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Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association

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https://www.readbyqxmd.com/read/28325632/current-optometric-practices-and-attitudes-in-keratoconus-patient-management
#1
Sara Ortiz-Toquero, Raul Martin
PURPOSE: To compare the current optometric practices and attitudes in the management of keratoconus patients in the UK and Spain. METHODS: An online survey (adapted to optometric practices) was distributed via a newsletter emailed by various professional organizations in the UK and Spain. RESULTS: Four hundred and sixty-four practitioners (126 in the UK; 338 in Spain) who prescribed gas permeable GP contact lenses (CLs) more than once per month (54...
March 18, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28292574/effect-of-lipid-based-dry-eye-supplements-on-the-tear-film-in-wearers-of-eye-cosmetics
#2
Michael T M Wang, Irene Sung Hee Cho, Soo Hee Jung, Jennifer P Craig
PURPOSE: To compare the effects on tear film parameters and contamination in cosmetic eyeliner wearers, after single application of two lipid-based dry eye treatments: a lipid-containing lubricant eye drop and a phospholipid liposomal spray. METHODS: Fifty participants were enrolled in a prospective, randomised, paired-eye, investigator-masked trial. Pencil eyeliner (Body Shop(®) Crayon Eye Definer) was applied to the upper eyelid periocular skin of both eyes, anterior to the lash line...
March 11, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28236528/the-nature-and-consequence-of-vitronectin-interaction-in-the-non-compromised-contact-lens-wearing-eye
#3
Manpreet Cooner, Aisling Mann, Brian Tighe
PURPOSE: The aim of this work was to investigate the locus and extent of vitronectin (Vn) deposition on ex vivo contact lenses and to determine the influence of wear modality together with surface and bulk characteristics of the lens material. METHODS: The quantity and location of Vn deposition on the surfaces of contact lens materials was investigated using a novel on-lens cell attachment assay technique. RESULTS: Vn mapping showed that deposition resulted from lens-corneal interaction rather than solely from the tear film...
February 21, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28215499/near-binocular-visual-function-in-young-adult-orthokeratology-versus-soft-contact-lens-wearers
#4
Kate Gifford, Paul Gifford, Peter L Hendicott, Katrina L Schmid
PURPOSE: To compare near point binocular vision function of young adult myopes wearing orthokeratology (OK) lenses to matched single vision soft disposable contact lens (SCL) wearers. METHODS: A retrospective clinical record analysis of all OK wearers (18-30 years) presenting over an 18 month period was undertaken. Data was extracted for 17 OK wearers, with 17 SCL wearers matched for age, refractive error and duration of contact lens wear. Binocular vision data included horizontal phoria (phoria), horizontal base-in (BIFR) and base-out fusional reserves (BOFR) and accommodation accuracy (AA)...
February 15, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28173986/minimising-instilled-volume-reduces-the-impact-of-fluorescein-on-clinical-measurements-of-tear-film-stability
#5
Jennifer K Mooi, Michael T M Wang, Joevy Lim, Andreas Müller, Jennifer P Craig
PURPOSE: To compare clinical tear film break-up time measurements obtained non-invasively, with those measured following minimal and conventional volumes of fluorescein instillation. METHODS: Forty-one subjects (20 male, 21 female, mean±SD age 34±11years), with or without dry eye, participated in a prospective cross-over study. Tear film break-up time was measured by the Tearscope Plus™ with fine grid insert. Measurements were made in triplicate, with no fluorescein instillation (NIBUT), then following application of a minimal volume of 1μl fluorescein from the Dry Eye Test™ (mTBUT), and finally with 15-30μl of fluid instilled via a conventional fluorescein strip (TBUT)...
February 4, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28118996/activity-of-a-melimine-derived-peptide-mel4-against-stenotrophomonas-delftia-elizabethkingia-burkholderia-and-biocompatibility-as-a-contact-lens-coating
#6
Debarun Dutta, Timothy Zhao, Kai Bing Cheah, Larke Holmlund, Mark D P Willcox
PURPOSE: To determine the antimicrobial activity of the melimine derived peptide Mel4 against Delftia, Stenotrophomonas, Elizabethkingia, Burkholderia and to investigate biocompatibility of Mel4 as an antimicrobial coating on contact lenses in animals and humans. METHODS: In vitro antimicrobial activity of Mel4 was determined against the four Gram negative bacteria by investigating growth curves for 24h followed by viable counts to determine the minimum inhibitory concentration (MIC)...
