[Skip to Content]
[Skip to Content Landing]
Article
April 1948

Transactions of the Ophthalmological Society of Australia (British Medical Association).—

Arch Ophthalmol. 1948;39(4):561-562. doi:10.1001/archopht.1948.00900020569019

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.

Abstract

These Transactions record the proceedings of the Australian Ophthalmological Society at its sixth annual meeting held on Oct. 23, 1946, in Melbourne. The president was J. R. Anderson, whose presidential address, "Our Common Enemy, Blindness," occupies more than 25 per cent of the volume. Following this are two papers by the guest of honor, Air Commodore P. C. Livingston, of the Royal Air Force. In the first of these, "Experiences in Night Vision in the Royal Air Forces," he recounts the development of testing methods in use in the R. A. F. He discriminates between the perception of light minimum (an elementary difference in threshold discrimination) and variations in the power to synthesize form. The latter was obviously the more important, and so the well known rotating hexagon was devised. It is fully described and illustrated in the paper. It was further found that the scotopic field varied considerably from

First Page Preview View Large
First page PDF preview
First page PDF preview
×