And, how come you can't detect colors when it's dark?

So, a solution to the problem, then, would be to build a device that could mimic the actions of that front end circuitry and send signals to the retina's output cells, and they can go back to doing their normal job of sending signals to the brain.

Yeah, it's called Retinitis Pigmentosa.

Light travels through the pupil, through the eyes interior.

So let me start in on that problem.

Colors are flavonoids and polyphenols.

It's a very difficult procedure, but it is possible to photograph this image.

But fingerprints and retinas are unique.

They receive comprehensive eye exams.

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This is a 21 year old Palestinian woman undergoing hymenoplasty.

This is another example of patient specific stem cells that were engineered from someone with retinitis pigmentosa.

They'll be so small, they'll be embedded in our clothing, in our environment.

I found out the the following.

little bit and show you how a normal retina works first so you can see the problem that we were trying to solve.

It'll just bake your retinas.

So what happens when a person gets a retinal degenerative disease like macular degeneration?

I had retinal detachment five years ago.

his body will be unable

Here's one that's in prototyping by Medtronic that's smaller than a penny.

So it consists of two parts, what we call an encoder and a transducer.

I just wanted to say something about the standard method.

So we are really duplicating the kind of signals that you have on the optic nerve.

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The processing, of course, begins with the eyes.

It works.

also a work of fiction.

Next he has to pass a retinal scan.

So they break down

So this is how close your mental experience and the activity of the neurons in the retina, which is a part of the brain located in the eyeball, or, for that matter, a sheet of visual cortex.

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Now,pull up the inner mucosal layer.

This structure, then, can organize the formation of a membrane boundary around itself, so it can make a body of

In metaphase I let me just copy and paste what I've already done the nuclear envelope is now gone.

He is going to save my Maria and the baby with an operation.

Carmen Puliafito, who developed a laser scanner of the retina,

So it's just math.

My father has been in good shape since his operation.

Light perception happens in a paper thin layer of cells, called the retina, that covers the back of your eyeball.

We're going to take these blue light photosensors and install them on a layer of cells in the middle of the retina in the back of the eye and convert them into a camera just like installing solar cells all over those neurons to make them light sensitive.

I'm not sure cool is really the right word, but you know what I mean.

Here are the cues of motion, the kinds of cues that you get on your retina when things are moving.

But the only way your brain can do that, is that it has to, instead of generating a perception of the way the world was when light hit your retina, it has to do something fancier.

A doctor doesn't perform his first dissection

This is the real thing. There's no blood.