When it comes to scrying methods, the options are pretty much limitless. The scientific words for the visual effects of scrying is called Troxler’s Fading, which basically means that the fixation point fades away after a while.
I’m a person that likes challenges and to try new methods. There is one visual illusion called Lilac Chaser, which might be used as a “tool” for scrying.
Focus on the center and something will sure happen.
Maybe it’s helpful? I will try it! 