Precision7
Alcon
ManufacturerAlcon
Brand familyPrecision7
CategoryWeekly
Material (USAN)serafilcon A
Material classSilicone hydrogel
FDA groupSiHy
Dk (material)119 ×10⁻¹¹
Dk/t (@ -3.00 D)149 ×10⁻⁹
Water content55%
Base curve(s)8.4 mm
Diameter(s)14.2 mm
Sphere power+8.00 to -12.00 D (0.25 D to +6.00 / -8.00, then 0.50 D)
Replacement1 week (7-day replacement)
Wear scheduledaily wear
UV blockingClass 1
Pack sizes28
Verified✓ Precision7 FDA package insert (P220007) · 9/2026
Verify parameters against current manufacturer documentation before fitting.