Environmental Engineering Reference
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(b) exhibit the levels of eyestrain and blurred vision symptoms experienced by users when
interacting with the VE. Only the red colour significantly resulted in blurred vision. This
might be caused by the red colour causing discomfort to the eyes when a virtual object is in
motion. The colour is also quite glaring in such a way that it would be difficult for the eyes
(a)
(b)
Fig. 2. (a) Level of eyestrain symptoms (b) Level of blurred vision symptoms
