Obviously, though, the feed from his optic center still worked.

I struck for the right optic center, clamped down with a death grip.

It might be possible to maintain an image in the mind if one knew how to stimulate the optic center in the right way.

Generally, it is least present at the optic center and gets progressively worse as one looks towards the edges of the lens.

An ink coated stylus is used to mark optic centers on the lens in the optical laboratory.

He would have to ask the wizards to check the optic centers of his brain out very carefully, if he ever got back to Praunce.

I looked it up for this purpose, and all I've made out so far is that its radiations stimulate the optic center of the brain directly, without ever touching the optic nerve.

"You're sending out thou- sands of tiny pulses per second from those membranes on top of the horns, and these are being returned to your ears and fed to the optic centers of your brain.

There was some feedback from the equipment to the optic centers of the brain, making the control a partly visual process, trickily akin to imagination- inexperienced pilots often got into trouble imagining that there was no difference.

A chip located in the user's eye would then electrically stimulate the retina with this pattern by exciting certain nerve endings which transmit the image to the optic centers of the brain and the image would then appear to the user.

There is a two-way spliced into her auditory nerve and a receiver tagged to the optic centers of her forebrain, at the moment monitoring police broadcasts, a constant Times Square of an LED running amber, at will, above her expanded vision.