Peripheral vision is reduced even progressing to tunnel vision and then to blindness in what eye disorder

Retinitis pigmentosa is a genetic disorder of the eyes that causes decreased peripheral vision, which could progress to tunnel vision and will make the rod photoreceptor and cone photoreceptor cells of the retina to deteriorate causing blindness. Furthermore, finding dark deposit pigments in the retina is a basis for its diagnosis and this eye disorder has no cure.

the transfer of energy between two molecules spaced just nanometers apart plays a key role in many technologies, including photovoltaics, quantum information systems, lighting, and sensors, as well as in biophysics to measure nanometer distances and in photosynthesis. but an open question in this area is what effect, if any, the surrounding photonic environment has on this nanoscale energy transfer. by designing and performing a carefully controlled experiment to answer this question, scientists have settled the debate and found clues to improving the efficiency of many of the technologies that rely on this process.

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