In a new series of bedtime board books for children ages 2-5 ... a yellowish circle looks out at the reader with two guileless eyes. These classic Klassen eyes, lashless and lidless yet comically ...

New soft contact lenses use upconversion nanoparticles to convert infrared light into visible light. Unlike night-vision ...

Researchers have developed experimental contact lenses that use nanoparticles to convert the invisible wavelengths of ...

She added: "She's actually the best sleeper out of all my kids, she sleeps great. If I try to close her eyes for her when she's sleeping they'll open by themselves after a few seconds." ...

Neuroscientists and materials scientists have created contact lenses that enable infrared vision in both humans and mice by converting infrared light into visible light. Unlike infrared night vision ...