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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/28919243/drugs-do-we-need-them-applications-of-non-pharmaceutical-therapy-in-anterior-eye-disease-a-review
#1
REVIEW
Priyanka Mandal, Mohammad A Khan, Sunil Shah
Natural products have been in use long before the introduction of modern drug therapies and are still used in various communities worldwide for the treatment of anterior eye disease. The aim of this review is to look at the current non-pharmaceutical modalities that have been tried and assess the body of existing evidence behind them. This includes alternative medicine, existing non-pharmaceutical therapy and more recent low and high tech solutions. A detailed search of all available databases including MEDLINE, Pubmed and Google was made to look for English-language studies for complementary and alternative treatment modalities (CAM), natural therapies and new modalities for anterior eye disease such as blepharitis, dry eye and microbial keratitis...
September 14, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28919183/impact-of-oral-vitamin-d-supplementation-on-the-ocular-surface-in-people-with-dry-eye-and-or-low-serum-vitamin-d
#2
Chih-Huang Yang, Julie Albietz, Damien G Harkin, Michael G Kimlin, Katrina L Schmid
PURPOSE: To determine the possible association between serum vitamin D levels and dry eye symptoms, and the impact of an oral vitamin D supplement. METHODS: Three linked studies were performed. (i) 29 older adult participants, (ii) 29 dry eyed participants, and (iii) 2-month vitamin D supplementation for 32 dry eyed/low serum vitamin D levelled participants. All participants were assessed by the Ocular Surface Diseases Index (OSDI) to determine dry eye symptoms, and the phenol red thread test (PRT) and/or Schirmer's tear test, tear meniscus height, non-invasive tear break up time, grading ocular surface redness and fluorescein staining of the cornea to detect the tear quality and ocular surface conditions...
September 11, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28863983/the-utility-of-measuring-tear-film-break-up-time-for-prescribing-contact-lenses
#3
Maryam Mousavi, Danilo A Jesus, Izabela K Garaszczuk, Dorota H Szczesna-Iskander, D Robert Iskander
PURPOSE: To evaluate the clinical value of non-invasive keratograph tear film breakup time (NIKBUT) in the assessment of pre-corneal and pre-lens tear film quality for prescribing contact lenses (CLs). METHODS: Forty-six subjects aged 25.5±4.3 (mean±standard deviation) years were recruited. Visual acuity (VA), anterior eye health checks and NIKBUT were evaluated. On the following day, subjects were fitted with a daily Silicon Hydrogel (SiHy) CL in one eye and a Hydrogel (Hy) CL in the other...
August 29, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28863982/non-invasive-pre-lens-tear-film-assessment-with-high-speed-videokeratoscopy
#4
Clara Llorens-Quintana, Maryam Mousavi, Dorota Szczesna-Iskander, D Robert Iskander
PURPOSE: To evaluate the effect of two types of daily contact lenses (delefilcon A and omafilcon A) on the tear film and establish whether it is dependent on pre-corneal tear film characteristics using a new method to analyse high-speed videokeratoscopy recordings, as well as to determine the sensitivity of the method in differentiating between contact lens materials on eye. METHODS: High-speed videokeratoscopy recordings were analysed using a custom made automated algorithm based on a fractal dimension approach that provides a set of parameters directly related to tear film stability...
August 29, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28847466/a-novel-in-vitro-method-for-assessing-contact-lens-surface-dewetting-non-invasive-keratograph-dry-up-time-nik-dut
#5
Sebastian Marx, Wolfgang Sickenberger
PURPOSE: This study was designed to develop a novel technique called non-invasive keratograph dry-up time (NIK-DUT), which used an adapted corneal topographer, to analyse in-vitro contact lens surface dewetting and the effects of combinations of lenses and lens care solutions on dewetting. METHODS: Variables were assessed to optimise sensitivity and reproducibility. To validate the method, in-vitro dewetting of silicone hydrogel contact lenses (balafilcon A, comfilcon A, lotrafilcon A, lotrafilcon B and senofilcon A) was tested...
August 25, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28847465/evaluating-tear-clearance-rate-with-optical-coherence-tomography
#6
Izabela K Garaszczuk, Maryam Mousavi, Alejandro Cervino Exposito, Maciej M Bartuzel, Robert Montes-Micó, D Robert Iskander
PURPOSE: To assess the early-phase of tear clearance rate (TCR) with anterior segment optical coherence tomography (OCT) and to determine the association between TCR and other clinical measures of the tear film in a group of young subjects with different levels of tear film quality. METHODS: TCR was classified as the percentage decrease of subject's inferior tear meniscus height 30s after instillation of 5μl 0.9% saline solution. Fifty subjects (32F and 18M) aged (mean±standard deviation) 25...
