pupillometer: 44 x 270 x 105 mm
Binocular-type pupillometer consisting of two white metal cylindrical tubes with parallel axes, in each of which is placed a positive lens. Eyepieces surrounded by plastic rings of variable thickness, placed next to light well in tubes with millimetre scales and receptacles for compensating lenses. Hinged black plastic occluder at practitioner's end. Contained in grey leatherette-covered hinged wooden case with four mounted lenses.
Gift of Norville Optical Group, 2006