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Dry eye refractive surgery

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https://www.readbyqxmd.com/read/30089184/topography-guided-custom-photorefractive-keratectomy-for-myopia-in-primary-eyes-with-the-wavelight-ex500-platform
#1
Fernando Faria-Correia, Sara Ribeiro, Tiago Monteiro, Bernardo T Lopes, Marcella Q Salomão, Renato Ambrósio
PURPOSE: To evaluate the outcomes after topography-guided ablation treatment (T-CAT) for the correction of myopia and myopic astigmatism with photorefractive keratectomy (PRK). METHODS: This was a retrospective, non-comparative case series study of 25 patients (40 eyes) with low to moderate myopia with or without astigmatism who underwent topography-guided custom PRK with the Wave-Light EX500 excimer laser platform (Alcon Laboratories, Inc., Fort Worth, TX). The customized treatment plan was based on Topolyzer Vario topography system (Alcon Laboratories, Inc...
August 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29959753/initial-single-site-surgical-experience-with-smile-a-comparison-of-results-to-fda-smile-and-the-earliest-and-latest-generation-of-lasik
#2
Majid Moshirfar, Michael S Murri, Tirth J Shah, Steven H Linn, Yasmyne Ronquillo, Orry C Birdsong, Phillips C Hoopes
INTRODUCTION: The primary objective was to show our initial surgical single-site experience with small incision lenticule extraction (SMILE) after the official enrollment in March 2017 following Food and Drug Administration (FDA) approval for simple myopia in late 2016 in the United States and, subsequently, compare our results to the earliest and most advanced generation of excimer platforms for laser-assisted in situ keratomileusis (LASIK) surgery. METHODS: This was a retrospective single-site study of 68 eyes from 35 patients who had SMILE surgery...
June 29, 2018: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/29914764/smile-small-incision-lenticule-extraction-among-the-corneal-refractive-surgeries-in-2018
#3
REVIEW
A Chiche, L Trinh, C Baudouin, A Denoyer
Refractive surgery is a field in constant evolution. In recent years, a new procedure has appeared under the name SMILE (SMall Incision Lenticule Extraction). This technique, carried out solely with a femtosecond laser, should make it possible to better preserve corneal innervation and biomechanics. After a detailed review of the technique itself, we then focus on the scientific evidence for the safety and efficacy of SMILE and its current indications. Advantages of SMILE will be discussed in comparison to the conventional techniques, particularly concerning dry eye and the risk of corneal ectasia related to LASIK...
June 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29844658/evaluation-of-femtosecond-laser-in-flap-and-cap-creation-in-corneal-refractive-surgery-for-myopia-a-3-year-follow-up
#4
Mohamed Nagy Elmohamady, Walid Abdelghaffar, Ahmed Daifalla, Tamer Salem
Purpose: To evaluate femtosecond laser in flap and cap creation, detect some corneal biomechanical changes, and evaluate dry eye after laser in situ keratomileusis (LASIK), Femto-LASIK, and small incision lenticule extraction (SMILE) with 3-year follow-up. Patients and methods: Preoperative evaluation taken: full ophthalmic examination, Pentacam, ocular response analyzer, ocular surface disease index (OSDI), and tear breakup time (TBUT). LASIK flap was created using Moria microkeratome in 30 eyes (LASIK group) and using VisuMax femtosecond laser in 38 eyes (FS-LASIK group) and SMILE was done by VisuMax in 35 eyes (SMILE group)...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29782336/a-review-of-small-incision-lenticule-extraction-complications
#5
REVIEW
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)...
July 2018: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/29675272/topical-osmoprotectant-for-the-management-of-postrefractive-surgery-induced-dry-eye-symptoms-a-randomised-controlled-double-blind-trial
#6
R M Hazarbassanov, N G T Queiroz-Hazarbassanov, J N Barros, J A P Gomes
Background: Dry eye disease (DED) is one of the most common complications following refractive surgery. Purpose: Evaluate the efficacy of an osmoprotective eye drop (Optive®) for the management of induced DED in refractive surgery patients. Design: Double-masked randomised controlled trial. Methods: Twenty-two refractive surgery patients oriented to apply FreshTears (FT; n = 13) or Optive (Op; n = 9), topically, QID, for 3 months...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/29600182/three-year-results-of-small-incision-lenticule-extraction-and-wavefront-guided-femtosecond-laser-assisted-laser-in-situ-keratomileusis-for-correction-of-high-myopia-and-myopic-astigmatism
#7
Li-Kun Xia, Jing Ma, He-Nan Liu, Ce Shi, Qing Huang
AIM: To compare and calculate the 3-year refractive results, higher-order aberrations (HOAs), contrast sensitivity (CS) and dry eye parameters after small incision lenticule extraction (SMILE) and wavefront-guided femtosecond laser-assisted laser in situ keratomileusis (FS-LASIK) for correction of high myopia and myopic astigmatism. METHODS: In this prospective, non-randomized comparative study, 78 eyes with spherical equivalent (SE) of -8.11±1.09 diopters (D) received a SMILE surgery, and 65 eyes with SE of -8...
