography (iOCT) is a noninvasive imaging modality that provides a real-time dynamic feedback of the various surgical steps. Comprehensive literature search was performed in MEDLINE using "intraoperative optical coherence tomography" and "iOCT" as keywords. The use of iOCT as an aid to decision-making has been successfully reported in cases undergoing keratoplasty, implantable Collamer lens (ICL) implantation as well as cataract surgery. iOCT helps to assess the graft-host relationship in penetrating keratoplasty...
February 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28337067/late-spontaneous-resolution-of-a-double-anterior-chamber-post-deep-anterior-lamellar-keratoplasty
#9
Andrea Passani, Angela Tindara Sframeli, Pasquale Loiudice, Marco Nardi
A 31-year-old healthy male underwent deep anterior lamellar keratoplasty with big-bubble technique for treatment of keratoconus in his right eye. One week after surgery, he presented with detachment of the endothelium-Descemet complex with formation of a double anterior chamber, despite the apparent absence of an intraoperative Descemet membrane rupture. A subsequent intervention with the intent to relocate the corneal graft button was not effective, because the detachment appeared again one day later. The authors hypothesized that, at the time of the stromal dissection with big bubble technique, a small amount of air penetrated into the anterior chamber, creating a false pathway through the trabecular meshwork...
January 2017: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/28336058/large-9-mm-deep-anterior-lamellar-keratoplasty-with-clearance-of-a-6-mm-optical-zone-optimizes-outcomes-of-keratoconus-surgery
#10
Massimo Busin, Pia Leon, Yoav Nahum, Vincenzo Scorcia
PURPOSE: To evaluate the outcomes of a 9-mm deep anterior lamellar keratoplasty (DALK) with removal of the deep stroma limited to the central 6-mm optical zone. DESIGN: Prospective, noncomparative, interventional case series. PARTICIPANTS: A total of 80 consecutive keratoconic eyes without deep stromal scarring, with at least 1 postoperative examination 1 month after complete suture removal. INTERVENTION: A standardized DALK was performed, including (1) deep trephination of the recipient bed 450 to 550 μm in depth and 9 mm in diameter; (2) pneumatic dissection; (3) debulking of approximately 80% of the anterior stroma; (4) removal of the deep stroma (bubble roof) from a central 6-mm optical zone; and (5) transplantation of a 9-mm anterior corneal lamella cut by microkeratome-assisted dissection (400-μm head) and sutured with a double running 10-0 nylon suture...
March 20, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28328727/strategies-for-deep-anterior-lamellar-keratoplasty-after-hydrops-in-keratoconus
#11
Matthias Fuest, Jodhbir S Mehta
Corneal hydrops affects approximately 2.5% of keratoconus (KC) cases, predominantly young males approximately 25 years of age with steep cones. Often, patients are left with a vision-reducing corneal scar frequently necessitating surgical treatment. Penetrating keratoplasty (PK) has worse survival outcomes in hydrops than in general KC cases. Deep anterior lamellar keratoplasty (DALK) is a nonpenetrating technique believed to achieve equal or better outcomes in visual acuity, graft survival, endothelial rejection rates, and endothelial cell survival in comparison with PK, while maintaining globe integrity and the patients' Descemet membrane (DM) and endothelium...
March 21, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/28326192/differences-in-surgical-management-of-corneal-perforations-measured-over-six-years
#12
Katarzyna Krysik, Dariusz Dobrowolski, Anita Lyssek-Boron, Judyta Jankowska-Szmul, Edward A Wylegala
Purpose. To report the surgical approach, anatomical and functional results, and complications in the group of patients with corneal perforation. Materials and Methods. 247 eyes with corneal perforation were operated on between January 2010 and July 2016. The three surgical procedures, dependent on size and location of perforation, were performed: full-sized penetrating keratoplasty, corneoscleral patch graft, and anterior lamellar keratoplasty. The eyes underwent the minimum 6-month follow-up visit. Results...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28316189/-noteworthy-and-controversial-problems-of-deep-anterior-lamellar-keratoplasty
#13
H Gao
Corneal transplant is the main treatment for blindness caused by corneal diseases. The common methods of corneal transplant include penetrating keratoplasty and lamellar keratoplasty. With the advances of microsurgical instruments and technology in recent years, deep anterior lamellar keratoplasty (DALK) has gradually increased. Compared with conventional penetrating keratoplasty, the optical effects of DALK are not much different, but DALK has fewer complications. So DALK is expected to become the mainstream of corneal transplantation...
March 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28300735/comparison-of-femtosecond-laser-assisted-descemetic-and-predescemetic-lamellar-keratoplasty-for-keratoconus
#14
Yan Lu, Ana Beatriz Diniz Grisolia, Yi-Rui Ge, Chun-Yan Xue, Qian Cao, Li-Ping Yang, Zhen-Ping Huang
PURPOSE: The purpose of this study is to compare the outcomes following femtosecond laser-assisted deep anterior lamellar keratoplasty (DALK) with 75% of stromal dissection (predescemetic group) and femtosecond laser-assisted DALK using big-bubble technique with total stromal resection (descemetic group) for the treatment of keratoconus. SUBJECTS AND METHODS: Twenty eyes of 17 patients with keratoconus were studied. There were 10 eyes of 9 patients in predescemetic group and 10 eyes of 8 patients in descemetic group...
