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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/29129479/an-analysis-of-anterior-scleral-shape-and-its-role-in-the-design-and-fitting-of-scleral-contact-lenses
#1
Markus Ritzmann, Patrick J Caroline, Rainer Börret, Emily Korszen
PURPOSE: The purpose of this study was to evaluate the shape of the anterior sclera by measuring the sagittal height and corneoscleral transition angles in the four cardinal and four oblique segments of the eye. MATERIALS AND METHODS: In this study, 78 normal eyes of 39 subjects were evaluated. The sagittal height, corneoscleral angle and scleral angle were measured at three chord lengths (10.0mm, 12.8mm and 15.0mm) in all eight segments of the anterior eye using optical coherence tomography (Zeiss Visante AS-OCT)...
November 9, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/29102130/early-clinical-outcomes-after-small-incision-lenticule-extraction-surgery-smile
#2
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...
October 25, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/29074305/scleral-lens-after-intracorneal-ring-segments-in-patients-with-keratoconus
#3
Varsha M Rathi, Preeji S Mandathara, Srikanth Dumpati, Virender S Sangwan
BACKGROUND: To report the use of scleral lens (ScCL) to improve vision in patients having keratoconus who had intracorneal ring segment (ICRS) surgery. METHODS: Two eyes of two keratoconus patients fitted with ScCL (PROSE - prosthetic replacement of the ocular surface ecosystem, USA) after having undergone ICRS surgery are reported as noncomparative interventional case series. The ICRS implanted were INTACs and kerarings. Indications, visual acuity with ScCL, complications and follow-up are reported...
October 24, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/29074306/the-efficacy-of-tea-tree-face-wash-1-2-octanediol-and-microblepharoexfoliation-in-treating-demodex-folliculorum-blepharitis
#4
Orla Murphy, Veronica O'Dwyer, Aoife Lloyd-McKernan
PURPOSE: To compare the efficacy of Dr Organic Tea Tree Face Wash, OcuSoft Lids Scrub Plus and the BlephEx™ device at treating of Demodex folliculorum blepharitis. METHODS: Eighty-six subjects (33 males/36 females) were enrolled in a randomised controlled interventional treatment study. Subjects completed a dry eye symptom questionnaire and were assessed for presence of Demodex folliculorum. Subjects were divided into three groups according to treatment: Dr Organic Tea Tree Face Wash (A) (n=28), OcuSoft Lid Scrub Plus (B) (n=30), or in-house lid scrub with the BlephEx™ device before nightly lid scrubs with OcuSoft Lid Scrub Plus (C) (n=28)...
October 23, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/29066264/a-pilot-study-on-corneal-langerhans-cells-in-keratoconus
#5
Preeji S Mandathara, Fiona J Stapleton, Jim Kokkinakis, Mark D P Willcox
PURPOSE: To report the density and morphology of cells that are analogous to corneal Langerhans cells and their associations in keratoconus. MATERIALS AND METHODS: This prospective cross-sectional study included a convenience sample of keratoconus subjects aged between 18-65 years. Corneal topography, assessment of ocular symptoms, tear variables, corneal sensitivity, in-vivo confocal microscopy were performed. The number of Langerhans cells were manually counted and averaged across three central corneal images...
October 21, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/29066042/hydrogen-peroxide-and-silicone-hydrogel-contact-lenses-worsening-of-external-eye-condition-and-tear-film-instability
#6
A Moro, M Fagnola, S Picarazzi, A Di Dio, V Pastori, M Lecchi, S Tavazzi
PURPOSE: The aim is discussing the origins of worsening of external eye condition (EEC) and of tear film (TF) instability after wear of silicone-hydrogel contact lenses (CLs) with hydrogen-peroxide (H2O2) care system. METHODS: EEC and TF stability were evaluated before and after 15days of wear combined with different care systems: (1) H2O2, (2) detergent solution and H2O2, (3) multipurpose solution (MPS), (4) H2O2 and artificial tears. In-vitro cell mortality tests were performed after 24h cell incubation with CLs treated with H2O2...
