Country of Origin︰China
Unit Price︰US $ 3 / pc
Minimum Order︰50 pc
Variable PD flipper for sphere lenses, cylinder lenses or prism lenses.
Used in vision therapy, with over-refraction for contact lens fittings, and for bifocal add demonstrations.
• Expands from 40mm to 75mm
• With 36.2mm diameter Lenses
• Made of Plastic
• Product weight: about 0.38 lbs/pc differs with lenses powers