Don't Ignore It!: Your question states you are 18, but also states '47 years'. At 47, it's very common to start having a lot of trouble focusing at near. Most serious conditions will affect both near and far vision. Without knowing more about your concern, it's difficult to know how worried you should be. But if you truly think you're going blind, you should see an eye doctor asap.
Answered 4/18/2016
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