In RP, preventing cone cell
death is a very promising therapeutic approach as vision can remain substantial in patients with 95% cone loss.
But that discovery raised another mystery: If Muller cells channel all available light to cone cells
, how do rod cells get enough light for people to see in the dark?
Our eyes work by receiving light that starts off a chain of complex chemical reactions in rod and cone cells
The implant is especially designed for patients with retinitis pigmentosa (RP) a condition, which damages the light-sensitive rod and cone cells
of the retina.
The scientists also found that many of the cone cells
that were on the verge of dying before the transplant appeared to regain or retain their function.
Artificial retina Responds to light like rod and cone cells
in a real retina.
Rod cells are more numerous than cone cells
and are crucial for vision at night and in other low lighting conditions.
I was told that my rod and cone cells
were gradually dying off and that eventually I would go blind.
In ten of the 17 species, no cone cells
Some patients also lose daylight vision and go blind completely as the color-sensing cone cells
of the inner retina slowly degenerate.
Nanometer-Scale Growth of Cone Cells
Tracked in Living Human Eye
London, Sep 22 (ANI): Scientists have successfully translated retinal cone cells
, vital for colour vision, into blind mice.