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https://www.readbyqxmd.com/read/28794659/erratum-traumatic-corneal-flap-displacement-after-laser-in-situ-keratomileusis-lasik-erratum
#1
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[This corrects the article on p. 143 in vol. 10, PMID: 28458585.].
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28741162/-scanning-electron-microscopic-investigations-of-cutting-edge-quality-in-lamellar-keratotomy-using-the-wavelight-femtosecond-laser-fs-200-what-influence-do-spot-distance-and-an-additional-tunnel-have
#2
T Hammer, T Höche, J Heichel
BACKGROUND: Femtosecond lasers (fs-lasers) are established cutting instruments for the creation of LASIK flaps. Previous studies often showed even rougher surfaces after application of fs-laser systems compared to lamellar keratotomy with mechanical microkeratomes. When cutting the cornea with fs-lasers, an intrastromal gas development occurs, which has a potentially negative influence on the cutting quality if the gas cannot be dissipated; therefore, manufacturers have chosen the way of gas assimilation in so-called pockets...
July 24, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28690535/femtosecond-laser-in-situ-keratomileusis-flap-creation-in-narrow-palpebral-fissure-eyes-without-suction
#3
John S M Chang, Antony K P Law, Jack C M Ng, May S Y Cheng
PURPOSE: To evaluate a surgical technique used in eyes with narrow palpebral fissure undergoing femtosecond laser flap creation without suction during laser in situ keratomileusis (LASIK). METHODS: All data of 2 patient groups were collected through chart review. Group 1 consisted of 6 eyes with narrow palpebral fissure in which the suction ring was manually fixated and femtosecond laser was applied accordingly. Thirty comparison cases were randomly drawn from among eyes that underwent a standard LASIK procedure matched for age and preoperative refraction (group 2)...
May 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28672926/bilateral-diffuse-lamellar-keratitis-triggered-by-permanent-eyeliner-tattoo-treatment-a-case-report
#4
Cheng-Wei Lu, Xiu-Fen Liu, Dan-Dan Zhou, Yu-Jiao Kong, Xiao-Feng Qi, Tao-Tao Liu, Ting Qu, Xiao-Tao Pan, Cong Liu, Ji-Long Hao
Diffuse lamellar keratitis (DLK) is a sterile inflammation of the cornea, which may occur after laser-assisted in situ keratomileusis (LASIK) surgery. Little is known about the association of DLK with permanent eyeliner tattoo. The present case report describes the case of a 37-year-old Chinese woman who developed severe foreign body sensation in both eyes 1 week after receiving bilateral permanent eyeliner tattoo treatment. The patient had received bilateral LASIK surgery 10 years previously. Slit-lamp biomicroscopy revealed diffused granular infiltrates precipitated around the edge of the corneal flaps in both eyes...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28651810/comparison-of-5468-retreatments-after-laser-in-situ-keratomileusis-by-lifting-the-flap-or-performing-photorefractive-keratectomy-on-the-flap
#5
J Ortega-Usobiaga, F Llovet-Osuna, T Katz, M R Djodeyre, V Druchkiv, R Bilbao-Calabuig, J Baviera
PURPOSE: To assess visual outcomes of retreatment after laser in situ keratomileusis (LASIK) by lifting the flap or performing photorefractive keratectomy (PRK) on the flap, as well as to establish whether there was an increased risk of epithelial ingrowth (EIG) when LASIK and lifting of the flap are separated by a long time interval and to determine the incidence of corneal haze after PRK. METHODS: Retrospective study of 4077 patients (5468 eyes) who underwent LASIK and subsequent retreatment were reviewed in order to study their visual results and identify cases of EIG and corneal haze...
June 23, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28594648/risk-profiles-of-ectasia-after-keratorefractive-surgery
#6
Pushpanjali Giri, Dimitri T Azar
PURPOSE OF REVIEW: To identify and evaluate the risk factors of iatrogenic ectasia after refractive surgery. RECENT FINDINGS: We reviewed recently published papers that identified various risk factors associated with ectasia after LASIK, photorefractive keratectomy, small incision lenticule extraction, and other refractive surgical procedures. We also attempted to evaluate the relative contributions of these factors to the development of ectasia following refractive surgery...
