Binocular Prism Field & Differential Map

Binocular Prism Field

Complexity level
Left eye Rx (back vertex)
Right eye Rx (back vertex)
Display controls

Coordinates: x (mm) temporal positive to the right, y (mm) positive upward. Prism vectors are in prism dioptres (Δ) with p = −F·r, F the 2×2 power matrix, r the decentration vector (cm).

Click in the plot to sample prism x = –, y = – (mm) Left: ΔH = –, ΔV = – Right: ΔH = –, ΔV = – R − L: ΔH = –, ΔV = –, |Δ| = –