It seems to be getting “blurry” (just barely - very subtle, but enough to notice), and about once a day the whole screen will suddenly “vibrate” for a second or two.
I vote yes. But you can’t know when it will fail, so just use it until then, or until it becomes unbearable.
If the “vibrating” comes with a funny sound it may be a degauss. Check to make sure your power plug is secure.
(If you’re approaching 40, the blurriness is more likely presbyopia sneeking up on you.)