July 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28589448/-laser-in-situ-keratomileusis-with-microkeratome-or-femtosecond-laser
#7
REVIEW
T Kohnen, G Steinwender
OBJECTIVE AND PRINCIPLES: In LASIK, after cutting a lamellating stromal corneal incision (flap) with a microkeratome or a femtosecond laser, the underlying tissue is treated with an excimer laser for refractive correction. The objective is to achieve independency from spectacles and contact lenses due to correction of ametropia. INDICATIONS: Surgery is indicated when the patient wishes to achieve independency from spectacles and contact lenses. For LASIK, the German Commission for Refractive Surgery defined a range of applicability for myopic correction up to -8 diopters (D), astigmatic correction up to 5 D and hyperopic correction up to +3 D...
July 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28586502/biomechanical-changes-after-lasik-flap-creation-combined-with-rapid-cross-linking-measured-with-brillouin-microscopy
#8
J Bradley Randleman, Johnny P Su, Giuliano Scarcelli
PURPOSE: To evaluate the biomechanical changes occurring after LASIK flap creation and rapid corneal cross-linking (CXL) measured with Brillouin light microscopy. METHODS: Porcine eyes (n = 11) were evaluated by Brillouin light microscopy sequentially in the following order: virgin state, after LASIK flap creation, and after rapid CXL. Each eye served as its own control. Depth profile of the Brillouin frequency shift was computed to reveal the depth-dependent changes in corneal stiffness...
June 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28585430/satisfactory-clinical-outcome-following-delayed-repositioning-of-a-traumatic-post-lasik-flap-with-dislocation-and-shrinkage-managed-by-irrigation-stretching-and-debridement
#9
Ye-Sheng Xu, Wen-Jia Xie, Yu-Feng Yao
OBJECTIVE: To report surgical management and favorable outcome in a case with delayed repair of traumatic laser in situ keratomileusis (LASIK) flap dislocation with shrinkage and folds. METHODS: A 30-year-old man with a five-year history of bilateral LASIK experienced blunt trauma to his right eye followed by decreased vision for 5 weeks. The surgical management included initially softening the flap by irrigation with balanced salt solution (BSS). The shrinkage folds were carefully and gently stretched by scraping with a 26-gauge cannula accompanied by BSS irrigation...
June 2017: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/28458585/traumatic-corneal-flap-displacement-after-laser-in-situ-keratomileusis-lasik
#10
Tsung-Han Tsai, Kai-Ling Peng, Chien-Jen Lin
BACKGROUND: Laser in situ keratomileusis (LASIK) is the most common and popular procedure performed for the correction of refractive errors in the last two decades. We report a case of traumatic flap displacement with flap folding which occurred 3 years after LASIK was performed. Previous literature suggests that vision prognosis would be closely related to proper and prompt management of traumatic flap displacement with flap folding 3 years after LASIK. CASE PRESENTATION: A 23-year-old female presented to our hospital who had undergone uneventful LASIK in both eyes 3 years prior...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28424534/corneal-flap-thickness-with-the-moria-m2-single-use-head-90-microkeratome-in-72-consecutive-lasik-procedures
#11
Yunus Karabela, Orkun Muftuoglu, Faruk Kaya
PURPOSE: This study aimed to evaluate the accuracy and consistency of corneal flap thickness in laser-assisted in situ keratomileusis (LASIK) with the Moria M2 single-use head 90 microkeratome. METHODS: The central corneal thickness of 72 (37 right, 35 left) eyes of 37 patients was measured by ultrasonic pachymetry preoperatively and intraoperatively after flap cut. The Moria M2 single-use head 90 microkeratome was used to create a superior hinged flap in all eyes...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28420926/femto-lasik-the-recent-innovation-in-laser-assisted-refractive-surgery
#12
Zubair Shahid Bashir, Muhammad Hassaan Ali, Ayesha Anwar, Muhammad Hammad Ayub, Nadeem Hafeez Butt
Femtosecond laser has been introduced in refractive surgery to create a thin-hinged corneal flap without using any blade. The current review was planned to analyse and compare femtosecond-assisted laser in-situ keratomileusis (LASIK), the latest refractive procedure, with conventional techniques in refractive surgery. The analysis showed that femtosecond-assisted LASIK yielded more predictable corneal flaps, lesser ocular aberrations, better uncorrected visual acuity, lesser variations in intraocular pressure (IOP) and fewer chances of developing dry eyes...
April 2017: JPMA. the Journal of the Pakistan Medical Association
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
#13
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/28380104/complete-depigmentation-of-a-small-aperture-corneal-inlay-implanted-for-compensation-of-presbyopia
#14
Mauro Campos, Sandra Beer, Eliane Mayumi Nakano, Cristina Muccioli, Rubens Belfort, Wallace Chamon
We describe a case of late-onset remarkable depigmentation of a small aperture corneal inlay implanted for presbyopia compensation. The patient was a participant in a clinical trial designed to evaluate the safety and efficacy of the AcuFocusTM ACU-10R160, which is a 10 µm-thick polyimide film tinted with an organic dye. Inlay implantation occurred under mechanical microkeratome Lasik flaps set for a depth of 120 µm. The patient returned to the clinic 11 years after surgery and reported loss of near-vision acuity...
