A novel near-field focus (NFF) lens antenna with two-dimensional (2-D) focus-scanning capability operating at THz frequencies is proposed in this paper. The NFF antenna consists of a pair of thin and ...

In patients who previously underwent refractive surgery or corneal inlay implantation, the small-aperture IC-8 Apthera IOL ...

Zenlens custom scleral contact lenses improved visual acuity and yielded more than 11 hours of comfortable wearing time, ...