2018: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29504953/epidemiology-of-persistent-dry-eye-like-symptoms-after-cataract-surgery
#8
Eugenia Iglesias, Ravin Sajnani, Roy C Levitt, Constantine D Sarantopoulos, Anat Galor
PURPOSE: To evaluate the frequency and risk factors for persistent postsurgical pain (PPP) after cataract surgery, defined as mild or greater dry eye (DE)-like symptoms 6 months after surgery. METHODS: This single-center study included 86 individuals who underwent cataract surgery between June and October 2016 and had DE symptom information available 6 months after surgery. Patients were divided into 2 groups: controls were defined as those without DE symptoms 6 months after surgery (defined by a Dry Eye Questionnaire 5 (DEQ5) score <6), cases were defined as those with mild or greater DE-like symptoms 6 months after surgery (DEQ5 ≥6)...
July 2018: Cornea
https://www.readbyqxmd.com/read/29283117/refractive-lenticule-extraction-small-incision-lenticule-extraction-a-new-refractive-surgery-paradigm
#9
REVIEW
Sri Ganesh, Sheetal Brar, Raghavender Reddy Arra
Small incision lenticule extraction (SMILE), a variant of refractive lenticule extraction technology is becoming increasingly popular, as a flapless and minimally invasive form of laser vision correction (LVC) for the treatment of myopia and myopic astigmatism. This review aims at summarizing the principles, surgical technique, and clinical outcomes in terms of visual and refractive results, safety, efficacy, postoperative dry eye, aberrations, and biomechanics of SMILE and its comparison with other conventional techniques of LVC, such as laser in situ keratomileusis (LASIK) and photorefractive keratectomy (PRK)...
January 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29182030/biomarkers-of-ocular-surface-disease-using-impression-cytology
#10
REVIEW
Suzanne Hagan
Impression cytology (IC) is a technique which permits the retrieval of the outermost layer of ocular surface cells via the use of various types of filters. It is a minimally invasive method of evaluating human conjunctival epithelial cell morphology in the diagnosis of dry eye disease, a common and distressing disorder associated with ageing, contact lens wear, autoimmune disorders and refractive (LASIK) surgery. IC may also be utilized in the diagnosis of other ocular diseases, such as keratoconus and thyroid orbitopathy...
December 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/29102130/early-clinical-outcomes-after-small-incision-lenticule-extraction-surgery-smile
#11
Alberto Recchioni, Andreas Hartwig, Jay Dermott, Sundeep Vaswani, Jay Bhatt, Robert Morris, Clare O'Donnell
PURPOSE: Dry eye is known to impact on clinical outcomes after laser vision correction and the use of a newer 'all femtosecond laser' surgical approach may be associated with less impact on the ocular surface post-operatively. The purpose of this study was to evaluate the early clinical outcomes and tear instability after the first small incision lenticule extraction (SMILE) cases undertaken by three surgeons at a single site in the UK. METHODS: Retrospective audit...
February 2018: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28983894/consecutive-case-series-of-244-age-related-macular-degeneration-patients-undergoing-implantation-with-an-extended-macular-vision-iol
#12
Muhammad A Qureshi, Scott J Robbie, Fritz H Hengerer, Gerd U Auffarth, Ina Conrad-Hengerer, Pablo Artal
PURPOSE: To determine safety and visual outcomes in eyes with age-related macular degeneration (AMD) implanted with a novel intraocular lens (IOL) that delivers an optimized retinal image to all macular areas within 10 degrees of retinal eccentricity. METHODS: This was a consecutive case series of 244 eyes with dry/stable wet AMD and logMAR visual acuity ≥0.3 implanted with iolAMD Eyemax monoTM (London Eye Hospital Pharma), a single-piece, injectable, hydrophobic acrylic IOL sited in the capsular bag...
March 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28736341/tfos-dews-ii-iatrogenic-report
#13
REVIEW
José Alvaro P Gomes, Dimitri T Azar, Christophe Baudouin, Nathan Efron, Masatoshi Hirayama, Jutta Horwath-Winter, Terry Kim, Jodhbir S Mehta, Elisabeth M Messmer, Jay S Pepose, Virender S Sangwan, Alan L Weiner, Steven E Wilson, James S Wolffsohn
Dry eye can be caused by a variety of iatrogenic interventions. The increasing number of patients looking for eye care or cosmetic procedures involving the eyes, together with a better understanding of the pathophysiological mechanisms of dry eye disease (DED), have led to the need for a specific report about iatrogenic dry eye within the TFOS DEWS II. Topical medications can cause DED due to their allergic, toxic and immuno-inflammatory effects on the ocular surface. Preservatives, such as benzalkonium chloride, may further aggravate DED...
