Biomedics Torics lenses offer exceptional comfort, convenience and clear, crisp vision for those with astigmatism. The most comfortable lens in its class.
Features:
Dry cast moulded
Back surface toric while the anterior surface is spherical
Iso-thickness and wide constant ballast area enhancing stability and visual acuity
Anterior edge roundness & Constant ramp angle minimising lid-lens interaction giving excellent comfort
One lens orientation mark at 6 o’clock
Material Ocufilcon D
Center thickness 0.11
Water content 55%
Diameter (mm) 14.50
Radius 8.70
Spherical power range (D) +6.00 to -9.00
Cylindrical power range (D) -0.75, -1.25, -1.75, -2.25
Axis (10 steps) 00 to 1800
Packaging 3 or 6 lenses per pack
Those cylindrical powers allow the correction of refractive cylinders from -0.75 (D) to -3.00 (D)
Fitting assessment to consider :
Lens should move 0.5 to 1.0 mm on blinking and lag 0.5 to 1.5 mm on upward gaze
Clockwise rotation & anti clockwise rotation (LARS theory)