Your description that your vision is ”100%” at certain times does suggest that you have managed to obtain a successful outcome from your ReLEx SMILE surgery.
The fact that your vision seems to fluctuate would suggest other possible causes of transient blurring of vision which may include blepharitis, dry eyes or fatigue.
Rather than ponder over all the various possibilities, it would be best that you subject yourself to an eye exam by your surgeon to ascertain its root cause, and then the appropriate advice and treatment can be prescribed leading to a better overall post-operative experience.
Read more about ReLEX SMILE surgery in this guide I've written.
