 [ Symptoms ] i keep seeing blood red in my eyes this time the blood red filled my ees then it turned pitch black halfway up my vision i literally thought i ws going to pass out also i couldnt see anything past the blood red color  than black nearly took whole vision not floater i mean solid sheet black i felt suddenly like i was gonna pass out my blood presure is wnl within normal limits pulse was a bit higher due to fear but it to was wnl [ Disease ] so obviously this is a while later and i hope that you have seen your doctor and had your urine checked for infetcion chills associated with infections usually means a severe infection usually with buring blood in urine pain urgency to pee having to urinate very frequently weak stream etc my guess is from what you said it was just the environment or somehting else but each person is different and for one person may be severe symptoms others may have minimal symptoms of same infection