Resultados de búsqueda: Optometry/Ophthalmology from Walnut Valley Books/Books by White

Froland, Norway : Synforum ans., 1997 Synforum ans., Froland, Norway. 1997. Hardcover. First Edition. LUV Reading Series. Book is tight, square, and unmarked. Book Condition: Near Fine; light bumping to head, tail, and rear top and bottom tips. No DJ. White pictorial boards and spine black lettering on the spine and front board. Clean internals. 200 pp 8vo. This book is a guide to CCTV as a technical aid and will recommend methods for evaluating and instructing the low vision user. The book is for professionals who work with persons with low vision. The book is divided into 9 sections covering the development of CCTV and its properties, techniques for teaching the use of the CCTV, CCTV technology, CCTV use in the classroom and office, and ends with research and experience. A clean very presentable copy.

Chicago, IL: OPTEC, 1975 OPTEC, Chicago. 1975(?) N.D. Softcover/Trade Wraps. Edition/Printing not stated. Contains instructions for operating the Copeland-OPTEC 360 streak retinoscope. Book is tight, square, and unmarked but for a F/O name on the bottom of the front page. Book Condition: Very Good; small splash stain on front wrap; slight shelfwear to edges. No DJ. Pictorial card stock wraps. Wraps are not bent or folded; spine is secure in saddle staples; text is secure in binding. 32 pp 8vo. This booklet is designed for the advanced and beginning retinoscopist. It explains the mechanics and optics of the Copeland Streak Retinoscope, how to use the scope, how to interpret the readings, and how to more carefully scan the eye for refractive and/or physiological errors the can effect the refraction. A clean very presentable copy.