A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Polarized Sunglasses for CN
From: Greg Rudzinski
Date: 2018 Apr 1, 16:56 -0700
The two sets of polarized lenses I have must be matched pretty close because I experience a pleasant optical comfort when wearing either pair. When one lens is swapped out with a non polarized lens so that one eye is polarized and the other isn't then I sense the dizziness that you are talking about.
From: Tony Oz
Date: 2018 Apr 1, 15:02 -0700
I'm interested to know how good the filters are aligned (the left-eye and the right-eye) regarding the polarisation axis orientation.
I have a cheap polarising sunglasses that have ~3°~5° mis-alignment between the filters. When I put them on I start feeling a sea-sickness coming on me - even on land. I attribute that to the mis-alignment of the filters that eleminates the glare differently to each eye - affecting the binocular/stereoscopic vision, making my brain go dizzy.
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