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Investigating Vection Responses in Patients with Early Stage Glaucoma

Investigating Vection Responses in Patients with Early Stage Glaucoma

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Title: Investigating Vection Responses in Patients with Early Stage Glaucoma
Author: Brin, Taylor Adrian
Abstract: Purpose: Our lab has previously shown that patients with early glaucoma have dysfunctional vection responses. We attempted to explain this finding using a combined index of structure and function (CSFI), originally proposed by Medeiros et al. (OVS 2012;130(9):1107-1116)
Methods: Roll and circular vection were evoked using a back projected screen (Experiment 1) and the Oculus RiftTM system (Experiment 2), respectively. The CSFI, was obtained using clinical data from visual field tests and optical coherence tomography.
Results: In Experiment 1, the log of vection latency was significantly longer for patients with glaucoma (t(21) = 2.39, p < .05). In Experiment 2, vection latency was significantly longer for the glaucoma group for both stimulus speeds (F(1,22) = 6.38, p = .019). However, the CSFI was not related to vection latency, duration, or rating (smallest p = .06).
Conclusion: In two different studies we replicated the finding that vection responses are longer in patients with glaucoma; however, the CSFI is not related to vection responses.
Subject: Psychology
Keywords: Vision
Glaucoma
Virtual reality
Vection
Type: Electronic Thesis or Dissertation
Rights: Author owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
URI: http://hdl.handle.net/10315/34365
Supervisor: Ono, Hiroshi
Degree: MA - Master of Arts
Program: Psychology(Functional Area: Brain, Behaviour & Cognitive Sciences
Exam date: 2017-07-28
Publish on: 2018-03-01

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