Catalogue Number: 4224 Peripheral and Central Fusion and Stereopsis Slides (2 pair) Category: Equipment Sub-Category: Vision Therapy Equipment Time Period: 1940 to 1999 Description Of Item: Two pair of adjustable transparent vinyl slides with either red or green circles (one large and three small circles) with a cross in the centre. Slide with red images has a scale along the base (0 to 30 prism dioptres), green slide has a notch at the base of the large circle to align with the scale on the red slide.Slide holder missing. 265 x 142 mm. How Acquired: Donated by Margaret Banks Date Acquired: 28/10/2019 Condition: Very good Location: Archive office. Pamphlet and ephemera filing cabinet. Drawer 10 |