From: dream!Marcus_Brodeur@bikini.cis.ufl.edu (Marcus Brodeur)
Subject: Re: PSYCH: How 'bout this one...
Date: 5 Mar 93 04:17:45 GMT
Organization: DreamStates BBS & CyberNet HQ in G'ville, FL   1-904-331-4317



 RH> I suggest you refer to the forthcoming paper in Opthalmic and
 RH> Physiological Optics, titled "Binocular Vision in a Virtual World",
 RH> for an in-depth summary of the visual problems caused by HMD screens.

For those of who have no access to the aforementioned publication, would
you be so kind as to summarize the results found within it for us here at
sci.virtual-worlds?

I have used a Virtuality game system for 5 minutes at a stretch with no ill
effects...nor hint of eye-strain.  Disorientation, certainly...that goes
hand in hand with a virtual environment.  But not actual strain on the
rectus muscles.  Perhaps the story would be different after a solid half
hour or hour, but 5 minutes (as mentioned in the letter you were quoting)
does not seem "far too long" to be using a HMD.

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