Created for Acculens by Steve Cogger
HVID
HVID
Trial Lens
BC
Power
Over Refraction
Sphere
Cylinder
Axis
Enter HVID, trial lens data, and over refraction before submitting.
Lens zones and power based on HVID of , with a trial lens of () and Minus Cyl Vertexed OR of x .
Suggested back OZ.
optional OZ overide:
Custom OZ
Suggested Lens Diameter.
optional Diameter overide:
Custom OAD
min rec:
To adjust OZ or OAD, check the appropriate box and enter preferred value. To use suggested values, leave custom fields blank. Click Accept to continue
Enter Min and Max Sag values for each specified chord length below before selecting Fetch.
OZ @
Min
Max
Z2 @
Min
Max
Z3 @
Min
Max
Min Axis @ +/- .5mm
z4 Flat axis
& 2nd Radii
Lens
Rotation
Best-Fit
Outer radius
Optional, enter sag adjustments for each zone to create FreeForm curves or generate new curves at a specific zone. Positive(+) values will increase the sag. Negative(-) values will decrease the sag, for that zone.
@ OZ
OZ
@ Z2
Min
Max
@ Z3
Min
Max
Adjust Z4 by + or - Steps. ex:
(positive) +1 = 1 STEEP.
(negative) -1 = 1 FLAT
Z4
Steps
(+/-)
Min
Max
OZ and Power:
∠ 0° & 180°
∠ 90° & 270°
Widths
z2 for
z3 for
z4 for