On reading for >30 mins, playing board games etc, irritating headache in back of head,feeling incapacitated then,24/m;got retina checked;dry eyes;?

Headache s/p reading: Have you checked you TSH, free T4 thyroid may be from that., especially since you are on thyroixine may be too high. Could be eye strain when you checked your retina did they check vision astigmatism , strabismus and eye coordination? Also could,cervical spine strain ,try motrin( if no allergy) dry eyes usually would make you rub your eyes. rarely could be mass or vascular in brain f/u w/doc