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https://www.readbyqxmd.com/read/29782336/a-review-of-small-incision-lenticule-extraction-complications
#1
Ronald R Krueger, Caio S Meister
PURPOSE OF REVIEW: As a flapless procedure, SMILE brings benefits to refractive surgery, such as lower corneal biomechanical impact, less dry eye risk and less stromal bed exposure. However, the longer learning curve can be a risk factor for complications. This article aims to discuss SMILE complications and proposes a categorized analysis of occurrences, dividing into two groups: intraoperative and postoperative complications. Among intraoperative, we also suggest a subdivision between those related to the laser (lenticule construction), tissue separation (lenticule dissection) and tissue removal (lenticule extraction)...
May 17, 2018: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/29773456/custom-air-puff-derived-biomechanical-variables-in-a-refractive-surgery-screening-setting-study-from-2-centers
#2
Vinicius S De Stefano, Ibrahim Seven, J Bradley Randleman, William J Dupps
PURPOSE: To assess the ability of air puff-derived biomechanical variables to predict surgeon-perceived candidacy for laser in situ keratomileusis (LASIK). SETTING: Cole Eye Institute, Cleveland Clinic, Cleveland, Ohio, and Emory Eye Institute, Emory University, Atlanta, Georgia, USA. DESIGN: Retrospective case series. METHODS: Data were collected from refractive surgery screening examinations by 2 surgeons at 2 centers...
May 15, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29750010/comparative-analysis-of-safety-and-efficacy-of-photorefractive-keratectomy-versus-photorefractive-keratectomy-combined-with-crosslinking
#3
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/29738592/treatment-of-corneal-ectasia-by-implantation-of-an-allogenic-corneal-lenticule
#4
Meiyan Li, Feng Zhao, Meng Li, Michael C Knorz, Xingtao Zhou
PURPOSE: To describe a case in which post-LASIK corneal ectasia was treated using an allogeneic lenticule implanted into the recipient eye. METHODS: A 29-year-old man presented with bilateral ectasia 10 years after LASIK. Manifest refraction was -1.50 -3.25 × 15° in the right eye and -13.50 -6.00 × 10° in the left eye. Because of contact lens intolerance in the left eye, the authors decided to implant an allogenic corneal lenticule, created by small incision lenticule extraction with the VisuMax laser (Carl Zeiss Meditec, Jena, Germany) in a donor eye with a refraction of +5...
May 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29703293/unilateral-corneal-ectasia-after-small-incision-lenticule-extraction-in-a-43-year-old-patient
#5
Jean Christophe Gavrilov, Raphael Atia, Vincent Borderie, Laurent Laroche, Nacim Bouheraoua
Unilateral corneal ectasia developed after small-incision lenticule extraction for mild myopia in a 43-year-old man with preoperative asymmetric astigmatism. The ectasia was diagnosed 4 years postoperatively. Preoperative data showed asymmetric astigmatism with no signs of forme fruste keratoconus. Inferior anterior curvature steepening exceeded 2.00 diopters without bulging of the posterior curvature, and pachymetric thickness exceeded 515 μm. Corneal ectasia can occur after small-incision lenticule extraction in patients older than 40 years with preoperative asymmetric astigmatism...
March 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29698993/evolution-of-keratoconus-from-diagnosis-to-therapeutics
#6
Lauren Marie Imbornoni, Charles Ninian John McGhee, Michael Wellington Belin
This review describes the evolution of the diagnosis and treatment of keratoconus from the earliest written description to present day. The first description was provided in 1736 by Benedict Duddell who described the prominent corneas of a fourteen-year-old boy. Throughout the 19th century, a variety of surgical procedures were proposed to manage the disease, such as surgically repositioning the pupil away from the cone, iris incarceration to produce a slit-like pupil, cauterization of the cone to produce a scar, and full thickness elliptical excision of the cone...
April 26, 2018: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29675396/comment-on-post-photorefractive-keratectomy-corneal-ectasia
#7
David O'Brart
No abstract text is available yet for this article.
