Suggest Remedy For Headache

For the past couple of months ive been getting really painful throbbing headaches on the left side of my head and behind my left eye. ive had my eyes tested and 2 print outs showed a loss of light sesitivity in my left eye the 3rd was normal. but these headaches ae continous and the only time i feel at ease wih them is when i close and relax my left eye..