October 20, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/29054722/the-eyelids-and-tear-film-in-contact-lens-discomfort
#7
Jaya Sowjanya Siddireddy, Ajay Kumar Vijay, Jacqueline Tan, Mark Willcox
PURPOSE: To investigate characteristics of the eyelid margins, meibomian glands and the tear film of contact lens wearers, and to determine whether these characteristics were related to symptoms of contact lens discomfort. METHODS: A cross sectional study was performed on thirty existing daily wear soft contact lens wearers (6 male; 24 female) with median age of 23 years (range 18-41). Eyelid signs and tear film characteristics were evaluated during a single visit and subjects completed the contact lens and dry eye questionnaire (CLDEQ-8) to evaluate ocular discomfort...
October 17, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/29050662/keratometry-a-technique-that-should-be-relegated-to-the-clinical-dark-ages
#8
EDITORIAL
James S Wolffsohn
No abstract text is available yet for this article.
October 17, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/29033270/a-survey-of-contact-lens-related-complications-in-a-tertiary-hospital-in-china
#9
Weiwei Li, Xuguang Sun, Zhiqun Wang, Yang Zhang
PURPOSE: To describe the type of complications related to contact lens (CL) wear in a tertiary hospital in XX, China. METHODS: A retrospective study of 141 patients who complained discomfort after wearing contact lens on an outpatient basis of XX Hospital were conducted from the January 2012 to December 2015. The data included patients' demographics, lens type, history, slit-lamp examination, reports of corneal scrapings, culture, and examination of in vivo confocal microscopy...
October 12, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/29030018/reply-to-the-letter-to-the-editor
#10
LETTER
Antonio Martínez-Abad, David P Piñero
No abstract text is available yet for this article.
October 10, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/29030017/the-effect-of-ageing-on-the-ocular-surface-parameters
#11
Laura Rico Del Viejo, Amalia Lorente Velázquez, J L Hernández-Verdejo, Ricardo García-Mata, J M Benítez-Del-Castillo, David Madrid Costa
No abstract text is available yet for this article.
October 10, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/29030016/does-a-two-year-period-of-orthokeratology-lead-to-changes-in-the-endothelial-morphology-of-children
#12
Sin Wan Cheung, Pauline Cho
PURPOSE: To compare changes in endothelial morphology in the central and superior cornea in subjects wearing single-vision spectacles and orthokeratology lenses over two years. METHODS: Endothelial images of the two locations of 99 subjects (6-12 years) from completed myopia control studies were analysed. Endothelial cell density (ECD), coefficient of variation in cell size (CV), and hexagonality (HEX) before and two years after treatment were compared between the two groups of subjects...
October 10, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/29032921/treatment-of-contact-lens-related-dry-eye-with-antibacterial-honey
#13
Daniel Wong, Julie M Albietz, Huan Tran, Cimonette Du Toit, Anita Hui Li, Tina Yun, Jee Han, Katrina L Schmid
AIM: Contact lens induced dry eye affects approximately 50% of contact lens wearers. The aim was to assess the effects of Manuka (Leptospermum sp.) honey eye drops (Optimel, Melcare, Australia) on dry eye in contact lens wearers. The safety of the honey eye drops in contact lens wear and contact lens wearers' compliance were also evaluated. DESIGN: Prospective, randomised, cross over study, examiner masked, pilot treatment trial. METHODS: Twenty-four participants aged 20 to 55 years with contact lens related dry eye were recruited and randomised to two treatment groups; 20 completed the study...
October 9, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/29017826/disability-glare-in-soft-multifocal-contact-lenses
#14
Siegfried Wahl, Luise Fornoff, G Alex Ochakovski, Arne Ohlendorf
PURPOSE: The study investigated the effect of the design of multifocal contact lenses on the sensitivity to contrast and disability glare. METHODS: Contrast sensitivity was measured in 16 young adults (mean age: 25.5±2.5years) at a distance of 2m under two conditions: no-glare and glare. Two designs (Center Near and Center Distance) of the Biofinity soft contact lens were used to simulate correction for presbyopes, while a correction with single vision trial lenses and contact lenses acted as controls...
