Contact Lens Update

• Issue 51 | December 2019

  Putting dry eye theory into practice

  A review of practical tips and insights from the 2019 Canadian Dry Eye Summit. Held in Toronto, the second Canadian Dry Eye Summit saw a full house of Optometrists listen to, and ask questions of, recognised global experts in dry eye practice. This special edition of contact lens update reports on what was discussed at the two-day meeting, highlights key topics, shares practical tips on how to apply the theory to your practice, and reviews the use of symptom questionnaires. So read on to find out the highlights from Drs Laura Periman, Scott Schachter, Etty Bitton and Lyndon Jones among others. For those of you thinking about starting, or growing your dry eye practice, then see what Drs Trevor Miranda, Henry Reis, Euan McGinty and John Wilson shared from direct experience of their own specialist dry eye practices. Whether you are wondering where to start with dry eye, or looking to take your practice to the next level, this issue will give you new information you can apply directly to practice.

  • Editorial - Canadian Dry Eye Summit: Conference review
  • Feature Article - Canadian Dry Eye Summit: On the subject of nutrition
  • Conference Highlights - Canadian Dry Eye Summit: Getting started in practice
  • Clinical Insight - Canadian Dry Eye Summit: Questioning the questionnaires

• Issue 50 | October 2019

  Getting started with Ortho-K

  We are celebrating our ‘half-century’ with a special edition of Contact Lens Update. For the first time we have given over the whole issue to a guest editor. Paul Gifford has kindly pulled together all four sections of the content, sharing throughout his considerable expertise in Orthokeratology. Click on the links to learn all about Ortho-K, from simple steps on how to get started through to customised designs for myopia control and the latest news on combined treatments with atropine. Don’t forget to check out the free-to-download clinical insight which provides a quick reference on the key decisions and steps required to fit Ortho-K in practice.

  • Editorial - Orthokeratology for slowing progression of myopia
  • Feature Article - Customizing orthokeratology for myopia control
  • Conference Highlights - Combined atropine with orthokeratology in childhood myopia control (AOK) – A randomized controlled trial
  • Clinical Insight - Practitioner Reference: Getting started with Orthokeratology

• Issue 49 | September 2019

  Infiltrates - an update

  With contributions from global experts in this subject area, this issue focusses on corneal infiltrative events (CIEs) associated with soft contact lens wear, examining their incidence, risk factors and the steps that can be taken in practice to advise patients on reducing their chance of developing them. Loretta Szczotka-Flynn has written a comprehensive editorial which addresses all of these areas, including a review of the associations between mucin ball formation and CIEs. Robin Chalmers not only summarises key points from Kelsey Steele’s recent review paper on the epidemiology of CIEs, but also provides several helpful pieces of advice for practitioners. Future work in this field is highlighted with Debarun Dutta’s conference abstract which examines the effect of antimicrobial contact lenses on the incidence of CIEs in extended wear. The clinical insight in this issue is a factsheet containing all the relevant figures on CIE incidence and risk factors, and is intended to be downloaded for use by practitioners as a quick reference tool.

  • Editorial - Understanding Clinical and Contact Lens Related Risk Factors for Corneal Inflammatory Events
  • Feature Article - Epidemiology of contact lens-induced infiltrates: an updated review
  • Conference Highlights - Contact Lens-induced Corneal Infiltrative Events during Extended Melimine Antimicrobial Contact Lens (MACL) wear Clinical Trial
  • Clinical Insight - Practitioner reference: Corneal Infiltrative Events, the facts, figures and how to reduce the risks

• Issue 48 | July 2019

  Staining

  Solution induced corneal staining (SICS) has been documented for nearly twenty years, and our understanding of the mechanism by which it occurs and its clinical significance has evolved over time. This issue of Contact Lens Update reviews this journey of understanding, sharing some novel new work, and a factsheet for practitioners own reference. Eric Papas has written a fascinating editorial describing how our appreciation of SICS has changed over time, concluding with some present day evidence. David McCanna reviews Tahmina Khan’s in vitro work which examines the mechanism of fluorescein uptake into cells, and how this is modulated by a particular surfactant found in some MPS. The conference highlight is Tahmina Khan’s own poster outlining the work referenced in her paper. Finally, a new SICS factsheet is available for practitioners to download, providing a summary of key information about SICS along with advice on how to deal with it in practice.

  • Editorial - Staining Wars
  • Feature Article - Cellular fluorescein hyperfluorescence is dynamin-dependent and increased by Tetronic 1107 treatment
  • Conference Highlights - Poster: Cellular fluorescein hyperfluorescence is dynamin-dependent and is increased with Tetronic 1107 treatment
  • Clinical Insight - Practitioner Reference: Evolving our Understanding of SICS

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