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channelled corneal contact lens / Butterfield Micro-V lens
CONTACT LENSES AND ACCESSORIES
contact lens
Butterfield, George
North America: USA
1950-1957
plastic
2013.870
CONTACT LENSES AND ACCESSORIES
contact lens
Butterfield, George
North America: USA
1950-1957
plastic
Two corneal contact lenses channelled to promote tear exchange including one example of a Butterfield Micro-V lens with channels extended to the periphery of the lens at three points.
2013.870
The Norman Bier Collection, transfer from City University, 2013