October 7, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28993071/re-park-ym-park-yk-lee-je-lee-js-effect-of-orthokeratology-in-patients-with-myopic-regression-after-refractive-surgery-clae-2016-39-2-167-71
#15
LETTER
Maddalena De Bernardo, Nicola Rosa
No abstract text is available yet for this article.
October 6, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28993070/the-effect-of-soft-contact-lens-thickness-in-visual-function-after-intracorneal-ring-segments-surgery
#16
G Carracedo, J Canales, P Gonzalez, A Rechionni, C Carpena-Torres, J Carballo-Álvarez
OBJECTIVE: To study the influence of soft contact lens (SCL) central thickness and material in keratoconus on visual function after intracorneal ring segment (ICRS) surgery. METHODS: A pilot, experimental, prospective, cross-sectional and double-blind study was performed. Fourteen keratoconus patients with age range of 34.75±9.22years (7 males and 7 females) with ICRS implanted were involved in the study. Two different SCL materials [Hioxifilcon A (G-5X/p-GMA/HEMA) and Lucifilcon A (silicone-hydrogel)] with four different central thicknesses (0...
October 6, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28993069/discrimination-of-subjective-responses-between-contact-lenses-with-a-novel-questionnaire
#17
Jennie Diec, Thomas Naduvilath, Daniel Tilia, Eric B Papas, Percy Lazon de la Jara
PURPOSE: To describe a ranked symptoms scale (RSS) discriminating subjective responses in contact lens (CL) wear in various situations. METHOD: Forty experienced clinical trial participants were interviewed for their perceptions of ocular comfort scales, resulting in a numerical RSS. For further evaluation, 20 CL wearers enrolled into a prospective, randomised, crossover trial. Two silicone-hydrogel CLs and a lens care solution (LCS) [Combinations A & B] were selected based on prior performance identifying best/worst combinations for end-of-day comfort...
October 6, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28988643/a-novel-fitting-algorithm-for-alignment-curve-radius-estimation-using-corneal-elevation-data-in-orthokeratology-lens-trial
#18
Lu Zhang, Yue Zhang, Yanlin Liu, Kai Wang, Mingwei Zhao
PURPOSE: To evaluate a novel fitting algorithm for estimation of alignment curve (AC) radius during orthokeratology lens trial. METHODS: Fifty myopic children were recruited in this study. AC radii were estimated by both traditional method using flat K readings and eccentricity values and by a novel fitting algorithm, which was composed of 256 circle fittings using corneal elevation data from the corresponding AC region and a succedent toric fitting based on these calculated AC curvatures...
October 4, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28986008/characterisation-of-the-porcine-eyeball-as-an-in-vitro-model-for-dry-eye
#19
Francesco Menduni, Leon N Davies, D Madrid-Costa, Antonio Fratini, James S Wolffsohn
PURPOSE: To characterise the anatomical parameters of the porcine eye for potentially using it as a laboratory model of dry eye. METHODS: Anterior chamber depth and angle, corneal curvature, shortest and longest diameter, endothelial cell density, and pachymetry were measured in sixty freshly enucleated porcine eyeballs. RESULTS: Corneal steepest meridian was 7.85±0.32mm, corneal flattest meridian was 8.28±0.32mm, shortest corneal diameter was 12...
October 3, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28974425/comparison-of-treatment-effect-across-varying-severities-of-meibomian-gland-dropout
#20
Philip R K Turnbull, Stuti L Misra, Jennifer P Craig
PURPOSE: Better understanding of the pathophysiology of meibomian gland dysfunction (MGD) has provided the opportunity to develop treatments which could be tailored for specific presentations of MGD. This study sought to directly compare treatment effectiveness for three current therapies across differing levels of MG dropout. METHODS: Subjects (n=81), grouped by infrared meibography dropout proportions, into either no (control), mild, or pronounced MG dropout, were randomised to receive treatment with a latent heat device (n=25), liposomal spray (n=28), or heated warm compress (n=28)...
September 30, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
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