I also don't like multiple monitors I tried it in my workplace and I believe I'm more effective with 1 screen. I also notice that my sight is getting worse aft

I also don't like multiple monitors I tried it in my workplace and I believe I'm more effective with 1 screen. I also notice that my sight is getting worse after sitting on my laptop 15 hours a day for almost two years (13,7 inch macbook) It's a bad habit i should change