I had lasik treatment for both eyes four years ago. Now I'm 25, and I'm unable to read small letters. What can I do?

Hi this is Navakanth ,4yrs back I had lasik treatment for both Eyes,now my Age 25,from past one month back my left eye blurry and .75 sight ,there is no power in the right eye at the time but now right eye also becomes blurry,give me best suggestion wat I need to do,after two yrs of surgery I met my doctor due to not able to read small letters then he said u r eyes becoming dry n suggested to use systane eye drops n omega fatty ,pls anyone suggest me how to get rid of my eye sight back ,