Bernell-Brewster Stereoscope Story Book Orthoptic Targets (OS-A series and BO-A series)
 Catalogue Number: 4214 Bernell-Brewster Stereoscope Story Book Orthoptic Targets (OS-A series and BO-A series) Category: Equipment Sub-Category: Vision Therapy Equipment Corporation: Bernell Corporation Time Period: 1940 to 1999 Place Of Publication/Manufacture: South Bend, Indiana Publisher/Manufacturer: Bernell Description Of Item: Two books of stereo flip target books ( OS-A series and BO-A series) with 4 plastic rings binders, to be used with the Bernell Stereoscope.OS-A (Ortho-Stereogram) book is designed to develop binocular skills in subjects who are transitioning from strabismus into binocularity. Contains 8 black and white stereo picture targets (illustrations of the Mother Goose Stories) with black borders plus cover page of instructions and cardboard back page.BO-A (base out prism) book is designed to develop vergence skills through jump duction training. Book contains 8 stereo picture targets (illustrations of the Mother Goose Stories) with grey borders on each page plus a cover page of instructions and cardboard back page. Each book 185 x 90 mmSee also Cat. # 4239. Historical Significance: Bernard Vodnoy established the Bernell Corporation to produce a number of low cost binocular vision testing and vision training equipment that could be used in-office or for home based vision therapy. How Acquired: Donated by Margaret Banks Date Acquired: 28/10/2019 Condition: Fair. Water damage to back cardboard and front cover of BO-A series book. Location: Archive office. Pamphlet and ephemera filing cabinet. Drawer 10 |