WASCA Aberrometer
  • Aberrometer – measures the
    • Commercially available
    eye’s “fingerprint” – the
    sensor resolution
    higher order aberrations
  • Irregularities that are not
    • Lenslet
    Approximate
    Pitch (µm)
    Number of
    correctable by glasses
    Unit
    from
    Spots
  • Hartmann-Shack
    • published
    (6mm pupil)
    Aberrometer
    sources
    WASCA/COAS
    210
    650
    Wavescan
    400
    180
    (VISX)
    Ladarwave
    450
    140
    (ALCON)
    Allegreto
    600
    80
    (WaveLight)
    ZyWave (B&L)
    700
    60
    ©DZ Reinstein 2005
    dzr@londonvisionclinic.com