Talk to Eye Specialist on Tired/weak Eyes All The Time

hello dr .. i had consulted eye doctor for the feeling of tired eyes ... i always feel my eyes are really very very tired , sleepy ... and pain .. he had checked my eyes and retina and said everything is ok .. upon my request he adviced me a multivitamin named tharagran ultra for eyes ... but seriously its not making my eyes feel fresh, healthy or active .. dear dr mujy koi ek achi eye k liye multivitamin prescribe krein jiske koi bhi side effects na hoon .. jo meri ankhon ko taaqat day ... i have heard about visionex syrup is it good ?? or anything else ??