darkness retreat and human blindness Experiment

No.13274642 ViewReplyOriginalReport
Im going to turn myself into a guinea pig for experimentation, and id like some medical info to avoid permanent damage to myself.
Im going to spend from 20 to 50 days in total darkenss. No light at all, not even a particle of sun light,just a very closed room. i'll eat,drink,and poop normally all the days(i hope)
Will this cause irreversible,or even temporary,damage the next time i see sun light?
A second longer experiment will be blind-folding me,this time ideally for a year long. My goal is to test,practice and develop human echo location, hearing abilities,etc,and also to see the effect lack of visual stimulation has on dream content.
Again,will long-term blinfolding damage the eyes nerves?