Does this work no matter the actual impairment that has caused the blindness, for, particularly when blindness begins at birth or infancy, it can arise by a number of different causes, resulting in different kinds of impairment. One “solution” may not fit all circumstances.
“Does this work no matter the actual impairment that has caused the blindness, for, particularly when blindness begins at birth or infancy,”
No. The article refers to improving only central vision. Typical degradation due to age-related Macular Degeneration.