Template:Eyes
From WikiManual
501 to 509 [[.eye{{{1}}}]] Returns a value inversly proportional to my distance from a viewed robot. Each eye views a 10 degree arc.
.eye5 looks straight ahead and is the most important eye of all because reference [[.variables. (or refvars) are calculated from this eye. .eye1 looks to the extreme left and .eye9 looks to the extreme right. About 45 degrees from the centre.