You know what it looks like… but what is it called?
TAKE THE QUIZ“pigmentosa”
We have one entry that includes the term pigmentosa.
retinitis pigmentosa
noun: any of several hereditary progressive degenerative diseases of the eye marked by night blindness in the early stages, atrophy and pigment changes in the retina, constriction of the visual field, and eventual blindness
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Merriam-Webster unabridged