Multi purpose Pupillary Distance (PD) Ruler
 Catalogue Number: 4233 Multi purpose Pupillary Distance (PD) Ruler Category: Equipment Sub-Category: PD ruler, pupillometer Corporation: Allergan Time Period: 1940 to 1999 Publisher/Manufacturer: Allergan Description Of Item: White plastic paddle shaped combination PD rule, 171 mm x 38 mm. Also serves as an occluder, pinhole, pupil guage, Also has various children's fixation targets for measuring convergence, excursions and possibly near retinoscopy. Centimetre scale in millimetre graduations on one surface edge and inches on reverse. 'Optistick' with registered symbol, 'Allergan' and' EQ 9538' on paddle end. Various Allergan dry eye products with promotional material listed on both surfaces of rule. How Acquired: Donated by Colin Bates Date Acquired: 17/07/2019 Condition: Excellent Location: Documents Room Blue Daytona Cabinet Drawer 5 |