Seems to be refuted by [1] though there's no source. >while the older generation of the Inuit in Canada had nearly no cases of near-sightedness, between 10 and

Seems to be refuted by [1] though there's no source. >while the older generation of the Inuit in Canada had nearly no cases of near-sightedness, between 10 and 25 percent of the next generation was myopic https://en.wikipedia.org/wiki/Near-sightedness#Causes https://en.wikipedia.org/wiki/Near-sightedness#Causes