Defocusing Incorporated Soft Contact Lens (DISC) Technology


DISC technology is an innovation for myopia control which is developed by the research team led by Prof CH To in 2000. Through a series of animal study and clinical study showed that lenses with this technology can reduce the myopia progression around 60% in schoolchildren. This can highly reduce the development of high myopia population and risk of ocular diseases. This technology has been commercialised through PolyU academic-led start-up Vision Science and Technology Company Limited.

  • Defocusing Incorporated Soft Contact Lens (DISC) Technology  0
  • Defocusing Incorporated Soft Contact Lens (DISC) Technology  1
  • Defocusing Incorporated Soft Contact Lens (DISC) Technology  2
Technical name of innovation
DISC Technology
Research completion
Commercialisation opportunities
Product distribution
Problem addressed

To reduce the myopia progression of schoolchildren and prevent high myopia of the population.

  • First soft contact lens designed with defocusing power incorporated
Key impact
  • Reduction of Myopia progression by up to 60%
  • Provide clear and stable vision. Easy adaption and short adaption period
  • Gold Medal with the Congratulations of the Jury at the "2011 International Exhibition of Inventions of Geneva"
  • DISC-SH (2018) - The first custom made DISC technology contact lens. It is a 3 months replacement contact lens with power plano to -20.00D
  • DISC -1 Day (2019) - The first daily disposable DISC technology contact lens
  • MyoDISC (2022) - It is a DISC Technology spectacle lens which is under development, It will be launched in 2022-2023 period
The Hong Kong Polytechnic University (PolyU)

With over 80 years of proud tradition and ranking among the world’s top 100 institutions, The Hong Kong Polytechnic University (PolyU) aspires to be a leading university with world-class research and education.

PolyU is a home for educating thinkers, discoverers, innovators and communicators in delivering positive impact. We are committed to nurturing tomorrow’s leaders today, through a holistic education that provides graduates unrivaled placements to thrive in communities, industries and businesses.