Book excerpt: This book constitutes selected and revised papers from the First International Conference on VR/AR and 3D Displays, ICVRD 2020, held in Hangzhou, China, in December 2020. The 12 full papers presented were thoroughly reviewed and selected from 29 submissions. The papers present recent serearch on virtual reality, augmented reality, 3D displays and related topics, including but not limited to human-computer interaction, near-eye displays, naked eye 3D displays, modeling, simulation, animation, and applications.