Sentences with phrase «blind rod cells»

And astronomers illuminate their sky charts with red light, which makes objects visible to the cone cells without affecting the red - blind rod cells and forcing the dark - adaptation process to begin all over again.

Not exact matches

Last year, Robin Ali of University College London and colleagues demonstrated that immature retina cells from newborn mice could form rod cells — a type of light - gathering cell — that wire into the retinas of night - blind adult mice (SN: 5/19/12, p. 13).

The therapy employs a virus to insert a gene for a common ion channel into normally blind cells of the retina that survive after the light - responsive rod and cone photoreceptor cells die as a result of diseases such as retinitis pigmentosa.

The light - receptive cells that an armadillo does have, called rods, are so sensitive that daylight renders the nocturnal animals practically blind.