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At the [4th APTOS Symposium](http://2019.asiateleophth.org/), experts will share how emerging, innovative digital technologies are used in different parts of the world to enhance ophthalmic care. The theme of this year’s meeting will be the evolution, validation, and sustainability of AI. We will see how far AI has evolved from the inaugural APTOS Symposium in 2016 and look at what it is next in this exciting field. A goal of this competition is to capture algorithms across the world and train new data scientists. 

We would like to invite investigators, hospitals and/or companies to participate in the Challenge either as an individual or a group. Through friendly competition, we can improve and strengthen our computer models as well as friendships.  Winning teams will be recognized at [APTOS 2019](http://2019.asiateleophth.org/). We will also further our roundtable discussions on the practicality and the regulatory implications of emerging digital technologies as well as ethical considerations.