Young nearsighted kids who wear bifocal contact lenses that slow uncoordinated eye growth do not lose the benefits of the ...

Young nearsighted kids who wear bifocal contact lenses that slow uncoordinated eye growth ... glaucoma and myopic macular degeneration, all of which can lead to loss of vision, even when wearing ...

Capping ten years of work to stem the tide of nearsightedness, David Berntsen, Golden-Golden Professor of Optometry and chair of Clinical Sciences at the University of Houston College of Optometry, is ...

Simulation results show that the proposed bifocal lens can converge the OAM waves into cylinder-like beams, providing an efficient way to increase the spectrum efficiency of wireless communications.