What did I do to ruin my monitor?

[TObject]

I ruined anti-glare coating on a Sony E500 monitor when I was cleaning it.
The coating is all scratched up and looks bad now. I used premoistened antistatic
monitor cleaning wipes. I do not understand how the damage happened.

I tried to replicate, by cleaning the monitor again exactly the same way,
but no new scratches appeared.

The only logical explanation I have is that possibly the dust that was
on the monitor surface got trapped by the wipes, and abbrased the coating.

Could that happen?

What should I use for monitor cleaning so that damage never happens again?

 

[TObject]

Update:

The scratches that show op on my Sony E500 monitor are old.

This may sound strange, but the antiglare coating scratches may
not be scratches at all, it just peels like that. Possibly the coating
dislodges in places where old scratches were, or maybe even
manufacturing inconsistencies on the glass, or during the coating
process. But, I determined that those are definitely not new scratches.

What we se here, is that anti-glare coating, at least on this kind
of monitor, is very fragile, possibly more fragile the older it gets.