eyes – The Loh Down On Science

Eye-deal Solution

May 13, 2022 Karissa Munoz

You can’t hide your aging eyes… This is Sandra Tsing Loh with the Loh Down on Science. Is it me, or are these crossword puzzles getting SMALLER?? Age-related vision problems can be caused by a gradual loss in photoreceptors. Those are special cells inside the eye that catch light to

Cellular Time Travel

March 23, 2021 Nora Bradford

Elder person upper face looking at the camera

Could Benjamin Button’s secret be… cellular? This is Sandra Tsing Loh with the Loh Down on Science. Can you read the fine print in this internet service contract? Neither did I! As we age, our genes age too, causing a myriad of annoying changes — including loss of vision. What

Diabetic Lenses

August 28, 2020 Claudia-Francisca Lopez Camara

An eyeball with a contact lens with electrodes

Is that sugar in your…. EYE!? This is Sandra Tsing Loh with the Loh Down on Science. More than thirty million people in the US have diabetes – which can lead to vision trouble, among other things. Keeping track of blood sugar levels means pricking your finger several times every

Seeing Eye to Eye

February 28, 2020 Jessica Monterrosa Mena

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

Liquid Spectacle

January 21, 2020 Jaclyn Beck

Nothing like diving into a good book! But why do they make the print so SMALL??? This is Sandra Tsing Loh with the Loh Down on Science. Presbyopia, or far-sightedness, is a common problem for (ahem) eyes of a certain age. Bring on the bifocals —

Puppy Dog Eyes

October 14, 2019 Maria Montchal

Ever seen an ugly puppy? This is Sandra Tsing Loh with the Loh Down on Science, saying – no such thing! They’re ALL cute! And they somehow look the most adorable when they’ve done something bad. It’s all in those pleading puppy dog eyes. Sometimes instead of a scolding, Fido

Night Vision

April 12, 2019 Samantha Leigh

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

It’s Lit

January 22, 2019 Dhruba Banerjee

Could the light at the end of the tunnel… cure blindness? This is Sandra Tsing Loh with the Loh Down on Science. Your eyes and brain communicate in perfect harmony to let you see. But for kids with amblyopia, or “lazy eye syndrome,” this tango gets messed up. The brain

Laser Vision

October 3, 2018 Will Thrift

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