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…
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…