Not very bright at all. The process of becoming blinded by light is because the iris contracts when the light level increases. The reverse process of dilation is slow for humans, so the return to darkness leaves your eye with insufficient light coming in to see in the environment you suggest. This isn't a binary factor.
The VA calculates the rate of pursuit by dividing the number of credit hours being pursued by the number of credits considered to be full-time for the term. As as example, if the term is 10 to 13 weeks in length, 12 credits is considered full time. If the term is 8 weeks in length, 8 credits is considered full time.
How many credits do I need to take in one semester in order to be a full-time student? A minimum of 12 credit hours is required for an undergraduate student to be full-time. A minimum of 9 credit hours is required for a graduate student to be full-time. Classes that you withdraw from are not counted towards full-time status.