Mine is a cone shape extending out from my natural blind spot with the point ending just before the center of vision. so It's easy to miss with both eyes open.

Mine is a cone shape extending out from my natural blind spot with the point ending just before the center of vision. so It's easy to miss with both eyes open. If I close one eye and look at a word, the word a few words to the right is.. a strange blur of the colours around it.