Types of aberrometry The Alcon, Bausch & Lomb and Visx devices were all based on Shack-Hartmann aberrometry. In addition, two other commercial wavefront technologies use Shack-Hartmann aberrometry, ...

Whether it's adjusting a telescope or focusing a laser beam to a small spot, wavefront sensing can help. Xavier Levecq explains the technique and the options available. Measuring the wavefront ...