Calculators
Clinical optics & surgical planning
Most usedIOL PowerSRK/T, Hoffer Q and SRK II with target refraction
Optics
Vertex Distance
Spectacle ↔ contact lens power
Optics
Transposition
Plus ↔ minus cylinder form
Glaucoma
IOP Correction
CCT-adjusted intraocular pressure
Strabismus
Prism Diopter
Δ ↔ cm deviation, degrees, Prentice's rule
Optics
Oblique Cross Cylinder
Combine two sphero-cylinders (power vectors)
Optics
BAC / Thickness
Surface powers, sag, centre & edge thickness
Low vision
Magnification
Spectacle, relative distance & electronic
Binocular
Convergence
Accommodation, meter angles, AC/A ratio
Cataract
A-Constant Optimizer
Personalize A-constant from your outcomes