well i wish i got crazy highs like that when i smoke but i never do no mater how dank it is... maybe ur brain chemistry or sumtimes makes u react differently to weed because I never heard of this happening from weed...... althoguh i dunno about any one else but i get closed eye visuals on weed sometimes like il see patterns of differnt colors just chnaging and shifting but this only happens when my toleracne is at zero and i smoke ALOT