There is a misconception that the darker the lenses are, the more protection they provide. To analyze this statement we first have to define protection. The most important thing lenses can protect the wearer from is ultraviolet light. UV light is measured in waves at the lower end of the light spectrum, 0 - 400nm.
Why Does My Eye Twitch?
8 causes of and fixes for that annoying eyelid twitching.
How Drug-Resistant Bacteria Travel from the Farm to Your Table
Antibiotic-resistant bacteria from livestock pose a deadly risk to people. But the farm lobby won't let scientists track the danger
How High Blood Pressure Can Lead to Vision Loss
The American Heart Association explains how high blood pressure, also called hypertension, can lead to vision loss.
How to Treat a Black Eye
10 Neat Optical Illusions
Melt your brain and amaze your eyes with these optical illusions.
Selective Dorsal Rhizotomy for Cerebral Palsy: What You Need to Know
Reviewed By When less invasive treatments for cerebral palsy (CP), such as braces and oral medications, aren’t providing sufficient relief, your doctor may consider neurosurgery Selective dorsal rhizotomy (SDR) is one option that can lead to improved movement for many children who have spasticity with dystonia (increased muscle stiffness and spasms). Here’s what Johns Hopkins pediatric neurosurgeon Shenandoah “Dody” Robinson, M.D ., wants you to know about this treatment option. Q. What is selective dorsal rhizotomy? A. Selective dorsal rhizotomy (SDR) is a complex procedure. Johns Hopkins neurosurgeons take care to make the procedure as minimally invasive as possible. Our surgeons remove only one layer of bone (vs. multiple) in the back of your child’s spine.…
Why Is There Gunk in My Eye?
Discharge is your eye's way of telling you something's up. From sleep to serious conditions, here's what to look for and what it might mean.
5 Tips for Healthy Aging of the Eyes
September is Healthy Aging Month, making it an ideal time to shed some light on an important issue that impacts millions as we age – our eyesight. With around 1.75 million people in the country having age-related macular degeneration, according to the National Institutes of Health, and another 2.2 million suffering from glaucoma, vision is …
What Is Low Vision?
Low vision is a condition where patients experience blurred sight, partial sight, tunnel vision, or even being legally blind. Unlike many other eye impairments, low vision cannot be corrected through glasses or surgery. Even with corrective lenses and ...