Whom should I consult now? I consult?

I am following symptoms. I consulted Neurologist Ent Eye doctor. Still the symptoms persist. I want to know exactly whom should I consult?, Symptoms blurred vision, unable to focus or concentrate as I used to previously while looking down and doing work in the same state. Pain in cervical and mainly centre part joining both cervicals. Pain in neck. Pain in left side lower back just below shoulder. Pain in Kamar. Daily routine work = cashier in Bank. Pain in eyes and unable to focus while counting notes seeing downside especially. Unable to concentrate clearly... I mean i feel likely I am working in unconscious mode. Recently I underwent MRI of brain. REPORT SAYS NO ABNORMALITIES IN BRAIN. I WANT TO KNOW WHOM SHOULD I CONSULT NOW.