I highly doubt it is psychotic. I experience the colors and shapes
almost every am.
I use controlled breathing and mindfulness to deal with my issues along with medications.
I strongly suggest you let your doctor know 100% what is going on before you leave for college. You want to be on the correct meds to you can focus at your best.www.mindful.org
This site is a good place to start for breathing exercises and calming techniques to help with headaches and even OCD.