On Near Sight, Aged Sight, Impaired Vision, And The Means Of Assisting Sight/fr-ca/on-near-sight-aged-sight-impaired-vision-and-the-means-of-assisting-sight/6F8D1B8B-0B20-46DC-A5B0-4AE01ABA8D8C.html6F8D1B8B-0B20-46DC-A5B0-4AE01ABA8D8C
On Near Sight, Aged Sight, Impaired Vision, And The Means Of Assisting Sight