Page 129 - The Indian Optician Digital Edition March-April 2021
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EYE CARE AMID COVID 19: ALL                                          of Engineering Science and
                                                                               Mechanics (ESM).
          YOU NEED TO KNOW
                                                                                  Cheng’s paper published
             The psycho-social impact        subsequent lockdown, and          in Microsystems &
          of COVID-19 is affecting           the scare of the second wave      Nanoengineering explains how
                                                                               a new micro- and nano-device
          the mental health of many          amongst their top reasons for     technology could revolutionise
          people. But there are other        missing their appointment.        the way health conditions are
          hidden, seemingly avoidable           Another reason behind the      monitored and treated.
          health issues that can lead        deteriorating ocular health of
          to irreparable damages if          people at large is increased         “We sought to create a
          neglected. One such issue that     screen time. People working       device that collects both
          needs special mention is ocular    from home are spending way        small and large substances
          health. Eye diseases are often     too much time on screens          of biofluids such as tears and
          present silently, be it glaucoma   than they previously did. Being   saliva, which can be analysed
          or diabetic retinopathy.           connected for almost 12-16        for certain conditions on a

             All eye OPDs are now seeing     hours a day definitely comes       rapid, continuous basis, rather
          a sudden surge of patients         with a set of perils. Crumbling   than waiting on test results
          coming with advanced stages        sleeping patterns have also       from samples in a lab,” he said.
          of cataract, loss in vision due    added to the woes of the             The sensors would be placed
          to glaucoma, or even with          patients.                         near the tear duct or mouth to
          severe bleeds inside the eye.      WHAT TO DO?                       collect samples, which would
          The pitfall is that patients are                                     then produce data viewable on
          landing up with irreversible          Patients must understand       a user's smartphone or sent to
          vision losses and increased        that caregivers are taking        their doctor, explained Cheng.
          probabilities of complicated       all necessary precautions
          surgeries and procedures.          to ensure that the safety of         The tears- and saliva-sensing
          People are readily ignoring        the patients does not get         technology can help manage
          ominous symptoms and signs         compromised under any             diseases like oral ulcers, oral
          such as red-eye, blurred vision,   circumstances. Hospitals          cancer, eye wrinkles and
          or floaters and even tolerating     that are accepting COVID          eye infections like keratitis –
          pains and photosensitivity.        patients have segregated and      inflammation of the clear tissue
          It only gets worse when            isolated the section of the       on the front of the eye.
          they try to treat them with        hospital where they are being
          home remedies or even self-        treated. Therefore, do not delay     He further clarified that the
          medication.                        treatment.                        new device not only collects
                                                                               data but also administers
             Ophthalmologists across            Source: The above article is   medicine with a microneedle
          the globe have witnessed a dip     penned by Dr Mahipal S Sachdev,   through the skin around the
          of approximately 30 per cent       managing director, Centre for     eye, mouth or tongue. “Through
                                             Sight, New Delhi, for The Indian
          in their regular patients who      Express.                          nano- to micro-steel ports on
          have cited the pandemic, the                                         the device, we can probe the
                                                                               cell to deliver molecular drugs
                                                                               for treatment in a very efficient
                        B
                        B
                                  E
                                             R
                A
          W
          WEARABLE SENSOR FOR PATIENTS                                         process at the cellular level,”
                                                F
          W
                                                                               Cheng said.
          W
          WITH EYE OR MOUTH DISEASE
          W      H       E         M          H
                         E
                                                                                  The researchers are
                                                                               developing working prototypes
                                                                               and are in talks with local
             A A new kind of wearable        diseases, according to Huanyu     manufacturers as well as the
          health device is expected to       'Larry' Cheng, Dorothy Quiggle    National Institutes of Health
          deliver real-time medical data     Career Development Professor      and Amazon for manufacturing
          to those with eye or mouth         in the Penn State Department      the device on a large scale.
                                                                                |  MAR-APR 2021  |  125  NEWS IN BRIEF


   Mar-Apr 2021 SK News.indd   9                                                                             27-04-2021   15:47
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