I feel I should document, just in case, a strange experience I had yesterday when I had a temporary loss of central vision in my left eye. I've never quite experienced anything like this. I've had floaters and blurriness surely caused from sleep deficiency and when I stand up too fast -- definitely not an optically rooted problem. But this... I was sitting here playing GTA, calm as can be, and BOOM! I saw what is commonly reported by those suffering from macular degeneration:

But that is known as an age related disease. Besides, it only lasted a couple minutes before it slowly faded away. If it happens again, I may consider looking into it.