Diffractive-Refractive Intraocular Lenses with Binary Structures

Аннотация

The paper presents a brief analytical review of papers dealing with the use of simple binaryphase diffractive structures in multifocal artificial eye lenses (intraocular lenses) to increase the focal region. The results of theoretical studies of the influence of spherical aberrations of the eye, the optical power of the diaphragm (pupil diameter), and the duty cycle of the structure on the depth of focus (limits of clear vision) are given. The intensity distribution in diffraction orders (foci) in the simplest binary diffractive-refractive intraocular lenses is analyzed.