Page 101 - The Indian Digital Edition September-October 2020
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SPORTS     VISUAL SKILLS                    BASIC TESTS              SPECIALISED EQUIPMENT/
                                                       EMPLOYED IN EYE          TESTS THAT CAN BE USED
                                                       EXAMINATION

           All ball   Ocular alignment, ocular motility,  Cover test, pen torch,   Howell phoria cards, brock string
           sports     accommodation, convergence,      saccadic/ re-fixation    flipper accomodation test
                      stereopsis                       tests, near point rule,
                                                       random dot tests,
           Cricket    Anticipation (batting), Hand-eye   Occulomotor balance    Bassin anticipation timer, Sports
                      response (fielding), Accuracy of   tests                  vision trainer (STV), Wayne
                      fixation and binocular stability                          saccadic fixator, STV
           Football   Foot-eye coordination, Peripheral  Mallet unit            Modified saccadic fixator, STV,
                      awareness                                                 Peripheral awareness trainer, STV
           Sailing    Ocular motility, Peripheral      Confrontation test       Peripheral awareness trainer, STV
                      awareness                        peripheral fields

           Snooker    Ocular alignment, stereopsis,    Pen torch, Confrontation  Eye dominance, brockstring,
                      Vergence  control                test peripheral fields   Vectograms
           Netball    Depth perception and stereopsis,  Cover test, Maddox rod,   Peripheral awareness trainer, SVT
                      Peripheral awareness             random dot test mallet
                                                       unit, pencil to nose test

           Athletics –  Peripheral awareness           Random dot test,         Peripheral awareness trainer, SVA
           track and                                   Confrontation peripheral
           field                                       field
           Tennis     Dynamic visual acuity,           Confrontation test       DVA-tests, Peripheral awareness
                      Peripheral awareness, Hand–eye   peripheral fields        trainer, SVT, Wayne saccadic
                      coordination                                              fixator, SVT
           Boxing     Accuracy of fixation and         Confrontation test
                      binocular stability              peripheral field
           Hockey     Dynamic VA, Hand-eye             Mallet unit              DVA-tests
                      coordination
                                                                                Wayne saccadic fixator, SVA

          TABLE 2.0    VISUAL SKILLS REQUIRED IN SOME POPULAR SPORTS AND EXAMPLES OF TESTS TO INCLUDE OR
          EQUIPMENT TO USE IN THE SPORTS VISION EVALUATION  14-18

          3.  Effector Mechanism: If the decision   the athlete. Personal participation in   known as kinetic visual acuity and it
             mechanism selects a motor       the sport activity by the practitioner   is the visual acuity that is measured
             response, the relevant information   offers the most intimate insights into   when either the target or the athlete is
             is passed, this helps in controlling   the visual task demands encountered   in motion.
             and organising the sequence     by the athlete. Visual characteristics   Depth Perception: Stereoscopic
             of desired movement. It can     comprise the visual task demands
             control a movement during its   of any sport activity. A series of task   vision is the ability to judge the relative
                                                                               distances of objects from the athlete
             execution and evaluate the final   subcategories is presented and can be
             result which allows changes to be   used to develop a profile of the salient   by means of binocular vision (using
                                                                               both eyes). Stereopsis is of utmost
             made in the future.             features involved in a sport. 6-9
                                                                               importance in any sports where
          VISUAL SKILLS AND                    Static Visual Acuity:  This is the   the relative distance of moving or
          ANALYSIS IN VARIOUS                degree of detail that can be seen in   stationary objects need to be judged
          SPORTS                             an object or the ability of the eyes to   with great precision.
                                             resolve differing sizes of objects at
             A practitioner’s depth of       various distances e.g. Archery, pistol   Eye Movements (Ocular
          knowledge concerning a sport activity   shooting and darts.          Motilities): Ability of the athlete
          provides the foundation for delivering                               to accurately use his/her two eyes
          the highest quality vision care for   Dynamic Visual Acuity: Is also   together to fixate on an object or

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