January 2017: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/28359626/effects-of-femtosecond-and-excimer-lasers-on-implanted-kamra-corneal-inlay-in-animal-models
#15
F K Sammouh, T A Baban, W N Dandan, E L Warrak
PURPOSE: To evaluate the effect of femtosecond laser and excimer laser on an intracorneal inlay (KAMRA(®)) implanted in animal models. METHODS: Femtosecond laser was used to create corneal intrastromal pockets at 250μm depth in five porcine eyes. Four intact KAMRA inlays, examined by slit-lamp biomicroscopy and light microscopy, were implanted in the pocket of four eyes. A standard LASIK flap was created above each implanted inlay in the four eyes using a femtosecond laser with flap thicknesses of 150μm, 130μm, 110μm and 90μm...
May 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28355171/glaucoma-mini-shunt-implantation-after-keratoplasty
#16
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/28264134/biomechanical-weakening-of-different-re-treatment-options-after-small-incision-lenticule-extraction-smile
#17
Sabine Kling, Bogdan Spiru, Farhad Hafezi, Walter Sekundo
PURPOSE: To determine the corneal weakening induced by different re-treatment options after small incision lenticule extraction (SMILE) and investigate the potential of corneal cross-linking (CXL) to reestablish the original corneal stress resistance. METHODS: A total of 96 freshly enucleated porcine corneas were used. The initial refractive correction was defined to be -11.00 diopters (D) and the required enhancement to be -3.00 D. Three different re-treatment options were analyzed: -3D Re-SMILE, -3D photorefractive keratectomy (PRK) on top of the SMILE cap, and cap-to-flap conversion and -3D excimer ablation on the stromal bed (LASIK)...
March 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28264132/influences-of-flap-shape-and-hinge-angle-on-opaque-bubble-layer-formation-in-femtosecond-laser-assisted-lasik-surgery
#18
Hung-Yuan Lin, Yi-Ting Fang, Ya-Jung Chuang, Han-Chieh Yu, Christy Pu, Yiing-Jenq Chou, Chih-Yi Chien, Pi-Jung Lin, Steven C Schallhorn, Chi-Chin Sun
PURPOSE: To evaluate the effects of different flap shapes and hinge angles on opaque bubble layer (OBL) formation using a femtosecond laser for flap creation in LASIK surgery. METHODS: This retrospective study evaluated 138 eyes of 73 patients who underwent femtosecond laser-assisted LASIK with a 150-kHz IntraLase femtosecond laser (Abbott Medical Optics, Inc., Santa Ana, CA) for myopic astigmatism and compared differences between different flap shapes and hinge angles on OBL formation...
March 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28197998/laser-assisted-subepithelial-keratectomy-lasek-versus-laser-assisted-in-situ-keratomileusis-lasik-for-correcting-myopia
#19
REVIEW
Jocelyn Kuryan, Anjum Cheema, Roy S Chuck
BACKGROUND: Near-sightedness, or myopia, is a condition in which light rays entering the eye along the visual axis focus in front of the retina, resulting in blurred vision. Myopia can be treated with spectacles, contact lenses, or refractive surgery. Options for refractive surgery include laser-assisted subepithelial keratectomy (LASEK) and laser-assisted in-situ keratomileusis (LASIK). Both procedures utilize a laser to shape the corneal tissue (front of the eye) to correct refractive error, and both create flaps before laser treatment of corneal stromal tissue...
February 15, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28192591/lasik-enhancement-clinical-and-surgical-management
#20
Majid Moshirfar, Naz Jehangir, Carlton R Fenzl, Michael McCaughey
PURPOSE: To review refractive regression and current therapeutic options for patients who have residual refractive error after LASIK. METHODS: An extensive literature search using PubMed was performed for terms such as "LASIK," "PRK," "enhancement," "overcorrection," "undercorrection," "re-lift," "mini-flap," and related terms. RESULTS: The presence of residual refractive error following LASIK is a challenging situation. After excluding anatomical causes (eg, ocular surface disease, cataract, and macular pathology) and intraoperative flap complications, evaluation of the residual stromal bed must be performed...
February 1, 2017: Journal of Refractive Surgery
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