Are you experiencing these floaters for the first time or have they been there and disappeared earlier also. If you are experiencing them for the first time you must go for a dilated examination of your retina once again. As it's better to be safe than sorry. Floaters are a sign in case of retinal tear or holes which are again common in myopes as are these floaters.
Next Steps
Get your dilated funds examination done once again.
Health Tips
Avoid lifting heavy weights, doing strenuous exercises and work as such activities in myopes increase chances of retinal tears/holes and subsequently retinal detachment.