An extra set of eyes

Illustration by Vidya Vasudevan, http://vidyavineed.blogspot.com/
I wasn’t kidding. (Credit: Me)
It is possible to have all 4 at once? Yes. Wearing glasses that aren’t your prescription can be the cause. (Credit: http://howtorelief.com/headache-types-causes-medication/)

Cubicle Culturalist. Everyday Dude. www.j4musicandcomposition.com

Cubicle Culturalist. Everyday Dude. www.j4musicandcomposition.com