No, there is nothing you can do stop double vision without it being a permanent fix. Some of the permanent treatments include eye exercises, wearing a patch, prism correction, and surgery.
If you look at the scientific name for them (permanent markers) you'll notice that, by name, they're permanent; thus making them permanent. The fact that they are permanent is best shown by the fact that they are called "Permanent Markers."
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False permanent magnets can but electromagnets need a running current A+
Well, one theory is that the chemicals contained in the whiteboard marker somehow reacts to the permanent marker, making it rub off, but it is not an excellent way to clean off permanent marker.
long term in nature
Permanent magnets can be made by :- 1. Applying elecric field to the magnet put in between the coils of solenoid. 2. By putting magnets on the tracks of trains.
People could get permanent copies of papers faster with out writing it out by hand.
When they are long term in nature