Product features
Lens type Toric lenses |
Product type Toric hard lens |
KA (1-4) VPT ( anterior prismatic toric )
The KA1, KA2, KA3, KA4 have a one- to four-curved back surface and are used for contour adaptation for special corneal shapes.
The KA-VPT has a multi-curved back surface in KA design and a toric front surface. An additional prism prevents the contact lens from rotating on the eye.
Please only order this type of lens if you are already wearing it successfully.
It is custom-made for you. Exchanges, cancelations or returns are excluded, even if the contact lens is in perfect condition.
Not sure if these are your hard lenses ???
Just send us a photo. We will help you. More....
The KA-VPT has a multi-curved back surface in KA design and a toric front surface. An additional prism prevents the contact lens from rotating on the eye.
Please only order this type of lens if you are already wearing it successfully.
It is custom-made for you. Exchanges, cancelations or returns are excluded, even if the contact lens is in perfect condition.
Not sure if these are your hard lenses ???
Just send us a photo. We will help you. More....
Delivery range of KA-VPT:
KA values:
1 to 4 ( indicates the number of back surface curves )
BC value:
7.00 to 9.00 in 0.05 steps
Power:
25.00 to -25.00 in 0.25 steps
Cylinder:
-0.50 to -5.00 in 0.05 steps
Axis:
0° to 180° in 1° steps
DIA:
7.0 to 12.2 in 0.1 steps
Prism:
0.50 to 3.00 in 0.1 steps
Materials:
various (see selection box illustrations)
Engraving:
For better differentiation between the right and left lens, a lens can be engraved with either a light or dark dot.
KA values:
1 to 4 ( indicates the number of back surface curves )
BC value:
7.00 to 9.00 in 0.05 steps
Power:
25.00 to -25.00 in 0.25 steps
Cylinder:
-0.50 to -5.00 in 0.05 steps
Axis:
0° to 180° in 1° steps
DIA:
7.0 to 12.2 in 0.1 steps
Prism:
0.50 to 3.00 in 0.1 steps
Materials:
various (see selection box illustrations)
Engraving:
For better differentiation between the right and left lens, a lens can be engraved with either a light or dark dot.