2018: International Journal of 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/29605283/patient-satisfaction-with-epithelium-off-corneal-crosslinking
#9
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/29573858/-evaluation-of-the-quality-of-life-of-patients-fitted-with-scleral-lenses-using-a-moroccan-version-of-nei-vfq-25
#10
M Baali, S Belghmaidi, H Ahammou, S Belgadi, I Hajji, A Moutaouakil
PURPOSE: To evaluate the contribution of scleral lenses in terms of improving quality of life and vision. METHODS: We conducted a retrospective study of the quality of life (QOL) of patients fitted with scleral lenses, between November 2015 and November 2016 in the Marrakech university hospital department of ophthalmology. QOL was assessed before and after scleral lens (ICD) adaptation using a version of the National Eye Institute Visual Function Questionnaire 25 translated into the Moroccan dialect of Arabic...
March 21, 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29561408/keratectasia-after-laser-assisted-subepithelial-keratectomy-for-myopia-a-case-report
#11
Qinghong Lin, Lin Zheng, Xiumei Lin, Qian Wang
RATIONALE: Recently, some ophthalmologists performed PRK or LASEK surgeries in FFKC suspicious patients, which is supposed to prevent FFKC evolvement via fibrotic scar formation. Our report indicates that keratectasia can occur after LASEK in FFKC suspicious patients, highlighting the importance of stricter regulation of patient recruitment before the procedure and postoperative follow-up. PATIENT CONCERNS: This is a report of a 25-year-old man with poor corrected distance visual acuity (CDVA) 6 years after LASEK...
March 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29551887/bowman-s-layer-transplantation-evidence-to-date
#12
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/29486755/partial-regression-of-large-anterior-scleral-staphyloma-secondary-to-rhinosporidiosis-after-corneoscleral-graft-a-case-report
#13
Elaine Fiod Costa, Luciano Moreira Pinto, Marcos Adriano Garcia Campos, Thais Mota Gomes, Gyl Eanes Barros Silva
BACKGROUND: Rhinosporidiosis is a rare chronic infection of the mucous membranes caused by the Rhinosporidium seeberi. Approximately 15% of cases of rhinosporidiosis are ocular, occurring mainly in the tarsal conjunctiva. There are only 11 cases of scleral melt with staphyloma formation associated with bulbar conjuctival oculosporidiosis and none of them was associated with partial regression of the scleral ectasia after a corneoscleral tectonic graft. CASE PRESENTATION: a 13-year-old girl with a progressively increasing black mass in the upper nasal part above the cornea of the left eye...
February 27, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29425812/assessment-of-the-prosthetic-replacement-of-ocular-surface-ecosystem-prose-scleral-lens-on-visual-acuity-for-corneal-irregularity-and-ocular-surface-disease
#14
Andres S Parra, Bryan M Roth, Taylor M Nguyen, Li Wang, Stephen C Pflugfelder, Zaina Al-Mohtaseb
PURPOSE: To describe changes in visual acuity in patients fit with the Prosthetic Replacement of Ocular Surface Ecosystem (PROSE) with irregular corneas compared to those with ocular surface disease, as well as describe patient demographics and fitting indications for PROSE at an academic medical center. METHODS: A retrospective chart review from 2010 to 2016 on a total of 825 eyes from 493 patients fitted with a PROSE lens, and grouped by etiology, either irregular cornea/dystrophy or ocular surface disease and associated sub-etiologies...
April 2018: Ocular Surface
https://www.readbyqxmd.com/read/29403606/outcomes-of-photorefractive-keratectomy-in-patients-with-atypical-topography
#15
Hossein Movahedan, Ehsan Namvar, Mohsen Farvardin
Background: Photorefractive keratectomy (PRK) is at risk of serious complications such as corneal ectasia, which can reduce corrected distance visual acuity. The rate of complications of PRK is higher in patients with atypical topography. Objective: To determine the outcomes of photorefractive keratectomy in patients with atypical topography. Methods: This cross-sectional study was done in 2015 in Shiraz in Iran. We included 85 eyes in this study...
