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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/27908604/compatibility-of-phospholipid-liposomal-spray-with-silicone-hydrogel-contact-lens-wear
#1
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...
November 28, 2016: 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
#2
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)...
November 21, 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27884616/mechanical-properties-of-contact-lenses-the-contribution-of-measurement-techniques-and-clinical-feedback-to-50-years-of-materials-development
#3
REVIEW
Tarnveer Singh Bhamra, Brian J Tighe
PURPOSE: This review summarises the way in which mechanical property measurements combined with clinical perception have influenced the last half century of materials evolution in contact lens development. METHODS: Literature concerning the use of in-vitro testing in assessment of the mechanical behaviour of contact lenses, and the mutual deformation of the lens material and ocular tissue was examined. Tensile measurements of historic and available hydrogel lenses have been collected, in addition to manufacturer-generated figures for the moduli of commercial silicone hydrogel lenses...
November 21, 2016: 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
#4
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...
November 19, 2016: 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
#5
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...
November 15, 2016: 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
#6
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...
November 3, 2016: 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
#7
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...
October 29, 2016: 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
#8
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...
September 29, 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27671981/health-beliefs-affect-the-correct-replacement-of-daily-disposable-contact-lenses-predicting-compliance-with-the-health-belief-model-and-the-theory-of-planned-behaviour
#9
Stefano Livi, Fabrizio Zeri, Rossella Baroni
PURPOSE: To assess the compliance of Daily Disposable Contact Lenses (DDCLs) wearers with replacing lenses at a manufacturer-recommended replacement frequency. To evaluate the ability of two different Health Behavioural Theories (HBT), The Health Belief Model (HBM) and The Theory of Planned Behaviour (TPB), in predicting compliance. METHOD: A multi-centre survey was conducted using a questionnaire completed anonymously by contact lens wearers during the purchase of DDCLs...
September 23, 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27646285/a-sixteen-year-survey-of-canadian-contact-lens-prescribing
#10
Deborah Jones, Craig Woods, Lyndon Jones, Nathan Efron, Philip Morgan
PURPOSE: To understand long-term contact lens prescribing habits of Canadian optometrists. METHODS: One thousand optometrists were surveyed annually from 2000 to 2015. Information was requested on the first ten patients examined after receiving the survey. RESULTS: Over the 16-year survey period, 1987 optometrists provided information on 19,143 patients. Mean age of the patients was 32.7±14.4years. Ratio of females to males was 2:1, the ratio of new fits to refits was 2:3...
September 16, 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27863717/finding-routes-towards-understanding-and-the-successful-correction-of-presbyopia
#11
EDITORIAL
Fabrizio Zeri, Shehzad Naroo
No abstract text is available yet for this article.
December 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27639017/international-flavours
#12
EDITORIAL
Shehzad A Naroo
No abstract text is available yet for this article.
October 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27503126/rehabilitation-of-atrophic-anophthalmic-cavity-with-orthostatic-ocular-prosthesis-a-clinical-report
#13
C F Amaral, J M Cordeiro, T C S Emídio, A G C Presotto, C M R Barbosa
The absence of the eyeball can generate psychosocial and facial harmony changes, such as atrophy of the muscles around it. In these cases, the use of an orthostatic prosthesis with expanding function fosters distension of the tissues for subsequent rehabilitation. This technique consists of making individual ocular prostheses with gradual enlargement of size. The aim of this following clinical report was to describe the technique used in the standing prosthetic rehabilitation of a patient, 73 years old, who underwent enucleation of the right eye as a result of glaucoma...
October 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27478053/a-novel-scoring-system-for-distinguishing-keratoconus-from-normal-eyes
#14
Faik Oruçoğlu, Ebru Toker
PURPOSE: To evaluate the accuracy of a novel scoring system in differentiation of keratoconus (KC) eyes from normal eyes using a Scheimpflug camera system tomography. SETTING: Marmara University Hospital, Istanbul, Turkey and Birinci Eye Hospital, Istanbul, Turkey. DESIGN: Retrospective case-control study. METHODS: The study included 624 keratoconus eyes and 512 healthy eyes. Thirty nine significant parameters obtained from the Scheimpflug imaging system (Pentacam-Oculus Optikgeräte GmbH, Wetzlar, Germany) were studied...
