Can virtual reality help us to understand the role of stereopsis in performing strabismus surgery?
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Stereopsis is a binocular phenomenon that gives rise to high-level depth perception. In simulated intraocular surgeries subjects with normal stereopsis tend to perform simulated surgery with better accuracy and efficiency than subjects with reduced or absent stereopsis. There is little known about the role of stereopsis in strabismus surgery. The study presented used a novel virtual reality strabismus surgery simulator to investigate the role of stereopsis in strabismus surgery. This study aimed to determine if the longstanding absence of stereopsis impacts the accuracy, completion speed, and efficiency of a task simulating an important step in strabismus surgery. While the surgical simulation system developed failed to collect the appropriate data due to technological and design limitations, this study brought to light important considerations for future strabismus simulator design. This study discusses considerations we recommend for developing a strabismus surgery simulator, and the importance of developing a better understanding of the role of stereopsis in simulated strabismus surgery.