The pattern of myriad, tiny blood vessels in the retina of the eye-as individual as a fingerprint.
9 seconds sound clip from the Batman (1966) movie soundboard.
You can hear this line at 01:05:11 in the Blu-ray version of the movie.
Quote context
[...]
- It looks bad, Batman. This brassy bird has us buffaloed.
- There's one method of identification which no criminal can evade.
- The pattern of myriad, tiny blood vessels in the retina of the eye-as individual as a fingerprint.
- But don't you have a complete anti-criminal eye pattern master file in your fabulous Batcave?
- Why don't you take me there?
- You'd be willing to submit yourself to a test?
- Why, of course. It might be an amusing experience, don't you know?
- Stand by to catch him, Robin. I'll give him the bat gas.
[...]