Intermediate visual acuity of presbyopic individuals with and without distance and bifocal lens corrections
By: Kenneth W. Welsh, Paul G. Rasmussen, John A. Vaughan.
Contributors: Rasmussen, Paul G., joint author.; Vaughan, John A. joint author.; United States. Office of Aviation Medicine.
Series: FAA-AM -- 77-7.; FAA-AM (United States. Office of Aviation Medicine) -- 77-7.
Publisher: Dept. of Transportation, Federal Aviation Administration, Office of Aviation Medicine; for sale by the National Technical Information Service
Published: 1977
Place of publication: Washington; Springfield, Va
Language: eng
Number of pages: 15
Notes: Prepared by FAA Civil Aeromedical Institute.

"March 1977."

Includes bibliographical references.

SHORT ANALYTIC RECORD. EVALUATE LATER FOR SUBJECTS.