Abstract: Experiments and approximate analysis are given for spherical aberration interference rings and for convection distortion arising in the thermal self-defocusing effects produced by laser ...

Aspherical or prolate IOLs with a single negative value of spherical aberration have been used ... changes with time following surgery. For example, in a patient who underwent myopic PRK, the ...

See how telescopes capture the cosmos. ExtremeTech explains the science behind lenses and space exploration. Start exploring ...

Adding Custom Commands Write your own custom commands using JavaScript with correct types for IntelliSense to work ...

However, Galileo's telescopes suffered from high chromatic aberration, which is what happens ... the visible spectrum or in the infrared. For example, here are two shots from the Hubble Space ...