AccuLens
ModifierPrecision sag-based lens modification
Manual & SOP
v4.3.2 · SOP 1.0

Load Existing Lens

Enter the current lens in the same order used in FocalPoints.

Entry mode
Trial lens library ready
Enter 0°. Curves and adjustments mirror to every meridian.
Z2Secondary
Z3Intermediate
Z4Haptic
Width—Calculated
FocalPoints page 2 Enter these after all zone curves have been copied.
Z4 width auto-calculated
Lens orientation

Quad Angular Offset

0°

Lens meridians rotate counterclockwise on the eye.

0°90° 180°270°
INPUT → EYE
0°→ 0°
90°→ 90°
180°→ 180°
270°→ 270°
Optical adjustment

Over-Refraction & Rotation

The existing lens power is loaded automatically.

Current Rx—
Over-refraction
Observed lens rotation
Observed lens rotationNo observed rotation
Revised optical RxEnter an over-refraction

Offset correction0°

FP-safe offset—

Quadrant remapNone

VertexingNot required

Applying updates sphere/cylinder/axis and angle offset. If FP requires a 90° basis change, Z2–Z4 and existing sag adjustments rotate automatically.
Modification workspace

Maxim3D Lens

SYMMETRIC
BC Adjust μm
BC—0 μm
Lens Power—Exact optical result
OAD—
OZ—
Offset—
Predicted FP Sag——
Meridian
Z2Secondary
Z3Intermediate
Z4Haptic
Total SagPredicted FP
0°→ 0° on eye
90°→ 90° on eye
180°→ 180° on eye
270°→ 270° on eye
Width
—
—
— Calculated
Flat / Steep—
+ increases sag − decreases sag. Radius shown is the rounded FP entry.
Live geometry ready