Page 103 - The Indian Digital Edition September-October 2020
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  Performance-based ophthalmic    CLINICAL REASONS         CL SPECIFICATION
             eyewear services that address   FOR CL Rx
             visual and environmental demands.
                                             Wider field of view      Limitation on edge position of spectacle
            Enhancement training of specific                         lens design, restricted visual field
             visual abilities considered to   Less magnification/     Object size more constant (real-world)
             be essential for competitive    minification
             consistency for a specific sport   Less adaptation may be   After initial adaptation, changes in CL Rx
             activity.                       required                 require very little adaptation

            Prevention and management of    Greater stability        Lower risk of dislodgement during wear
             sports eye injuries.            Enhanced depth           Allow more stable vision and enhanced

            Consultation with athletes, coaches,   perception        depth perception due to magnification
             trainers, and teams regarding                            differences b/w both eyes
             visual factors and strategies   Fewer aberrations        Move with the eyes
             related to consistent peak athletic   Not affected by fogging   Lenses in contact with tears, not exposed to
             performance.                    or a rain                environmental conditions
          VISUAL SKILLS                      Less susceptible to dirt  Spectacle lenses susceptible to smearing
          ENHANCEMENT                                                 and dirt
                                             Allow protective         Bulk of spectacle frame often interferes
             The practitioner considers the   eyewear or sunglasses   with wearing of protective goggles
          nature of the athletic activity (contact   to be worn
          versus non-contact sports), as well   Protect against       Offer additional protection when used with
          as the weather and atmospheric     peripheral and oblique   sun spectacles
          conditions that may be encountered   incident UV
          by the athlete. In some sports, a   Low risk of damage to   High risk of damage to spectacle lenses
          combination of appliances may      lens during wear  (soft   during wear (excluding polycarbonate
          be needed to cover a variety of    lenses)                  lenses) and potential trauma from lenses
          environmental conditions and visual                         and frames.
          tasks. There are many approaches to
          the selection of training procedures   Testimonials were written by elite   vision without the use of spectacles
          including the following:           athletes regarding the marvels of   or contact lenses. For an athlete with
                                             contact lenses for sports purposes.   significant refractive error, this is a very
          1. OPTIMISING VISUAL ACUITY        Many of the disadvantages of      appealing prospect. A few high-profile
                                             spectacle corrections are eliminated by   athletes have reported successful
             Glasses - Approximately 80%
          of athletes who do not use vision   the use of contact lenses. The available   outcomes with refractive surgery
          correction, may benefit from a sport-  options for eye care practitioners   and even suggested that sports
                                             increased from the limited applications
          specific refractive prescription. To                                 performance is enhanced
          determine the possible benefits of   of custom-fit scleral (haptic) lenses   by the results. Similar to
                                             and polymethylmethacrylate lenses
          a glass prescription, the eye care   to modern rigid gas-permeable (RGP)   orthokeratology, the candidate for
          provider should consider the athlete’s   and hydrogel (soft) lens choices.   refractive surgery has moderate
          visual acuities, the visual demands of   Indeed, contact lenses have become   amounts of myopia or astigmatism;
          the sport, and the effort exerted by the   the method of choice for refractive   however, larger amounts of myopia
          athlete to achieve clarity.  19, 20, 21                              and astigmatism can be corrected by
                                             compensation in most sports.  22, 23  contemporary procedures, and low
             Contact lenses: The advent                                        to moderate hyperopia may also be
                                               Refractive Surgery: Refractive
          of contact lenses provided many    surgery offers the allure of “perfect”   effectively managed. 24-26
          young athletes with significant
          refractive conditions the potential to                                                 TO BE CONTINUED..
          compete with the rest of their peers.   For references the author can be contacted c/o The Indian Optician e-mail: tiodel@gmail.com

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