S. Condino

Information Engineering Department, University of Pisa, Italy, and the EndoCAS Center, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Italy.


  • Perceptual Limits of Optical See-Through Visors for Augmented Reality Guidance of Manual Tasks

    The current generation of consumer-level Optical-See Trough (OST) Head-Mounted Displays (HMDs) generally renders the virtual content on a fixed focal plane located at a distance of 2 meters or more from the user. As a consequence, during manual task, the user not only experiences a vergence-accommodation conflict, but also a mismatch in the ocular accommodation stimulus for the virtual content and the real-world scene (his/her eyes can’t focus on both virtual and real objects simultaneously). This work presents a mathematical formulation of this latter optical issue and experimentally shows that such conflict can affect the accuracy of Augmented Reality (AR) guided manual tasks.


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