August 25, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28844655/a-missed-diagnosis-of-multiple-intraocular-foreign-bodies-for-21-years
#7
Xubo Yang, Chunling Liu, Longqian Liu, Lanlan Zhang
A 30-year-old patient went to the emergency department because of a chemical burn to the left eye more than 10 days ago by toilet cleanser. Surprisingly, a small piece of glass was found in the inferior anterior chamber in the same eye. The visual acuity was counting fingers. There was conjunctival congestion, corneal oedema and Descemet's membrane striae. And there was also a corneal leukoma around 4 to 5 o'clock. Through repeated questioning he recalled that he was injured by an exploded light bulb around 21 years ago...
August 24, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28822704/corneal-confocal-microscopy-and-dry-eye-findings-in-contact-lens-discomfort-patients
#8
Aysun Sanal Dogan, Canan Gurdal, Nese Arslan
OBJECTIVES: To evaluate the corneal confocal microscopy and dry eye findings in patients with contact lens discomfort. METHODS: The study included 3 groups of participants: Contact lens wearers using silicone hydrogel soft contact lenses who are symptomatic (CLD, n=15) or asymptomatic (ACL, n=11) and non-wearers as controls (n=14). Duration of contact lens wear, Ocular Surface Disease Index (OSDI) questionnaire responses, fluorescein tear break-uptime (FBUT), and corneal confocal microscopy findings were recorded...
August 16, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28811096/topical-anaesthetic-use-prior-to-rigid-gas-permeable-contact-lens-fitting
#9
Felicity R Gill, Paul J Murphy, Christine Purslow
PURPOSE: To investigate effect of topical anaesthetic (TA) during gas permeable (GP) contact lens (CL) fitting on subjective and objective measures of patient anxiety. METHODS: 47 subjects (mean±sd age=26.9±4.9years; soft CL wearers, 18, neophytes, 29). Each subject randomly assigned to Group A or B, and attended on two occasions, one week apart. First visit: subject received bilaterally either a single drop of TA (0.5% proxymetacaine) (Group A) or placebo (0...
August 12, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28811095/can-the-optimum-artificial-tear-treatment-for-dry-eye-disease-be-predicted-from-presenting-signs-and-symptoms
#10
Laika Essa, Deborah Laughton, James S Wolffsohn
PURPOSE: To assess dry eye treatment with four preservative-free dry eye artificial tear treatments to facilitate evidence-based prescribing. METHODS: A randomised, single masked crossover trial of Clinitas Soothe, Hyabak, Tears Again and TheraTears artificial tears was conducted on 50 symptomatic dry eye patients, aged 60.8±14.2years. At baseline and after trialling each treatment for 4 weeks, signs and symptoms were assessed using the Ocular Surface Disease Index (OSDI), non-invasive tear break-up time, fluorescein tear break-up time, tear meniscus height (TMH), Phenol Red test, lid-parallel conjunctival folds (LIPCOF), ocular surface staining, and lipid layer grading and osmolarity (baseline visit only)...
August 12, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28743490/clinical-relationship-of-meibometry-with-ocular-symptoms-and-tear-film-stability
#11
Carlos García-Resúa, Hugo Pena-Verdeal, Maria Jesús Giráldez, Eva Yebra-Pimentel
PURPOSE: To evaluate the relationship between meibometry with both ocular symptoms and tear film stability by: (1) to find out whether meibometry is able to differentiate between dry eye symptomatic and asymptomatic subjects classified by standardized dry eye questionnaires (OSDI and McMonnies), and (2) to assess the clinical relationship between meibometry with both tear break-up time (BUT) and maximum blink interval (MBI). METHODS: 140 Patients were recruited for the study...
July 22, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28716638/the-temporal-dynamics-of-miniscleral-contact-lenses-central-corneal-clearance-and-centration
#12
Stephen J Vincent, David Alonso-Caneiro, Michael J Collins
PURPOSE: To examine the time course of the reduction in central corneal clearance and horizontal and vertical lens translation (decentration) during miniscleral contact lens wear and the theoretical influence upon the optics of the post-lens tear layer. METHODS: Repeated high-resolution OCT images were captured over an 8h period of miniscleral contact lens wear (using a rotationally symmetric 16.5mm diameter lens) in 15 young, healthy participants with normal corneae...
July 14, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28712892/discontinuation-of-long-term-orthokeratology-lens-wear-and-subsequent-refractive-surgery-outcome
#13
Pauline Kang, Helen Swarbrick
PURPOSE: To report a case of lens discontinuation in a long term orthokeratology (OK) lens wearer and describe regression in refraction, corneal topography, and corneal thickness over 408days after lens discontinuation. Furthermore, the outcome of subsequent LASIK treatment is also reported. CASE REPORT: A 41year old Caucasian female who had been previously wearing OK lenses for 13 years discontinued lens wear in the left eye to consider refractive surgery in that eye...
