You have a concussion and your brain is bruised and it's going to swell. It's certainly gonna affect your vision.
8 seconds sound clip from the Days of Thunder movie soundboard.
You can hear this line at 00:40:18 in the Blu-ray version of the movie.
Quote context
[...]
- I can't see. God, tell me what's going on! I'm blind, God damn it!
- What's your name? What's your name? Cole, would you help us out and lie still, please?
- C-spine and CAT scan, right away.
- Can you move your fingers for me?
- Tell him we're gonna run some tests to confirm everything.
- What did his helmet look like and was it cracked?
- No.
- Was the helmet scratched at the front or the back?
[...]