Kontur Precision Sphere 18mm to 24mm | Kontur Precision Sphere III | Kontur Precision Sphere IV

Precision Sphere - 18mm to 24mm

	Base curve	Diameter	Sphere power

Kontur Precision Sphere III	8.30*, 9.00	18.0, 20.0	Plano
	9.80	22.0, 24.0	Plano

Kontur Precision Sphere IV	8.30*, 9.00	18.0, 20.0	+20.00 to -20.00
Kontur Precision Sphere IV	9.80	22.0, 24.0	+20.00 to -20.00

Kontur Precision Sphere VI	8.30*, 9.00	18.0, 20.0	+20.00 to -20.00
1.0, 1.5, 2.0, 2.5 D Prism	9.80	22.0, 24.0	+20.00 to -20.00
	* 8.30 base curve available only in 18.0 mm diameter