when i blink i see a small spot of a flash of light in my right eye in the center of my vision?

it is similar to when i accidentally look at something very bright, such as sunlight glinting off something, and when i blink i can see the light still even when i’m not looking at it. but i have not looked at anything bright recently – it’s rather dark inside and out right now – [...] http://bit.ly/9UkCbE