👉 The term "dioptrical" refers to a type of optical lens or device that is designed for use with certain types of lenses, such as those used in photography and videography. These devices are typically made from a thin plastic material called the fovea, which is the part of the eye responsible for focusing light onto the retina. The dioptrical lens has two focal points: one at the fovea and another at the retina itself. The dioptrical lenses