Please provide your email address to receive an email when new articles are posted on . After sphere and cylinder, the most important determinant of visual acuity is spherical aberration. Higher-order ...

One of the oldest problems in optics has been solved. Rafael Gonzalez from Mexico's Tecnologico de Monterrey has come up with an almost comically dense equation that can be used to almost completely ...

Higher order aberrations (HOAs) of the eye are unable to be corrected by cylinder or spherical corrections and include spherical aberrations, coma and trefoil. Coma aberrations are caused when light ...

This year, the electron microscopy community marks the 25 th anniversary of the release of the first aberration-corrected transmission electron microscope. To celebrate the occasion, this article ...