Nath, Siddharth; Korot, Edward; Fu, Dun Jack; Zhang, Gongyu; Mishra, Kapil; Lee, Aaron Y; Keane, Pearse A; (2022) Reinforcement learning in ophthalmology: potential applications and challenges to implementation. The Lancet Digital Health 10.1016/S2589-7500(22)00128-5. (In press).

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Abstract

Reinforcement learning is a subtype of machine learning in which a virtual agent, functioning within a set of predefined rules, aims to maximise a specified outcome or reward. This agent can consider multiple variables and many parallel actions at once to optimise its reward, thereby solving complex, sequential problems. Clinical decision making requires physicians to optimise patient outcomes within a set practice framework and, thus, presents considerable opportunity for the implementation of reinforcement learning-driven solutions. We provide an overview of reinforcement learning, and focus on potential applications within ophthalmology. We also explore the challenges associated with development and implementation of reinforcement learning solutions and discuss possible approaches to address them.

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