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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

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



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