Wood Optometer (0684)
Index: 0684
Year: End 19th century ?
Maker: ?
Dimensions: 27 x 4 x 12 cm
Info
Optometer (French ?) made of wood (boxwood?) and brass. The patient had to look through the eyepiece and the slider was moved till the letters on the slider were in focus. The lens correction could then be read from the indications on the stem.