January 21, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28073689/corneo-scleral-contact-lens-in-a-piggyback-system-for-keratoconus-a-case-report
#7
Esteban Porcar, Juan Carlos Montalt, Enrique España-Gregori, Cristina Peris-Martínez
PURPOSE: We describe a case of fitting a corneo-scleral contact lens with a multi-aspheric geometry design (MAGD CScL) on top of a daily silicone hydrogel lens (piggyback system) for keratoconus management. METHODS: A 48-year-old man using soft toric contact lenses required an improvement in the unsatisfactory quality of his vision. He presented with bilateral asymmetric keratoconus with high myopia in the right eye (RE) and severe myopia in the left eye (LE). In addition, he had low vision in his LE because of a maculopathy...
January 7, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28089075/conjunctival-impression-cytology-evaluation-of-patients-with-dry-eye-disease-using-scleral-contact-lenses
#8
Sarah La Porta Weber, Rossen Mihaylov Hazarbassanov, Alex Nasaré, José Álvaro Pereira Gomes, Ana Luisa Hofling-Lima
PURPOSE: To evaluate conjunctival impression cytology and HLADR expression changes after wearing scleral contact lenses (ScCLs) for moderate to severe dry eye disease (DED). DESIGN: Prospective interventional case series. METHODS: Forty-one eyes from 25 patients with moderate to severe DED were evaluated for Esclera ScCL treatment. Best-corrected visual acuity (BCVA) and slit-lamp findings were assessed. Impression cytology specimens were obtained from DED patients at the baseline and after wearing ScCLs for 12 months...
January 6, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28057440/new-web-based-algorithm-to-improve-rigid-gas-permeable-contact-lens-fitting-in-keratoconus
#9
Sara Ortiz-Toquero, Guadalupe Rodriguez, Victoria de Juan, Raul Martin
PURPOSE: To calculate and validate a new web-based algorithm for selecting the back optic zone radius (BOZR) of spherical gas permeable (GP) lens in keratoconus eyes. METHODS: A retrospective calculation (n=35; multiple regression analysis) and a posterior prospective validation (new sample of 50 keratoconus eyes) of a new algorithm to select the BOZR of spherical KAKC design GP lenses (Conoptica) in keratoconus were conducted. BOZR calculated with the new algorithm, manufacturer guidelines and APEX software were compared with the BOZR that was finally prescribed...
January 2, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28038841/discontinuation-of-orthokeratology-on-eyeball-elongation-doee
#10
P Cho, S W Cheung
PURPOSE: To evaluate and compare changes in axial elongation, over a 14-month period, in subjects who discontinued and then resumed ortho-k lens wear with those who continued to wear their lenses or spectacles following a 2-year myopia control study. METHOD: This single masked, prospective study recruited subjects who had just completed a 2-year myopia control study. Ortho-k subjects were classified as Group OKc, in which subjects continued ortho-k lens wear for the duration of the study; or Group OKd in which subjects discontinued lens wear for seven months and wore single-vision spectacles (Phase I) and then resumed ortho-k lens wear for another seven months (Phase II)...
December 27, 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28292445/a-quick-look%C3%A2
#11
EDITORIAL
Shehzad Naroo
No abstract text is available yet for this article.
April 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28292444/corrigendum-to-effect-of-orbital-protrusion-and-vertical-interpalpebral-distance-on-pterygium-formation-contact-lens-and-anterior-eye-37-2014-153-156
#12
Hasan Altinkaynak, Ali Demircan, Can Kocasarac, Necip Kara, Hüseyin Dundar, Çiğdem Altan, Ahmet Demirok
No abstract text is available yet for this article.
April 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28041579/eins-zwei-drei-a-german-s-perspective-on-dry-eye-numbers-in-the-world
#13
EDITORIAL
Wolfgang Sickenberger
No abstract text is available yet for this article.
February 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27908604/compatibility-of-phospholipid-liposomal-spray-with-silicone-hydrogel-contact-lens-wear
#14
RANDOMIZED CONTROLLED TRIAL
Michael T M Wang, Kalaivarny Ganesalingam, Chee Seang Loh, Trisha Alberquerque, Suhaila Al-Kanani, Stuti L Misra, Jennifer P Craig
PURPOSE: To assess the effects of two weeks of regular phospholipid liposomal spray application on lipid layer grade, tear film stability, subjective comfort, visual acuity, and lipid deposition in silicone hydrogel contact lens wearers. METHODS: Thirty-one existing contact lens wearers were enrolled and fitted with two week planned replacement silicone hydrogel contact lenses (Acuvue(®) Oasys(®)) in a prospective, randomized, paired-eye, investigator-masked trial...
