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TRIAL CASES, FRAMES AND REFRACTOR HEADS
low vision trial frame
overall (case): 12 mm x 115 mm x 20 mm
Trial frame for clinical evaluation of miniature telescopic units. White metal frame comprising two small round rims, each separately adjustable for pupillary width from a central bridge bar with attached plastic pads. Rear-extending lugs leading to wire curl sides with plastic tubular covers on ends.
The Norman Bier Collection, transfer from City University, 2013