July 13, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28662862/the-use-of-rigid-gas-permeable-contact-lenses-in-children-with-myopic-amblyopia-a-case-series
#14
Bingjie Wang, Rajeev K Naidu, Xiaomei Qu
PURPOSE: To explore the safety profile and overall visual improvement over the course of RGP contact lens wear on children with unilateral or bilateral amblyopia resulting from myopia. METHODS: This was a retrospective analysis case series study. Clinical records of 15 patients who were fitted with RGP contact lenses at the Shanghai Eye and EENT Hospital of Fudan University between the period of January 2009 to December 2014 were reviewed. The inclusion criteria for review included patients with myopia of -3...
June 26, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28838847/scleral-lenses-are-special
#15
EDITORIAL
Eef van der Worp
No abstract text is available yet for this article.
October 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28712891/corneo-scleral-contact-lenses-in-an-uncommon-case-of-keratoconus-with-high-hyperopia-and-astigmatism
#16
Esteban Porcar, Juan Carlos Montalt, Enrique España-Gregori, Cristina Peris-Martínez
PURPOSE: To analyse the visual quality achieved by fitting corneo-scleral contact lenses (CScL) in an uncommon case of bilateral keratoconus, high hyperopia and astigmatism. METHODS: A 45-year-old man presented for eye examination due to the unsatisfactory quality of his vision wearing soft toric contact lenses. He presented high hyperopia and astigmatism with bilateral keratoconus. He was fitted with CScL to correct his irregular astigmatism and ocular aberrations...
October 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28693972/polymer-interaction-driven-diffusionof-eyeshadow-in-soft-contact-lenses
#17
Silvia Tavazzi, Alessandra Rossi, Sara Picarazzi, Miriam Ascagni, Stefano Farris, Alessandro Borghesi
Soft contact lenses used for the correction of ametropia are often made of hydrogel and silicone-hydrogel materials. Since they are placed directly on the surface of the eye and they are hydrated by tears, eye cosmetics can compromise the lens performance and, even worse, can be transported from an external environment to the ocular surface through the contact lens. The diffusion of the dye component of a purple eyeshadow in soft contact lenses of different materials is here evaluated. Diffusivity is found to be typically higher in silicone-hydrogels than in hydrogels...
October 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28666677/microstructural-evaluation-of-the-mucin-balls-and-their-relations-to-the-corneal-surface-insights-by-in-vivo-confocal-microscopy
#18
Christina N Grupcheva, Dimitar I Grupchev, Mladena N Radeva, Desislava I Vankova, Yana M Manolova
PURPOSE: The purpose of the current study was to observe and correlate the characteristics of mucin balls to the ocular surface properties, and furthermore, to report the effect of different mucin balls size and number on structural alteration of the anterior cornea. METHODS: The study included, two groups of patients fitted with one-month continuous, extended wear lenses for therapeutic (group 1) and optical (group 2) purposes; the later serving as a control group...
October 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28606616/the-effect-of-previous-soft-contact-lens-wear-on-corneal-refractive-surgery-outcomes
#19
Aoife Lloyd-McKernan, Luisa Simo Mannion, Veronica O'Dwyer
PURPOSE: To examine the influence of previous soft contact lens (SCL) wear on corneal refractive surgery (CRS) outcomes when SCL wear is ceased for two weeks versus twenty-four hours, and also when compared to no wear, prior to CRS. METHODS: A retrospective examination of CRS patient records was carried out for two groups of patients- who ceased SCL wear for two weeks (n=45) and for twenty-four hours (n=49) prior to CRS and compared to a non-contact lens (NCL) control group (n=45 and n=49, respectively)...
October 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28602547/non-invasive-objective-and-contemporary-methods-for-measuring-ocular-surface-inflammation-in-soft-contact-lens-wearers-a-review
#20
REVIEW
Cecilia Chao, Kathryn Richdale, Isabelle Jalbert, Kim Doung, Moneisha Gokhale
Contact lens wear is one of the primary risk factors for the development of ocular surface inflammatory events. The purpose of this review is to examine and summarize existing knowledge on the mechanisms of contact lens related ocular surface inflammation and the evidence for the effectiveness of current objective methods to measure ocular surface inflammation. Contact lens wear is postulated to trigger an inflammatory response on the ocular surface due to mechanical, chemical, hypoxic stress, or by the introduction of microbes and their toxins...
October 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
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