Page 84 - The Indian Optician Digital Edition May-Junel 2022
P. 84

HIGH-TECH EYE DROPS



         HELP PREVENT


         CORNEAL DAMAGE























                                                                                                               CREDIT DOI 10.7150 THNO 65098















                 ew research has laid the groundwork for      has enormous potential and also offers a chance
                 a long-lasting eye drop and shown the        for scientists to try these drugs to treat other
         Npotential of nanotechnology to deliver              eye conditions. This research can be more
          targeted treatments that could protect the          helpful than the current therapies. The eye drops
          cornea from sight-threatening damage. To treat      invented would be less invasive than other types
          corneal neovascularisation (CoNV), a condition      of treatments, such as eye injections or surgery.
          that globally affects more than a million people    Also, these drops only need to be administered
          each year, this pathbreaking research will lead     once a day.
          to new and effective treatments. This pre-clinical
          study tests the use of nanomedicine to deliver         The cornea allows light to enter the eye and
          drugs to treat damaged corneas.                     does most of the focusing for the eye. This is
                                                              why the cornea must be clear to allow light to
             Led by Associate Professor Rick Guei-Sheung      pass into the eye and have a regular curve to
          Liu and Dr Sloan Wang, the study has been           help focus the light. Unfortunately, trauma, toxic
          published in the Theranostics journal. Dr Liu       chemical injuries, and infections like chronic
          completed the current study when he was at the      blepharoconjunctivitis or keratitis can cause new
          University of Tasmania in collaboration with the    blood vessels to form and extend deep into the
          Taipei Medical University.
                                                              cornea. This can cloud the cornea and interfere
             According to Dr Liu, the head of Genetic         with one’s vision. This condition can even lead to
          Engineering Research at CERA, the technique         significant vision loss. In such advanced stages,



      80 THE INDIAN OPTICIAN  MAY-JUNE 2022                                                           TECH UPDATE
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