Vision
Subtitle: its optical defects, and the adaptation of spectacles
By: by C.S. Fenner
Publisher: Lindsay & Blakiston
Published: 1875
Place of publication: Philadelphia
Language: eng
Number of pages: 299
Subjects: Eye; Eyeglasses; Accommodation and refraction; Vision; Vision Disorders
Notes: "Selections from the test-types of Jaeger and Snellen."