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Model: Keratometer Range Extender
The Gulden keratoconus Keratometer Range Extender attaches easily for temporary or permanent use. Eliminates, bothersome taping and alignment of trial lenses and removal of adhesive residue. Extends range; flatter to 30.87D or steeper to 60.62D. A Must-Have for fitting keratoconus patients. Trial lenses not included with Extender.