Contact Lens Update

• Issue 38 | October 2017

  Taking stock of dry eye disease: DEWS II

  The newest report on dry eye (DEWS II) from the Tear Film & Ocular Surface Society is essential reading for eye care practitioners. If you haven’t found the time yet, we’ve got you covered. In this edition of Contact Lens Update, Jenny Craig (Vice Chair of the DEWS II steering committee) provides an overview of what you can expect from the report, our research team summarizes each of the topics covered in the report, and Ally Xue shares a poster comparing the results of current dry eye research with the self-reported clinical practices of optometrists and ophthalmologists in New Zealand. Download our patient handout on self-care strategies.

  • Editorial - TFOS DEWS II: A Defining Moment
  • Feature Article - Summary: The TFOS DEWS II™ Report
  • Conference Highlights - An inter-disciplinary comparison of the self-reported dry eye practices of New Zealand eye care clinicians
  • Clinical Insight - Patient handout: Dry eye discomfort?

• Issue 37 | July 2017

  Scleral Lenses

  The applications of contemporary scleral lenses are wide-reaching, offering benefits to patients with irregular corneas, ocular surface disorders, intolerance of other contact lens designs as well as those with normal eyes. In this issue of Contact Lens Update, Melissa Barnett and Lynette Johns provide an overview of the history and modern applications of these lenses; Trevor Fosso presents the case of a patient fitted with scleral lenses as a treatment for a 69-year-old patient with Sjogren’s Syndrome; Lacey Haines summarizes a 2015 review examining the evidence supporting use of these lenses as a treatment for patients with dry eye symptoms. Download our research brief outlining the the ways in which these lenses can be prescribed in practice!

  • Editorial - Perspectives on scleral Lenses: past, present and future
  • Feature Article - Scleral lens use in dry eye syndrome
  • Conference Highlights - Bathing the desert: scleral lenses for a case of Sjogren’s Syndrome related dry eye
  • Clinical Insight - Research Brief: Scleral Lenses – What can they do for you and your patients?

• Issue 36 | April 2017

  Pain and Sensation

  Ocular discomfort has a serious impact on quality of life. In this edition of Contact Lens Update, Ping Situ provides an overview of its physiology; Paul Murphy reviews a 2015 paper looking more closely at the source of discomfort during contact lens wear, and a team of researchers assess the validity and reliability of the SPEED questionnaire for assessing symptoms of dryness. Access a downloadable version of the questionnaire for use in clinical practice!

  • Editorial - Ocular pain and discomfort: An overview
  • Feature Article - Corneal and conjunctival sensitivity in intolerant contact lens wearers
  • Conference Highlights - The Standard Patient Evaluation of Eye Dryness (SPEED) Survey: Valid and Reliable
  • Clinical Insight - SPEED Questionnaire

• Issue 35 | January 2017

  Lab measurements in clinical practice

  Laboratory tests designed to optimize ocular health and comfort with contact lens wear have direct relevance to clinical practice. In this edition of Contact Lens Update, Andrew Pucker provides an overview of properties that can have an impact on the wearing experience; Stephanie Wong reviews a 2013 article by Campbell et al. that compares methodologies used to measure contact angle; and Hendrik Walther relates the evolution of a more realistic in vitro eye model for testing contact lenses. Download our research brief clarifying the meaning of oxygen permeability vs. oxygen transmissibility, modulus, contact angle and coefficient of friction.

  • Editorial - Contact Lens Material Properties
  • Feature Article - A review of contact angle techniques
  • Conference Highlights - Where’s the blink? The evolution of a more realistic in vitro eye model
  • Clinical Insight - Research Brief: Clinical significance of contact lens materials development

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