For simplicity, in the following explanation I will refer only to the most important lens aberration, the spherical aberration. The reason why the microscope has to be operated with a certain ...

correction of corneal spherical aberration and avoiding major generation of off-axis coma. Because the angle κ tends to be slightly larger for hyperopic eyes compared with myopic eyes ...

A panelist discusses how various factors influence IOL selection for cataract surgery patients, including patient lifestyle ...

showing the effect of inbuilt spherical aberration, but thereafter are very good throughout the range, rising to excellent at f/5.6. This sharpness extends to point light sources, which reproduce ...