The Essel Pupillometer
 Catalogue Number: 1702 The Essel Pupillometer Category: Equipment Sub-Category: PD ruler, pupillometer Year Of Publication/Manufacture: 1969 Time Period: 1940 to 1999 Place Of Publication/Manufacture: Paris Publisher/Manufacturer: Essel Description Of Item: Pupillometer for measuring pupil size and interpupillary distance, being two parallel cream coloured metal tubes with positive lenses in user's eyepieces. Plastic rims at the patient's end have space to allow insertion of supplementary lenses. Millimetre scale allows monocular pupillary distances to be read. Black metal occluder at user's end sprung to occlude each eye alternately. Engraved ESSEL on bridging bar between patient eyepieces Historical Significance: See also Cat 1550 for another example, which is boxed and has supplementary lenses. These are missing for this example. See Cat No 1870 for the instruction manual for a later pupillometer marketed by Essilor. How Acquired: Donated by Robert Kaye Sydney Optometrist Date Acquired: December 2010 Condition: Very good Location: Archive room. West wall. Unit 4 Drawer 3 |