In time the retinal pattern would decay, but for now it was good enough to fool the cameras.

We've got to prove, by retinal patterns and gene analysis, that he exists at all.

His retinal pattern was recognized, and the great doors swung silently open.

And we haven't an inkling, except for his retinal pattern, of who the Head is or where he is.

Besides, if s the retinal pattern that'll convince them.

He might have hyper-waved Earth, or taken his retinal patterns.

"You got her ident number, retinal pattern, anything like that?"

Even his retinal patterns have been altered, my agents report.

But the retinal patterns of his dark brown eyes matched those on file in the computer.

Master System's control points are based on retinal patterns, fingerprints, and mindprints.