Blog list

Melanin absorbs light, even some UV light, which is important for the iris — the part of the eye that controls how much light enters the pupil...

Since as early as 60 A.D., people have been using vision-correcting tools to help them see. ​​​​​​​Around that time, the Roman philosopher Seneca used a glass globe of water to magnify text, while Emperor Nero needed a magnifying emerald to see gladiator fights...

That isn’t great, but where do our eyes fit into the equation? When we get enough sleep, it’s great for both our overall health and our eye health, and we can also improve our quality of sleep by changing what we put in front of our eyes before we go to bed...

Early diagnosis is critical for stopping many sight-threatening conditions in their tracks, which is why we should be on the watch for signs of age-related vision loss. There are also more benign ways our eyesight can change over the years...

There is such incredible variation in how eyes work across the animal kingdom that we could spend years studying and barely scratch the surface, so to start out, we just want to take a brief look at some of the most impressive features of animal eyes...

That chart, the formal name of which is the Snellen chart (after the 19th-century Dutch eye doctor Herman Snellen who developed it), is certainly a good diagnostic tool for catching nearsightedness...

All it means when someone has 20/20 vision is that they have normal visual acuity without refractive errors like nearsightedness, farsightedness, or astigmatism. There is a wide range of vision problems that have nothing to do with refraction...

The temptation can sometimes be to leave the glasses at home instead of wearing them, even though that means going through a day of fuzzy vistas and squinting...

Over 20 million adults 40 and up in the US will develop cataracts, and by the time they reach 80, half of them will. Normally, the lenses in our eyes are filled with transparent protein, but the protein can become clumped together over time and turn opaque...

The danger with fireworks is that a lot of people forget that they are explosives, and that’s how they caused 12 deaths and ten thousand injuries in 2019 alone (mostly between mid-June and mid-July), according to the Consumer Product Safety Commission’s report...