January 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28257387/repeat-keratoplasty-for-failed-deep-anterior-lamellar-keratoplasty-in-keratoconus-incidence-indications-and-outcomes
#15
Sepehr Feizi, Mohammad Ali Javadi, Pejman Khajuee-Kermani, Roya Jafari
PURPOSE: To analyze the incidence, indications, and clinical outcomes of penetrating keratoplasty (PK) and repeat deep anterior lamellar keratoplasty (DALK) after failed DALK for keratoconus. METHODS: This retrospective interventional case series reviewed the medical records of patients with keratoconus who underwent DALK and were followed up for at least 1 year. Patients who underwent PK or repeat DALK for failed DALK were identified. The incidence, indications, and clinical outcomes after repeat keratoplasty were assessed...
May 2017: Cornea
https://www.readbyqxmd.com/read/28257380/corneal-transplantation-in-auckland-new-zealand-1999-2009-indications-patient-characteristics-ethnicity-social-deprivation-and-access-to-services
#16
Alexandra Z Crawford, James McKelvie, Jennifer P Craig, Charles N J McGhee, Dipika V Patel
PURPOSE: To analyze characteristics and indications for corneal transplantation in patients undergoing penetrating, lamellar, and endothelial keratoplasty in Auckland, New Zealand (NZ). METHODS: Corneal transplantation data from the NZ National Eye Bank and hospital records of corneal transplant recipients in the Auckland region from January 1, 2000, to December 31, 2009, were collated. Patient demographics, preoperative diagnosis, indication, ocular and medical history, visual acuity, deprivation index, and access to transplantation surgery were analyzed...
May 2017: Cornea
https://www.readbyqxmd.com/read/28237153/current-indications-and-surgical-approaches-to-corneal-transplants-at-the-university-of-toronto-a-clinical-pathological-study
#17
Ryan Le, Narain Yucel, Shireen Khattak, Yeni H Yucel, Gerald J Prud'homme, Neeru Gupta
OBJECTIVE: To determine the most common reasons and surgical approaches for corneal graft surgery at the Kensington Eye Institute (KEI), University of Toronto. DESIGN: Retrospective cross-sectional study. PARTICIPANTS: A total of 229 consecutive corneal transplants performed at the KEI. METHODS: Demographic, clinical, and pathological data on all 2012 and 2013 corneal transplants were collected. RESULTS: The mean age for corneal transplants was 65 ± 16 years; 39% were full-thickness penetrating keratoplasties (PK) and 61% were partial-thickness...
February 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28237152/patient-comfort-and-visual-outcomes-of-mini-scleral-contact-lenses
#18
Peng Yan, Mustafa Kapasi, Ronan Conlon, Joshua C Teichman, Season Yeung, Yelin Yang, Setareh Ziai, Kashif Baig
OBJECTIVE: To evaluate short-term visual outcome, patient acceptance, and tolerance of mini-scleral contact lenses (SCLs) in the management of various corneal pathologies. DESIGN: Retrospective case series. PARTICIPANTS: Thirty-two patients (40 eyes) who received mini-SCLs. METHODS: Single-centre retrospective case series, between February 2010 and January 2013, of 32 patients (40 eyes) with various corneal pathologies who were offered either Maxim 5R, Maxim 7, or Maxim 7 × 11 mini-SCLs for nonsurgical optimization of visual correction...
February 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28225492/clinical-application-of-ticl-implantation-for-ametropia-following-deep-anterior-lamellar-keratoplasty-for-keratoconus-a-consort-compliant-article
#19
Qin Qin, Liping Yang, Zifang He, Zhenping Huang
BACKGROUND: This study aimed to investigate the clinical application of phakic toric intraocular collamer lens (TICL) implantation in treating ametropia following deep anterior lamellar keratoplasty (DALK) for patients with keratoconus, especially the effectiveness and safety of high astigmatism and indications of TICL implantation after corneal transplantation. METHODS: Using the self-controlled case series observation approach, 9 patients with ametropia (9 eyes) who underwent DALK surgery for keratoconus 1...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28187469/-intraoperative-optical-coherence-tomography-an-overview-of-current-clinical-data-for-the-application-in-the-anterior-and-posterior-segments
#20
A J Augustin
Intraoperative optical coherence tomography (iOCT) represents another milestone in ocular imaging technologies. Now, for the first time, high resolution OCT images are available not only pre- or postoperatively, but also intraoperatively. In recent years, there have been significant advances in iOCT technology - from hand-held probes and mounted systems towards iOCT systems which are fully integrated into the surgical microscope and which provide seamless integration into the workflow. These systems offer high-resolution, intraoperative OCT scans in real-time and provide additional information on microstructures of the retina or the cornea...
February 10, 2017: Klinische Monatsblätter Für Augenheilkunde
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