Ocular Instruments Barraquer 15-21mm HG ( Phaco & SLIP) Tonometer OBT-TC-15-21
Featuring the Terry dual calibration scale. Useful for many surgical applications. Two pressure ranges, 10-15mm Hg or 15-21mm Hg. The 15-21 is an excellent tool for vitreoretinal surgery during gas-fluid exchange.
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