Principles of optometry.
Subtitle: Part I.
By: By Frederick L. Mason ...
Edition: 2d ed.
Publisher: Lithotone printed by A. Carlisle & Co., Upham & Rutledge, Inc.
Published: 1940
Place of publication: San Francisco
Language: eng
Number of pages: 436
Subjects: Eye -- Accommodation and refraction.
Other titles: Optometry, Principles of.
Notes: "Part II of the second edition ... does not exist and may never be attempted."--Author's letter.