Bernell-Brewster Stereoscope Story Book Orthoptic Targets:OS-A series, BI-A series (2 sets), BO-A series (2 sets)
 Catalogue Number: 4239 Bernell-Brewster Stereoscope Story Book Orthoptic Targets:OS-A series, BI-A series (2 sets), BO-A series (2 sets) Category: Equipment Sub-Category: Vision Therapy Equipment Corporation: Bernell Corp. Place Of Publication/Manufacture: South Bend, Indiana Publisher/Manufacturer: Bernell Description Of Item: Five booklets of stereo flip target books: OS-A series (1) , BI-A series (2) BO-A series (2) . Each book 185 mm x 90 mm with 4 plastic rings binders,.OS-A (Ortho-Stereogram) book has 8 black and white line drawing stereo targets (illustrations of the Mother Goose stories) with black borders, cover page of instructions, cardboard back page. Designed to develop binocular skills in subjects transitioning from strabismus into binocularity.BI-A (base in prism) and BO-A (base out prism) s 8 stereo targets (various illustrations of the Mother Goose stories) with grey borders on each pages and a cover page of instructions, cardboard back page Books are designed to develop vergence skills through jump duction training. The flip cards are used with the Bernell-O-Scope stereoscope ( Cat # 4238).See also Cat. 4214 Historical Significance: Bernard Vodnoy and his wife established the Bernell Corporation to produce a series 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 Colin Bates Date Acquired: 17/07/2017 Condition: Excellent. Unused. Location: Documents Room West Unit Bay 2 Shelf 1 |