![PolyU start-up launches innovative spectacle lens to slow down myopia progression; Deploys two PolyU patented technologies to protect children's vision health | The Hong Kong Polytechnic University PolyU start-up launches innovative spectacle lens to slow down myopia progression; Deploys two PolyU patented technologies to protect children's vision health | The Hong Kong Polytechnic University](https://www.polyu.edu.hk/-/media/department/home/media-release/2022/20221207/4.jpg?bc=ffffff&h=525&w=1000&hash=E6A8F362F8475C7797E487E337EC4435)
PolyU start-up launches innovative spectacle lens to slow down myopia progression; Deploys two PolyU patented technologies to protect children's vision health | The Hong Kong Polytechnic University
Cámara réflex | Canon EOS 90D, CMOS 32.5 MP, 4K, Wi-Fi, Bluetooth, Negro + EF-S 18-135mm f/3.5-5.6 IS USM
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