November 2017: Electronic Physician
https://www.readbyqxmd.com/read/29384807/an-early-finding-of-keratoconus-increase-in-corneal-densitometry
#16
Mustafa Koc, Kemal Tekin, Merve Inanc Tekin, Mehmet Murat Uzel, Pinar Kosekahya, Kemal Ozulken, Pelin Yilmazbas
PURPOSE: To investigate the corneal densitometry in subclinical keratoconus with normal elevation and pachymetric parameters. METHODS: Patients with clinical keratoconus in one eye and subclinical keratoconus in the fellow eye were identified. The study group was selected from patients with subclinical keratoconus who showed normal results from topographic and Belin-Ambrósio Enhanced Ectasia Display III (BAD) analysis (Kmean <47.2 diopters, inferior-superior asymmetry <1...
May 2018: Cornea
https://www.readbyqxmd.com/read/29339637/corneal-collagen-crosslinking-combined-with-phototherapeutic-keratectomy-and-photorefractive-keratectomy-for-corneal-ectasia-after-laser-in-situ-keratomileusis
#17
Wei Zhu, Yunfei Han, Changxia Cui, Wenwen Xu, Xuan Wang, Xiaoxiao Dou, Linlin Xu, Yanyun Xu, Guoying Mu
PURPOSE: The aim of this study was to analyze the effects of corneal crosslinking (CXL) combined with phototherapeutic keratectomy (PTK) and photorefractive keratectomy (PRK) in halting the progression and improving the visual function of corneal ectasia after laser in situ keratomileusis (LASIK). METHODS: PTK-PRK-CXL was performed on 14 eyes of 14 patients who developed corneal ectasia after LASIK. The visual acuity, spherical refraction and cylinder, corneal topography indices, thinnest corneal thickness (TCT), and endothelial cell count were evaluated at baseline and at 1, 3, 6, and 12 months postoperatively...
2018: Ophthalmic Research
https://www.readbyqxmd.com/read/29260121/late-extrusion-of-intrastromal-corneal-ring-segments-a-report-of-two-cases
#18
Julius T Oatts, Louis Savar, David G Hwang
Purpose: To report two cases of patients with late extrusion following uneventful implantation of intrastromal corneal ring segments (ICRS) for myopia. Observations: Two patients with previously implanted ICRS for low myopia presented with spontaneous onset of extrusion of their ICRS, one at 7 years post-operatively and the other at 17 and 20 years. Both cases underwent explantation and maintained excellent best-corrected visual acuity. These cases represent the longest reported intervals between implantation of the ICRS and subsequent extrusion...
December 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29259313/tuck-in-lamellar-keratoplasty-with-an-lenticule-obtained-by-small-incision-lenticule-extraction-for-treatment-of-post-lasik-ectasia
#19
Yang Jiang, Ying Li, Shan Yang, Thomas Chengxuan Lu
Corneal ectasia is a rare but serious post-operative complication of LASIK. Our main aim was to describe and evaluate the efficacy and safety of tuck-in lamellar keratoplasty with an lenticule obtained by SMILE for treatment of Post LASIK Ectasia. Tuck-in lamellar keratoplasty was performed on three post-LASIK cornea ectasia patients (three eyes) with central corneal thickness less than 400 µm. Each patient was monitored for at least 12 months. Our primary outcomes measured pre and post-operatively included: Anterior segment optical coherence tomography(AS-OCT), corneal topography and monitored by slit-lamp microscopy...
December 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29251814/early-visual-outcomes-and-optical-quality-after-femtosecond-laser-small-incision-lenticule-extraction-for-myopia-and-myopic-astigmatism-correction-of-over-10-dioptres
#20
Bing Qin, Meiyan Li, Xun Chen, Walter Sekundo, Xingtao Zhou
PURPOSE: To investigate early visual and refractive outcomes, corneal stability and optical quality after femtosecond laser small-incision lenticule extraction (SMILE) for treating myopia and myopic astigmatism over -10 D. METHODS: Thirty eyes (30 patients) with myopia and myopic astigmatism of over -10 D were treated with VisuMax® femtosecond laser (version 3.0; Carl Zeiss Meditec AG, Jena, Germany). Six months postoperative safety, efficacy and predictability were evaluated...
December 18, 2017: Acta Ophthalmologica
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