1801 – 1892
1 entries in the GMN corpus.
Image source · Morgan & Kidd · [1] · CC BY 4.0
1827 CE
#5847
Airy, Britain's Astronomer Royal from 1835 to 1881, was the first to devise a sphereocylindrical lens for correcting astigmatism, a condition from which he himself suffered in his left eye. Airy's method is still used…