German Oculus Placido Disk or Keratoscope Opthalmologist Tool antique handicraft which may be original to

which may be original to the making

The only flaw on this otherwise excellent condition basket

forms a hard

which research led me to discover was produced by the Grenfell Mission

German Oculus Placido Disk or Keratoscope Opthalmologist Tool antique handicraft which may be original toI bought this old Placido Disk, or Keratoscope, not knowing exactly what it was, because it reminded me of Duchamp's "Rotoreliefs," and also because I thought it could serve as a great prop for all sorts of things, including perhaps a low budget Sci Fi film! I've since learned that this device, invented in the late 19th century, is an ophthalmic instrument used to assess the shape of the anterior surface of the cornea: a series of concentric rings is