Dioptric Harmonic Operator
GitHub: StarInteractive SPH/CYL/AXIS astigmatism simulator and meridian power visualizer.
Astigmatism is modeled as a second-order angular harmonic with 180° symmetry.
Set SPH, CYL, and AXIS to see how power changes with orientation.
Inputs
Readouts
Coefficients
M
a
b
Reconstructed
SPH
CYL
AXIS
Power Range
Min
Max
Span
Interactive Views
Axis Meridian
Axis: 0.0°
Eye Shape Simulation
Stylized toric front view (illustrative only).