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Psuedo-Ishihara Plates

Psuedo-Ishihara Plates

More readily avalable product than Ishihara plates, functionally equivalent.



Berens Accomodation Rule

Berens Accomodation Rule

The Berens Accommodation Rule for near point testing incorporates 10mm black test figures on white plastic ruler. This instrument features a 50cm long ruler with engraved scales in centimeters and inches, Duane Age and Dioptric scales. The Berens Accomodation Rule is supplied with test cards. These test cards clip to a fixure, allowing them to slide back and forth along the scale.



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