I am losing my eyesight

I spend most of my time staring at screens for work, and just yesterday I noticed I’m suddenly struggling to read things written at a distance — stuff I could read perfectly fine before. It's kinda freaking me out a bit.

I’m wondering if blue light filter glasses are actually helpful in cases like this, or if I should be looking into something else (like actual prescription glasses or maybe an eye exam?). Anyone been through this or have advice?

Appreciate any help!