David O. Harrington, M.D.; Milton Flocks, M.D.
JAMA. 1955;157(8):645-651. doi:10.1001/jama.1955.02950250019005.
Text Size: A A A
Published online

Extrafoveal vision is one of the most important of all ocular functions. It is essential to locomotion, and, in this era of rapid movement, it is of greater protective value to the human organism than any other of the special senses. Certainly it is of more importance today than ever before in history. A correct analysis of abnormalities of the visual field has a diagnostic value in disease of the entire visual pathway that can hardly be overemphasized. Ocular dysfunction is frequently reflected in defective visual fields as are disease in the entire supratentorial compartment of the intracranial cavity and some general systemic disturbances of both somatic and psychic origin. Examination of the visual field includes many methods and devices. Most of them are cumbersome and difficult to use with any degree of both speed and accuracy. The complexity of the methods available, the time required to apply these methods,


Sign In to Access Full Content

Don't have Access?

Register and get free email Table of Contents alerts, saved searches, PowerPoint downloads, CME quizzes, and more

Subscribe for full-text access to content from 1998 forward and a host of useful features

Activate your current subscription (AMA members and current subscribers)

Purchase Online Access to this article for 24 hours

First Page Preview

View Large
First page PDF preview




Meets CME requirements for:
Browse CME for all U.S. States
Accreditation Information
The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
Note: You must get at least of the answers correct to pass this quiz.
You have not filled in all the answers to complete this quiz
The following questions were not answered:
Sorry, you have unsuccessfully completed this CME quiz with a score of
The following questions were not answered correctly:
Commitment to Change (optional):
Indicate what change(s) you will implement in your practice, if any, based on this CME course.
Your quiz results:
The filled radio buttons indicate your responses. The preferred responses are highlighted
For CME Course: A Proposed Model for Initial Assessment and Management of Acute Heart Failure Syndromes
Indicate what changes(s) you will implement in your practice, if any, based on this CME course.
Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).


Some tools below are only available to our subscribers or users with an online account.

Sign In to Access Full Content

Related Content

Customize your page view by dragging & repositioning the boxes below.