Sentences with phrase «eye photosensitive»

That's because stem cells must be connected to existing neural networks — something that's not yet possible — whereas gene therapy simply involves making what is left in a diseased eye photosensitive.

Not exact matches

Genetic diseases like retinitis pigmentosa destroy the photosensitive cells of the eye, the photoreceptors, but often leave intact the other cells in the retina: the bipolar cells that the photoreceptors normally talk to, and the ganglion cells that are the retina's output to the brain.

Early eyes might have been nothing more than a patch of photosensitive cells that could tell an animal if it was in light or shadow.

But the eyes» only known photosensitive cells, the rods and cones, weren't doing the job.

These ancient fish may have been among the earliest animals to evolve more complex, camera - like eyes as opposed to the strictly photosensitive vision possessed by more primitive species.

However, the evidence from the past decade or so has revealed a third class of photoreceptor within the eye; intrinsically photosensitive retinal ganglion cells (ipRGCs), which express their own distinct opsin — melanopsin [6,7].