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S P E C I A L E D I T I O N 2 0 1 5 • O P T O M E T R I C M A N A G E M E N T . C O M was compared to that of fresh, unpre- served human corneas. To measure lubricity, researchers used a micro- tribometer and fresh, unpreserved human corneas to determine the cor- neal coefcient of friction (CoF). 2 Lubricity was then measured on unworn lenses fresh from the pack- age and on lenses worn for more than 14 hours. Contact lenses with lower CoF have higher lubricity. In both cases, the lens was shown ex-vivo to be as lubricious as the nat- ural cornea. Te lubricity of a contact lens can help keep eyes in their natural state. Based on the clinical data, the lenses help address this need, giving peace of mind to practitioners and to pa- FE ATURE CONTAC T LENS WE AR 35 tients who put a priority on the long- term health of their eyes. OM TAWNYA WILSON, O.D., F.A.A.O., is Principal Research Optometrist, Johnson & Johnson Vision Care, Inc. Visit tinyurl.com/OMcomment to com- ment on this article. Q: THERE ARE SEVERAL SILICONE HYDROGELS ON THE MARKET. IN YOUR OPINION, ARE THEY ALL CLINICALLY EQUIVALENT? Larry Wan, O.D.: Each silicone hydrogel lens has its own attributes. For me, I like 1-DAY ACUVUE TruEye Brand because it has the highest UV blocking † * available in a contact lens, it handles very well and the chance of dropout due to discomfort is very low in my experience. Tis helps me grow my contact lens practice. Q: HOW DO YOU POSITION TRUEYE LENSES IN YOUR PRACTICE? Dr. Wan: I don't reserve it for a certain niche. When a new patient comes in, I ask a series of questions, includ- ing: "Do you have any concerns regarding contact lens use?" and "How ofen and for how long do you use your lenses?" For current contact lens wearers, I ask what would make their experience better. When you listen to patients talk about wanting to wear a lens for long hours each day and many days per week, and their concerns about the impact of this intense wear, it opens a discus- sion about the lenses, which can pre-empt a lot of the problems that might otherwise lead to dropout. Q: HOW DOES THE LUBRICITY OF THE LENSES TRANSLATE INTO REAL-WORLD PATIENT PERFORMANCE IN INTENSE WEARERS? Dr. Wan: A lens as lubricious as the natural human cor- nea helps minimize lens-eye interaction. My patients are not only comfortable but also show clinically insignif- cant signs of limbal redness, lid margin changes or cor- neal staining, even afer intense wear. Tey are thrilled with the quality and experience of this lens. Q: HOW DO YOU EXPLAIN LUBRICITY AND THE OTHER BENEFITS OF THE LENS TO PATIENTS? Dr. Wan: I explain that not all eyes are the same and, therefore, there are several brands and types of lenses available to meet diferent patient needs. I talk about the benefts of having a fresh lens every day that you don't need to clean. I explain that wearing TruEye has been clinically shown to be comparable to no lens wear in several key measures of eye health afer 365 days of daily wear. 1 What's more, it has the added beneft of UV blocking. † * All of these things help me explain, in a com- pelling way, why I make a recommendation for 1-DAY ACUVUE TruEye. L ARRY WAN, O.D., is in private practice at Family Eyecare Center in Campbell, CA. He received compensation from Johnson & Johnson Vision Care, Inc. for his time spent for this article. Beyond the Data A Q&A; with Dr. Larry Wan, O.D. † Helps protect against transmission of harmful UV radiation through the cornea and into the eye. *WARNING: UV-absorbing contact lenses are NOT substitutes for protective UV-absorbing eyewear, such as UV-absorbing goggles or sunglasses, because they do not completely cover the eye and surrounding area. You should continue to use UV-absorbing eyewear as directed. NOTE: Long-term exposure to UV radiation is one of the risk factors associated with cataracts. Exposure is based on a number of factors such as envi- ronmental conditions (altitude, geography, cloud cover) and personal factors (extent and nature of outdoor activities). UV-blocking contact lenses help provide protection against harmful UV radiation. However, clini- cal studies have not yet been done to demonstrate that wearing UV-blocking contact lenses reduces the risk of developing cataracts or other ocular disorders. Consult your eye care practitioner for more information. See page 4 for more important prescribing information. REFERENCES 1. Morgan PB, Chamberlain P, Moody K, Maldonado-Codina C. Ocular physiology and comfort in neophyte subjects ftted with daily disposable silicone hydrogel contact lenses. Cont Lens Anterior Eye.2013;36(3):118-125. Study conducted over 365 days. 2. Wilson T, Aeschlimann R, Tosatti S, Toubouti Y, Kakkassery J, Lorenz K. Coeffcient of Friction of Human Corneal Tissue. Cornea 2015;34(9): 1179-1185.