October 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27422576/disposable-lens-risk-factors-and-posterior-lens-surface-contamination
#15
LETTER
Michael R Killpartrick
No abstract text is available yet for this article.
October 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27396514/dry-eye-disease-in-an-adult-population-in-south-west-nigeria
#16
Segun I Olaniyan, Oluyemi Fasina, Charles O Bekibele, Ayobade O Ogundipe
AIM: To determine the prevalence and factors associated with dry eye disease (DED) in an adult population in south-west Nigeria. METHOD: A descriptive cross-sectional community-based study was conducted among respondents aged 40 years and above. Questionnaires were administered on symptoms of DED, followed by ocular examination to elicit signs of DED by determining the tear film break-up time, corneal fluorescein staining score, and Schirmer I tests. Dry eye was diagnosed by the simultaneous presence of at least one symptom experienced "often or all of the time" and at least one sign in either eye...
October 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27395753/comparison-of-corneal-topographic-measurements-and-high-order-aberrations-in-keratoconus-and-normal-eyes
#17
Hatice Nur Colak, Feride Aylin Kantarci, Aydin Yildirim, Mehmet Gurkan Tatar, Hasan Goker, Hasim Uslu, Bulent Gurler
PURPOSE: The aim of this report was to compare corneal topographic measurements and anterior high order corneal aberrations in eyes with keratoconus and normal eyes by using Scheimpflug-Placido topography. METHODS: Eighty cases diagnosed with mild (group 1), moderate (group 2), and advanced (group 3) stage keratoconus (KC) according to Amsler-Krumeich Classification and 81 healthy (control group) cases were retrospectively examined. The mean keratometric measurements (as both diopters (Kavg) and mm values (mmavg)), central corneal thickness values (CCT), high order aberration (HOA), total wavefront aberration (TWA), coma, trefoil, and spherical aberration measurements were performed using Sirius topography equipment...
October 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27389000/measurement-variability-of-the-tearlab-osmolarity-system
#18
Dorota H Szczesna-Iskander
PURPOSE: To independently assess the measurement variability of TearLab System in a clinical setting of one visit and to estimate the minimum number of measurements required for reliable readings of tear osmolarity. METHODS: Ten consecutive osmolarity measurements were taken from both eyes by the same examiner at one visit for fourteen subjects. The ocular surface disease index symptoms questionnaire and tear film break up time were also performed. Group average cumulative mean and cumulative coefficient of variation were calculated to assess the TearLab measurement variation...
October 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27364560/trends-of-contact-lens-prescribing-in-jordan
#19
Mera F Haddad, May Bakkar, Yazan Gammoh, Philip Morgan
PURPOSE: To evaluate contact lens prescribing trends among optometrists in Jordan. METHODS: Optometrists from 173 practices in Jordan were surveyed about prescribing contact lenses in their practice. Practitioners were required to record information for the last 10 patients that visited their practice. Demographic data such as age and gender was obtained for each patient. In addition, data relating to lens type, lens design, replacement methods and the care regime advised to each patient were recorded...
October 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27344235/comparison-of-a-new-optical-biometry-with-an-optical-low-coherence-reflectometry-for-ocular-biometry
#20
Emre Güler, Ali Ender Kulak, Yüksel Totan, Armağan Yuvarlak, İbrahim Feyzi Hepşen
OBJECTIVE: To evaluate the repeatability and agreement of a new partial coherence interferometry optical biometer (AL-Scan, Nidek CO, Aichi, Japan) with optical low-coherence reflectometry device (Lenstar LS 900, Haag-Streit AG, Köniz, Switzerland). METHODS: Three consecutive measurements with the 2 devices were performed by the same examiner in 65 eyes of 65 patients with cataract. Patients were divided into 2 groups: axial length (AL) between 22 and 26mm (Group 1) and more than 26mm (Group 2)...
October 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
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