VR based strabismus diagnosis using image processing (Conference Presentation)

Yinan Miao; Hweekwon Jung; Gyuhae Park; Hwan Heo

doi:10.1117/12.2514254

29 March 2019 VR based strabismus diagnosis using image processing (Conference Presentation)

Yinan Miao, Hweekwon Jung, Gyuhae Park, Hwan Heo

Proceedings Volume 10970, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2019; 109701G (2019) https://doi.org/10.1117/12.2514254
Event: SPIE Smart Structures + Nondestructive Evaluation, 2019, Denver, Colorado, United States

Abstract

Strabismus is an eye movement disorder that the eyes do not properly align with each other when looking at an object. This disorder is usually caused by muscle malfunctions, nerve problems or injuries. Currently, the ophthalmic prism with two nonparallel planes is used to diagnose the strabismus angle. The light into one eye is refracted when passing through the prism, which adjusts both eyes to looking forward. The strabismus angle is then identified after checking the parameter of the prism. However, the whole process is operated depending on the doctors’ experience which shows somewhat low efficiency and low accuracy. In this study, an automated strabismus diagnosis technique using VR device is developed. A specially-designed VR is built to simulate the normal strabismus diagnosis steps, in which screens are controlled to change alternately between on and off. The eye motions are tracked by two IR cameras by an image-processing based pupil tracking technique. After tracking the motion of the pupil, the position information is converted to the strabismus angle by considering the eyeball diameter. With this process, the strabismus angle is accurately and automatically identified using a unique feature recognition technique. To demonstrate the performance of this technique, experiments are carried out on various persons, including strabismus patients. The results are compared to the doctor’s diagnosis. The results show that this technique could identify the strabismus angle with high accuracy and high efficiency.

Conference Presentation

Citation Download Citation

Yinan Miao, Hweekwon Jung, Gyuhae Park, and Hwan Heo "VR based strabismus diagnosis using image processing (Conference Presentation)", Proc. SPIE 10970, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2019, 109701G (29 March 2019); https://doi.org/10.1117/12.2514254

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KEYWORDS

Image processing

Eye

Prisms

Infrared cameras

Cameras

Diagnostics

Infrared imaging

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