Refraction and how to refract
Subtitle: including sections on optics, retinoscopy, the fitting of spectacles and eyeglasses, etc.
Edition: [1st]-    ed.
Publisher: Blakiston
Published: 1900
Place of publication: Philadelphia
Language: eng
Number of pages: 301
Subjects: Eye -- Examination; Eye -- Accommodation and refraction
Notes: Microfilmed for preservation