July 2017: Ocular Surface
https://www.readbyqxmd.com/read/28671403/refractive-eye-surgery-helping-patients-make-informed-decisions-about-lasik
#14
REVIEW
John M Wilkinson, Elizabeth W Cozine, Amir R Kahn
A variety of refractive surgery techniques, which reshape the corneal stroma using laser energy, have been marketed as simple and safe alternatives to glasses or contact lenses. Laser-assisted in-situ keratomileusis (LASIK) is the most common of these procedures. Although there are few high-quality prospective studies of long-term outcomes, complications, or stability for refractive surgery procedures, there is at least general agreement that more than 90% of appropriately selected patients achieve excellent uncorrected distance vision...
May 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/28576215/effect-of-dry-eye-on-scheimpflug-imaging-of-the-cornea-and-elevation-data
#15
Leyla Asena, Dilek D Altınörs, Şefik Cezairlioğlu, Sefer Ogün Bölük
OBJECTIVE: To evaluate the effect of dry eye on Scheimpflug imaging of the cornea and elevation data. DESIGN: Prospective observational study. PARTICIPANTS: Scheimpflug images of 50 patients with dry eye who were being tested for eligibility for corneal refractive surgery were screened. Twelve eyes of 12 patients with abnormal Belin/Ambrosio enhanced ectasia display (BAD) anterior elevation difference were included in the study. The patients had no history of contact lens wear or any other sign of ectasia...
June 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28420926/femto-lasik-the-recent-innovation-in-laser-assisted-refractive-surgery
#16
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/28260857/corneal-thickness-in-dry-eyes-in-an-iraqi-population
#17
Noora Mauwafak Ali, Furkaan M Hamied, Qasim K Farhood
BACKGROUND: Dry eye disorder is a multifactorial disease of the tears and ocular surface that results in discomfort and visual disturbance. Corneal pachymetry becomes increasingly important in refractive surgery, for the accurate assessment of intraocular pressure, and in the preoperative assessment of other ocular surgeries. PURPOSE: To assess the effect of dry eye disorder on the central corneal thickness (CCT) by comparing with CCT of normal eyes of age-matched individuals...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28258973/rapid-automated-mosaicking-of-the-human-corneal-subbasal-nerve-plexus
#18
Yash J Vaishnav, Stuart A Rucker, Keshav Saharia, Nancy A McNamara
Corneal confocal microscopy (CCM) is an in vivo technique used to study corneal nerve morphology. The largest proportion of nerves innervating the cornea lie within the subbasal nerve plexus, where their morphology is altered by refractive surgery, diabetes and dry eye. The main limitations to clinical use of CCM as a diagnostic tool are the small field of view of CCM images and the lengthy time needed to quantify nerves in collected images. Here, we present a novel, rapid, fully automated technique to mosaic individual CCM images into wide-field maps of corneal nerves...
November 27, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28256362/effect-of-pulsed-laser-light-in-patients-with-dry-eye-syndrome
#19
S Guilloto Caballero, J L García Madrona, E Colmenero Reina
OBJECTIVES: The objective of this study was to determine the clinical benefits of pulsed light therapy for the treatment of Dry Eye Syndrome (DES) due to the decrease in aqueous tear production (aqueous deficient DES) and/or excessive tear evaporation (evaporative DES) due to Meibomian Gland Dysfunction (MGD). METHODS: A study was conducted on 72 eyes corresponding to 36 patients with DES. Out of these 72 eyes, 60 underwent refractive surgery (48 with femtosecond laser, 6 were operated with a mechanical microkeratome, and 6 with refractive photo-keratectomy[RPK], 6 treated with phacoemulsification, and 6 with no previous surgical treatment...
November 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28235010/early-wound-healing-and-refractive-response-of-different-pocket-configurations-following-presbyopic-inlay-implantation
#20
Aris Konstantopoulos, Yu-Chi Liu, Ericia Pei Wen Teo, Nyein Chan Lwin, Gary Hin Fai Yam, Jodhbir S Mehta
BACKGROUND: Presbyopic inlays have mostly been implanted under a corneal flap. Implantation in a pocket has advantages including less postoperative dry eye and neurotrophic effect, and better biomechanical corneal stability. This study investigated the effect of different pocket and flocket dimensions on corneal stability and refractive power after Raindrop™ implantation, and the associated wound healing response. METHODOLOGY: Ten New Zealand White rabbits had bilateral pocket Raindrop™ implantation...
2017: PloS One
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