[Tig] Newbie Tues: white square?

Josh Petok josh at joshpetok.com
Tue Mar 26 16:44:24 GMT 2013

In the past, I had noticed some grading suites had an illuminated white square patch on a wall close by. I heard that this was used to "cleanse"' your eyes while coloring. Is this effective and are there any suites that still use this?

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