Page 128 - July-August 2020
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and appropriate referral has to be   years of age without a primary     Additional testing can be
          made. As eye care professionals are   complaint of strabismus        decided by the clinician based
          used to touching the kids during   c.  Undilated refraction can      on the visual complaints of the
          examination, it is important to      be deferred if a cycloplegic    patients. It is important to optimise
          consciously ensure not to touch the   refraction is planned, and     and reduce the time spent for
          kids during assessment and to use                                    refraction or prism adaptation
          the help of the parent or caregiver   subjective acceptance can      which is  done as  part of  the
          to assist during visual acuity       be deferred wherever the        decision‑making  process in
          assessment, testing eye alignment,   decision is to be taken based on   binocular vision.
          performing refraction and slit‑lamp   cycloplegic refraction
          examination.                       d.  Applanation tonometry to      VISION THERAPY (VT)
                                               be done only in aphakia,           In regular optometry clinics
          PAEDIATRIC WORK‑UP AND               pseudophakia, and glaucoma
          REFRACTION                                                           where infrastructure support is
                                            BINOCULAR VISION AND               not available to maintain physical
             Visual acuity assessment: The   VISION THERAPY CLINIC             distancing during in‑office vision
          optometrist should use noncontact   GUIDELINES                       therapy, software‑based home
          occlusion such as tissue papers                                      therapy should be prescribed. In
          and extra precautions need to be   HISTORY TAKING                    general, software‑based home
          taken to avoid peeking. In younger                                   vision therapy (VT) options can
          children, parents can hold the tissue   Although history taking is   be explored toward providing
          paper to occlude, after appropriate   an important component of a    tele‑vision therapy consultation
          hand hygiene is ensured for them.   binocular vision/orthoptic clinic   and management. Indigenous
          Use handheld autorefractors       work‑up, it is important to reduce   software available commercially
          to assess refraction as it has    the time taken for the same. The   can be utilised toward the same.
          been validated in the paediatric   history can be administered over   The VT instructions can be
          population. [19‑21]  Over refraction   phone or the symptom survey can   e‑mailed or sent as photos to the
          with retinoscopy can be done if   be e‑mailed if patients have prior   patient to reduce the use of paper
          visual acuity is 6/6 and wherever   appointments and email access.   copies. Also, it is advised that the
          applicable to reduce the time taken   CLINICAL PROTOCOL              patient procures their own home
          for work‑up.                                                         VT kit for additional teaching and
                                               Use over‑refraction to quickly   training rather than using the
             What can be omitted from       re‑check the refraction. Borish
          the regular work‑up during the    delayed testing and modified       equipment in the clinic.
          COVID‑19 times to reduce the      Borish delayed testing can be         Due to the increased use of
          work‑up time?                                                        digital devices and related visual
                                            utilised to manage refraction in
          a.  Children less than 3 years    the presence of accommodative      complaints, webinars can be
             seeking emergency consultation   dysfunctions to reduce the need   organised for patients and parents
             can be directly referred to the   for cycloplegic refraction. In place   to raise awareness about visual
             ophthalmologist                of a comprehensive binocular       hygiene and binocular vision
                                                                               dysfunctions during the long hours
          b.  Conventional routine sensory   vision assessment, the minimum    of work from home.
             and motor evaluation           test battery that includes phoria
             procedures such as stereopsis   measurements at distance and near,  LOW VISION PRACTICE
             and worth four dot testing can   binocular accommodative facility,   GUIDELINES
             be deferred in children who    near point of convergence and near    To reduce the chair time and
             come for routine testing and in   point of accommodation can be   number of visits to the clinic,
             refractive error testing. Avoid   performed. This is to ensure that the      the following strategies can be
             touching, maintain physical    binocular vision assessment timing   considered:
             distancing. Hirschberg’s test can   is reduced and yet to ensure that
             be performed to document eye   common non‑strabismic binocular    a.  Relevant history and information
             alignment in children above 12   vision anomalies are not missed.    on functional needs can be

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