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Yellow contrast filter
OPTOMETRIC INSTRUMENTS
filter
Bausch & Lomb
Europe: United Kingdom
2000s
card; plastic film
overall: 110 mm x 70 mm
2023.380
OPTOMETRIC INSTRUMENTS
filter
Bausch & Lomb
Europe: United Kingdom
2000s
card; plastic film
overall: 110 mm x 70 mm
Yellow biomicroscope contrast filter for use in contact lens practice. Mounted within a round aperture with dark blue card surround bearing a promotion for the 'new' Maxim Ultra high performance RGP lens. Printed slightly differently on both sides.
2023.380
Gift of Mr Andrew Gasson FCOptom, 2023