Night Vision

As “Game of Thrones” fans know — winter is coming! Let’s hope the white walkers don’t have night vision! This is Sandra Tsing Loh with the Loh Down on Science. We humans aren’t the best at night vision. We detect motion with direction-selective ganglion cells, or DSGCs. Some specifically detect

Seeing Eye to Eye

Do animals REALLY see eye to eye? This is Sandra Tsing Loh with the Loh Down on Science. Most humans have the ability to detect color and perceive depth. But have you ever wondered how animals see the world? Eleanor Caves at Duke University studies how animals’ vision influences their

Vision Quest

So many kids today are nearsighted. Is the villain… Candy Crush? This is Sandra Tsing Loh with the Loh Down on Science. Facebook, Youtube, Fruit Ninja – everyone seems to be glued to their screens these days, especially the kids! Is all this screen time hurting children’s eyesight? Po-Wen Ku

Choco-Vision

Is the way to better vision… a golden ticket? This is Sandra Tsing Loh with the Loh Down on Science, and some really sweet news! For years, carrots have been the go to food when it comes to improving vision. They’re rich in beta-carotene, which nourishes the eyes. But scientists

Laser Vision

Want better vision? How about. . . squishing your eyeballs? This is Sandra Tsing Loh with the Loh Down on Science. Eye shape is the key to perfect vision. But most of us have eyes as wonky as a Picasso portrait. Lasik eye surgery fixes vision by reshaping the eye’s