February 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27884617/trans-advanced-surface-laser-ablation-transprk-outcomes-using-smartpulsetechnology
#15
COMPARATIVE STUDY
Ioannis M Aslanides, George D Kymionis
PURPOSE: To evaluate early visual rehabilitation, post-operative pain, epithelial healing and haze after transepithelial photorefractive keratectomy (TransPRK) using the SmartPulseTechnology (SPT) of Schwind Amaris (Schwind eye-tech-solutions GmbH, Kleinostheim, Germany). METHODS: This was a retrospective comparative evaluation of a cohort of myopic patients undergoing TransPRK with SPT (group 1), with one matched control group that underwent conventional TransPRK (group 2)...
February 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27876528/the-impact-of-lens-care-solutions-on-corneal-epithelial-changes-during-daily-silicone-hydrogel-contact-lens-wear-as-measured-by-in-vivo-confocal-microscopy
#16
RANDOMIZED CONTROLLED TRIAL
Xiaolin Zhang, Christine Marchetti, Jessica Lee, Yan Sun, Sara Debanne, Ying Jiang, Jami Kern, Mark Harrod, Beth Ann Benetz, Eric Pearlman, Loretta Szczotka-Flynn
PURPOSE: To assess corneal epithelial microstructure via confocal microscopy and determine if cellular changes are associated with lens care solutions during daily wear of silicone hydrogel contact lenses. METHODS: Corneal in vivo confocal microscopy with the Nidek ConfoScan4 was performed at baseline and after 5 months of lotrafilcon A daily contact lens wear. Enrolled participants were randomized to use either a polyhexamethylene biguanide (PHMB) preserved multipurpose care solution (MPS) or a peroxide based solution system...
February 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27863894/precise-measurement-of-scleral-radius-using-anterior-eye-profilometry
#17
Danilo A Jesus, Renata Kedzia, D Robert Iskander
PURPOSE: To develop a new and precise methodology to measure the scleral radius based on anterior eye surface. METHODS: Eye Surface Profiler (ESP, Eaglet-Eye, Netherlands) was used to acquire the anterior eye surface of 23 emmetropic subjects aged 28.1±6.6years (mean±standard deviation) ranging from 20 to 45. Scleral radius was obtained based on the approximation of the topographical scleral data to a sphere using least squares fitting and considering the axial length as a reference point...
February 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27818113/factors-in-the-success-of-new-contact-lens-wearers
#18
Anna Sulley, Graeme Young, Chris Hunt
PURPOSE: To determine the first-year retention rate for patients fitted with contact lenses (CLs) and identify factors associated with retention and dropout. METHODS: This multi-site study was a retrospective chart review of the status of neophyte CL wearers fitted in representative UK eye care practices. RESULTS: Consecutive records for 524 patients at 29 sites were reviewed. Mean age at dispensing was 34 years (range 8-79), 68% were under 45 years and 61% female...
February 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27802912/systematic-review-comparing-penetrating-keratoplasty-and-deep-anterior-lamellar-keratoplasty-for-management-of-keratoconus
#19
REVIEW
Christin Henein, Mayank A Nanavaty
AIM: Perception of reduced incidence of graft rejection after deep anterior lamellar keratoplasty (DALK) has attracted many surgeons towards this technique in keratoconus. This review aims to compare the visual, refractive and graft outcomes after penetrating keratoplasty (PK) and DALK for keratoconus. METHODS: Electronic searches of PubMed, MEDLINE, EMBASE, Latin American and Caribbean Health Sciences Literature database (LILACS), metaRegister of Controlled Trials (mRCT), ClinicalTrial...
February 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27693238/synthesis-and-characterization-of-nanosilver-silicone-hydrogel-composites-for-inhibition-of-bacteria-growth
#20
F M Helaly, S M El-Sawy, A I Hashem, A A Khattab, R M Mourad
PURPOSE: Nanosilver-silicone hydrogel (NAgSiH) composites for contact lenses were synthesized to asses the antimicrobial effects. METHODS: Silicone hydrogel (SiH) films were synthesized followed by impregnation in silver nitrate solutions (10, 20, 30, 40, 60, 80ppm) and in-situ chemical reduction of silver ions using sodium borohydride (NaBH4). The silver nano particles (AgNPS) were identified by UV-vis absorption spectroscopy, Energy-dispersive X-ray spectroscopy (EDX) mapping and EDX spectrum...
February 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
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