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Polycon II Initial Fitting Guide
CONTACT LENSES AND ACCESSORIES
rule; slide rule
Sola-Syntex Ophthalmics
North America: USA, Arizona, Phoenix
Post 1985
cardboard; metal
overall: 159 mm x 79 mm
2017.741
CONTACT LENSES AND ACCESSORIES
rule; slide rule
Sola-Syntex Ophthalmics
North America: USA, Arizona, Phoenix
Post 1985
cardboard; metal
overall: 159 mm x 79 mm
Contact lens measuring slide rule and fitting guide. White double-sided laminated cardboard slide marked on one side with fitting values for corneal cylinder power measurements of 0.00-0.75 D and 0.75D-1.50D, on the other side for powers of 1.50-2.25D and 2.25-3.00D and 3.75D, each when read against the appropriate Flat K value. Outer surface overprinted with a promotion for Sola-Syntex Polycon II (silafilcon A) brand gas permeable contact lenses.
2017.741
Gift of Mr David Shannon MCOptom, 2017