A professional instrument for variable orthoptic training. Matched left/right card sets are placed in appropriate guides and separated or integrated with the precision thumbscrew adjustment creating either a Base-In or Base-Out demand. High impact ABS plastic in neutral gray color for minimal background awareness.
Includes: +5.00D sphero-prism lenses, movable occluder and wells for 38mm trail lenses.
Comes with Bernell-O-Scope™ reticulating base, clip-on trainer and card set.
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