How Does Your Eye Work?

Learn about the anatomy of your eyes and how each part of the eye works in order to create visual output.

What Is the Visual Field?

The area that you can see at one time without moving your eyes is called your field of vision or visual field.

What Is Acuity of Vision?

Acuity of vision is a term used to describe the clearness or sharpness of your vision when measured at a distance of 20 feet.

What to Know About Depth Perception

Your eyesight depth perception is how images appear three-dimensional (3-D).

What to Know About Eye Dominance

Ocular dominance is when you use one eye more than the other, have better vision in one eye, or can fixate on something better with one eye.

Myths About Your Eyes and Vision

Fact or fiction? Get the truth about what's actually good or harmful for your eyes and vision.

Do Your Eyes Grow as You Age?

In middle age, your eyes go through changes. Most are related to how well you see. Vision problems are often the first signs of aging.

Eye Health and Your Eye Doctor

To keep your eyes in good shape, it’s important to see an eye doctor at least once every couple of years as an adult.

Optometrists and Ophthalmologists

There are two main types of eye doctors: ophthalmologists and optometrists. Here's a look at how they're different.

What is a Neuro-Ophthalmologist?

Neuro ophthalmologists specialize in vision problems that relate to your nervous system due to brain injuries or diseases.

Vision Screening & Eye ExamsHow Often Should I Get My Eyes Checked?

How often you go for eye exams depends on a number of factors such as your age, family history, and other risks.

What's the Difference Between Vision Screening and an Eye Exam?

Vision screening is a simple test that detects problems early. An eye exam is a detailed check of your eyes and eye health.

Can I Test My Vision Online?

Test your eyesight without a trip to the eye doctor? Online vision tests aim to make it possible.

Eye Doctor Appointment: What to Expect

Don’t skip your annual eye exam because you think you can see just fine. Eye exams aren’t only for people with poor vision.

PERRLA Eye Assessment: What It Is and How It Works

You’ve probably had a PERRLA eye exam during a checkup with your doctor or before an eye exam.

What Is Ophthalmoscopy?

Ophthalmoscopy is an exam your doctor, optometrist, or ophthalmologist uses to look into the back of your eye.

What Is Retinal Imaging?

Retinal imaging takes a digital picture of the back of your eye. It shows the retina, the optic disc, and blood vessels.

Why Do I Need to Get My Eyes Dilated?

Dilation is part of a thorough eye exam. You may think it’s a hassle. But it gives your doctor a good look inside your eye.

Can You Drive With Dilated Eyes?

is it safe to drive yourself home after your eyes are dilated? The answer depends on a few things.

Eye Care & TreatmentsHow to Keep Your Eyes Healthy

Don't take your eyes for granted. Take these easy steps to keep your peepers healthy.

Eye Exercises

Doctors may also recommend eye exercises for conditions involving how your eyes work together.

Could a Warm Compress Help My Eyes?

When you have a dry, itchy or painful eye problem, you want to feel better. One way to do this is with a warm compress.

What to Know About Eyewash Solutions

Eyewash solutions are a safe way to ease irritated eyes when you’re at home or on the go.

Can Rose Water Treat Eye Conditions?

A clinical trial showed that a commercial eye drop made with Damask rose could be helpful for several eye conditions.

How Can Eye Drops Help?

Eye drops can help correct a lazy eye, delay glaucoma’s onset, or moisten dry eyes. Eye drops can do more than ever before.

How to Insert Eye Drops

Do you know how to use eye drops properly? Here are 10 tips to help you insert drops in your eyes the correct way.

Health Benefits of Castor Oil Eye Drops

Castor oil has many healing properties and is used as a holistic eye treatment.

What Is an Eye Ointment?

Ointments are used to treat many eye problems. They can start to work much faster than an oral medicine.

Vitamins & SupplementsSupplements for Vision and Healthy Eyes

What can you do to protect your eye health and eyesight using vision supplements? Here is information to help you decide.

Lutein and Zeaxanthin for Vision

Lutein and zeaxanthin can help protect your eyes from harmful high-energy light waves like ultraviolet rays in sunlight.

Vitamin E and Vision

Researchers think vitamin E plays a role in protecting certain parts of the eye, which is susceptible to oxidative damage.

Is Zinc Good for Vision?

Zinc is essential for eye health. This mineral helps vitamin A create a pigment called melanin, which protects your eye.

Eye Injury & First AidTop Causes of Eye Injuries

The delicate tissues inside and around your eye need protection. Find out what causes most eye injuries, and how to prevent them.

Eye Injury Treatment

Here are some quick first aid treatments for the most common eye injuries.

What Should I Do if Something Gets in My Eye?

If your eye's own tears won't wash an object out of your eye, there are a few other things you can try.

Chemical Eye Burns

Chemical exposure to any part of the eye or eyelid may result in a burn. Permanent damage is possible and can be blinding.

Eye Burn: How to Treat It

When something injures your eye, quick action may prevent long-term problems to your eye or your vision.

Eye Injuries in the Kitchen

Here are some simple steps you can take to protect your eyes when you’re in the kitchen, and prevent injuries.

Subconjunctival Hemorrhage

A subconjunctival hemorrhage is a red spot on your eye caused by a broken blood vessel.

Hyphema (Bleeding in Eye)

Injuries can cause bleeding in the front of your eye, between the cornea and the iris. This bleeding is called a hyphema.

What Is a Black Eye?

A black eye is a bruise to the eyelid skin usually caused by an injury to the face.

What Are ‘Raccoon Eyes’? Causes, Symptoms, Treatment

Raccoon eyes are dark purple or blue bruises under your eyes. Doctors sometimes call raccoon eyes periorbital ecchymosis.

Black Eye Treatment

Besides icy treatment, there isn’t much you can do except to avoid anything that could cause further injury to your eye.

What to Know About Surgery to Remove an Eye

Eye removal a drastic procedure that doctors do as a last resort if no other treatment for a serious eye condition provides relief.

Eye ProtectionHow Sunglasses Protect Your Eyes

The right sunglasses can protect your eyes for years, but the wrong kind can do more harm than good.

What to Know About Gradient SunglassesWhat to Know About Polarized LensesWhat to Know About Solar Eclipse GlassesCosmetic Eye Procedures & MethodsEye-Whitening Drops: Are They Safe?

If your eyes are often red, you might wonder if whitening drops can help. They’re easy to get OTC, but are they safe?

Colored Contacts: Are They Safe?

Colored contact lenses look like a fun way to change up your look. But they may harm your eyes if you don’t use them right.

Eyelash Extensions: Are They Safe?

Artificial eyelash extensions sometimes may lead to side effects, for your eyes as well as your natural lashes.

Are Eyelash Growth Serums and Lash Extensions Safe?

Many people use eyelash extensions and serums to get the look they want, but you may wonder if they’re a safe choice.

Eye Color Change Surgery: Is It Safe?

You may have heard about surgeries that promise to turn your eyes whatever color you want. But they might not be the safest.

What to Know About the Dangers of "Eye Tattoos"

Eyeball tattoos are considered one of the most extreme tattoos a person can get and are widely known for their dangers.

Prosthetic Eye

A prosthetic eye can help improve the appearance of people who have lost an eye to injury or disease.

Top doctors in ,

Find more top doctors on

Related Links