This Article  • References  • Full text PDF  • Reply to article  • Send to a friend  • Save in My Folder  • Save to citation manager  • Permissions  Citing Articles  • Citing articles on HighWire  • Citing articles on Web of Science (15)  • Contact me when this article is cited  Related Content  • Similar articles in this journal  Social Bookmarking   What's this?

Classification and Measurement of More Than Two Hundred Devices

LOUISE L. SLOAN, Ph.D.; MARIA D. JABLONSKI, F.B.O.A.

AMA Arch Ophthalmol. 1959;62(3):465-484.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Introduction

In the past few years there has been a growing awareness of the possibilities of giving useful reading vision to the partially blind patient.^1-9 One of the obstacles to more widespread use of optical aids for subnormal vision is the great number of Such devices needed to provide for each patient the one which best meets his particular needs. A complete assortment of reading aids not only must cover a wide range of powers but must have several different types in each power. For certain near-vision tasks other than reading, a headborne device, which leaves the hands free, may be essential. Some of those who require or prefer a magnifier in the form of spectacles will need a bifocal type; some can use a unifocal (single vision) type. Other patients will find it difficult to hold the reading page at the proper distance from the spectacles and will . . . [Full Text PDF of this Article]

Author Affiliations
Baltimore

From the Wilmer Ophthalmological Institute of The Johns Hopkins University and Hospital. This investigation was supported by Grant B-810 from the National Institutes of Neurological Diseases and Blindness, Public Health Service.

Footnotes
Submitted for publication Jan. 29, 1959.

CiteULike    Connotea    Del.icio.us    Digg    Reddit    Technorati    Twitter     What's this?