Refractive surgery has been shown to induce changes in corneal asphericity. LASIK especially increases coma and spherical-like aberrations in larger myopic treatments. This may partially explain why ...

Please provide your email address to receive an email when new articles are posted on . Contact lens models currently on the market or in development use a variety of approaches to reduce higher-order ...

A point hologram is formed on a photographic plate when a spherical wavefront interferes with a plane or another spherical wavefront. Such holograms behave like lenses or mirrors, but are easier and ...