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Vision Resources

This section contains interesting articles, checklists, charts and videos about vision and eye health. You can find hundreds of eye- and vision-related definitions in our glossary, explore our human eye anatomy chart, download brochures on the most popular eye health topics, and more.

Want to know more about us? Scroll down for information about AllAboutVision.com's background and mission, and a list of our staff and editorial board members.

Children's Book Benefits Glaucoma Research

Profits from "A Christmas Tale" go to the Glaucoma Research Foundation to find a glaucoma cure.

World Sight Day

Learn how you can help provide the gift of sight to those in need on this day of charitable giving.

Solar Eclipse: Protect Your Eyes

How to protect your eyes from a solar eclipse.

Dominant Eye Test

How to find your dominant eye and how ocular dominance influences photography, shooting and sports.


What you should know about this thin lining that covers the white of your eye and the inside of your eyelids.


What this crucial part of the eye does to help you see. Also: conditions that can affect the health and function of the cornea.


What you should know about the pupil of the eye — including conditions that affect pupil size.


The retina is where vision begins. Here are key facts about the light-sensitive structure in the back of the eye.

Sclera (White Of The Eye)

All about the outer white part of the eye, including conditions that affect the appearance and function of the sclera.

Uvea: Iris, Ciliary Body and Choroid

Key facts about the pigmented middle layer (uvea) of the eye, which includes the iris, choroid and ciliary body.

How To Clean Your Glasses

Most people don't do it correctly. Learn the best way to clean your glasses and whether it's possible to remove scratches from the lenses.

How to Put in Eye Drops

The best way to apply eye drops so they don't get all over your face.

2019 Checklist for Better Vision and Eye Health

Make your eyes a priority this year, with these 17 great tips.

Choosing an Eye Doctor

What's the difference between an optometrist and an ophthalmologist? And which eye doctor should you choose?

Downloads: Brochures, Booklets, More

Here you can download informational brochures and guides on pink eye, eye safety, allergies, eye nutrition and more. Some are great handouts for teachers and eye care practices.

Eye Color

Learn about genetics and why it's not as easy to predict eye color as people once thought. See also: Human Eye Color Chart, Two Different Colored Eyes (Heterochromia), What Causes Hazel Eyes, Are Green Eyes The Most Attractive?, Is Everyone With Blue Eyes Related? and Brown Eyes: What To Know About This Amazing Eye Color.

Frequently Asked Questions

Wondering about a common vision problem, such as floaters? Or do you need to know something about this website? You'll probably find the answer here.

Red Eyes in Photos

Why eyes turn red in photos. Plus: how to prevent, how to fix, and why animal eyes glow in various colors at night.

Smoking: How It Harms Your Vision

Cataracts, macular degeneration, uveitis and other sight-threatening eye conditions are all more likely to occur if you smoke.

Videos, Slideshows And Infographics

Videos and Animations

Lots of fun-to-watch videos and animations about eye health, eyewear, contact lenses, eye nutrition and more.

Slideshow: 7 Bad Habits That Are Aging Your Eyes

How certain bad habits can age eyes prematurely — both inside and out!

Slideshow: Surprising Animal Vision Facts

Learn how animals see differently than we do. Plus: fun self-quiz!

Slideshow: Our Eye-Deas for Gift-Giving

These eye-themed gift suggestions may help when you need a gift for that special person.

Infographic: 7 Things You're Doing at Your Desk That Will Give You Eye Strain

Break these bad habits that could be giving you computer eye strain at work.

Infographic: 10 Health Problems Your Eyes Could Be Showing Signs Of

Your eyes can give clues to your overall health, as well as problems like high blood pressure.

Infographic: 8 Tips for Healthier Eyes

Look, see, and feel better with these eye-healthy strategies.

Infographic: Dry Eye Syndrome - Sponsored

Learn eight symptoms, causes and steps to managing dry eye.

Infographic: Smoking and Vision

Read and share this useful infographic on some of the eye problems and diseases associated with cigarette smoke.

Infographic: What You Should Know If Your Child Is Nearsighted

Share this infographic on why some kids develop myopia, why it's a big problem and how you can help stop it.

Eye News Blue eye with cocktail superimposed over it.

Could Your Eye Color Predict Your Drinking Habits?

Research from the University of Vermont suggests that people with lighter colored eyes may be at a higher risk for alcoholism. The study examined a group of 1,263 European-American patients, including 992 people with alcohol dependency problems and 271 without alcohol problems.

Among the sample, those with light-colored eyes (blue, green, gray and light brown) had a 54 percent higher rate of alcohol dependence than that of people with dark-brown eyes. Those with blue eyes had the highest rate of alcohol dependency, about 80 percent higher than those with other eye colors.

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Eye News

Does How Well You Hear Influence How Well You See?

According to a 2015 study by life scientists at UCLA, our ability to accurately perceive where an object is located is surprisingly poor, yet is somewhat improved when auditory cues accompany visual ones.

Eye versus ear

Ladan Shams, PhD, an associate professor of psychology in the UCLA College, studied "spatial localization," or how well a person can immediately and accurately perceive where an object is. What she and her team discovered came as a bit of a shock.

The scientists played brief bursts of sound and triggered flashes of light, in various combinations, and asked 384 study participants to identify where they originated. In general, people fared poorly when the light and sound were played alone. And the ability to locate visual stimuli in the periphery was much worse than it was in the center of their visual field.

"We didn't expect these spatial errors; they're very counterintuitive," Shams said. "Spatial localization is one of the most basic tasks the brain performs."

It's interesting to note, however, that participants performed with improved accuracy when the flashes and noise were played simultaneously at the same location, indicating that how well you hear could affect how well you see, and vice-versa.

"The brain is wired to use information from multiple senses to correct other senses," Shams said. "The saying is true: 'If you want to hear better, put your glasses on.'" — A.H.

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Page updated October 2018