Usually in young adulthood the first signs of RP are noticed although it can occur at any age. While mainly hereditary, other causes are not well known. Night blindness is the first sign along with loss of peripheral vision. Mobility becomes difficult once a person is left with only central vision. Five years ago, a significant breakthrough in genetic research resulted in a better understanding of RP, but further research is left to be done to find better diagnostics and treatment.

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