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.

- Yes, Doctor.

- Can you move your fingers for me?

- Just tell him he's had a concussion. His brain is bruised, and like any bruise, it's gonna swell. Now that swelling is almost certainly what's affecting his vision.

- You have a concussion and your brain is bruised and it's going to swell. It's certainly gonna affect your vision.

- You mean this will go away?

- Tell him we're gonna run some tests to confirm everything.

- What did his helmet look like and was it cracked?

- No.

- Was it scratched?

- Are you a brain doctor?

[...]