Special Purpose Slides - Blue Binding

S  1/2 - Animation slide – Pony & trap - To be used with Automatic Flashing Unit set at ALT (alternating) with light and dark controls at the same number.  (price per pair)

S  3/4 - After-image slide – 1 horizontal streak and 1 vertical streak, each with central red fixation mark.  These slides have one matt surface which must be nearest to the patient.  (price per pair).

S  5 - Single slide on transparent film of Black Spot. For use with Haidinger's Brushes. (price per slide).

S  6 - Alternative after-image slide. Cross. (price per slide).