Although not common but yes its indeed one of the side effects seen post Lasik.
U shd avoid overusing ur eyes for tv, mobile and let them relax more often.
Use lubricating eye drops 5-6 times a day.
Eye exercises for muscle weakness.
In another 2-3 months, it shd slowly go away.
Health Tips
Get ur vision also checked for any residual spectacle power left (post lasik).