Hi Sir, My Name is Haja from qatar, Native nagapattinam, regularly am suffered from headache , five years back i have checked with aravinth hospital madurai, and last i check with vasan eye care, they told me to no problem for your eyes, also suggest me to take calpal tablet while headache, (my local doctor suggest me to wear specs for eye reddish am not continue till ) really i feel bad while on headache. Thanks, Haja Najumudeen G