Eye Exam vs Screening: Know the Difference

The eye exam vs screening question comes down to depth. A vision screening is a quick check for basic problems.

A complete eye exam is a full look at your eye health by an eye doctor. Only the exam can find hidden eye disease and give you a prescription.

When were your eyes last checked? Many adults in The Villages, Florida, have only had a quick screening at a health fair or pharmacy.

That is a start, but a screening and an exam do different jobs.

Why Eye Health Matters More as You Age

Cataracts, glaucoma and dry eye become more common with age. Many of these problems grow without symptoms, so you may not notice them until damage is done.

According to the CDC, about 12 million people over age 40 in the U.S. have some vision impairment. Regular eye exams find these problems early.

A screening is too short to give adults 55 and older the depth of care they need.

Eye Exam vs Screening: What Is a Vision Screening?

A vision screening is a quick, basic test for possible vision problems.

Screenings usually happen outside a doctor’s office, such as at health fairs, schools or pharmacies. The person running it is often a school nurse or a trained volunteer, not an eye care specialist.

What screenings can do. They can flag basic problems, like trouble seeing far away or reading small print. They are also free or low cost and easy to get.

Limits of screenings. A screening cannot find eye disease or check your eye health.

They also cannot give you a prescription for eyeglasses or contact lenses. For that, you need an eye doctor.

For more on common eye conditions, the National Eye Institute has a page on healthy vision.

Eye Exam vs Screening: What a Full Exam Covers

A complete eye exam is a thorough check by an optometrist or ophthalmologist. Besides testing how well you see, it checks the health of your eyes and can find problems before symptoms start.

A typical exam includes:

1. Medical history: Your doctor asks about your health, medicines, family eye history and any symptoms.

2. Visual acuity test: You read letters on a chart to show how clearly you see at different distances.

3. Refraction: This finds the prescription you need for glasses or contacts.

4. Eye health check: Your optometrist looks closely at the parts of your eye, often with a slit lamp. This is a special microscope with a bright light.

5. Eye disease tests: These look for glaucoma, cataracts and age-related macular degeneration (AMD). See dilated eye exams.

Benefits of a Full Exam in the Eye Exam vs Screening Choice

A full exam gives you three things a screening cannot.

• Prevention: Finding glaucoma, AMD or diabetic retinopathy early can help prevent lasting damage.
• Accurate prescriptions: An exact prescription helps you see as clearly as possible.
• A look at your health: An eye exam can show signs of body-wide conditions like diabetes or high blood pressure.

Take dry eye as an example. It can affect daily life, but a quick screening may miss it.

You can read about dry eye treatment on our site. For general facts, see All About Vision’s overview of dry eye syndrome.

Why Villages Residents Need a Full Exam

You might golf, read by the lake or spend time with family. All of it depends on clear, comfortable sight.

Screenings are convenient, but they do not track age-related changes like presbyopia or cataracts. A regular exam does.

If you wear contact lenses, regular exams also keep your prescription up to date. See contact lenses and the American Optometric Association page on caring for your eyes.

Common Questions About Eye Exams

How often should I have a complete eye exam?

The American Optometric Association recommends that adults 55 and older have a complete exam every 1 to 2 years. Go more often if your doctor advises it.

Does insurance cover complete eye exams?

Many vision insurance plans cover routine exams. Check your plan for details, or see our page on vision insurance.

How can I prepare for my exam?

Bring your current eyewear and a list of your medicines. Also, be ready to talk about any symptoms you have noticed.

Book Your Complete Eye Exam

A screening can catch basic issues. A full exam checks the health of your eyes, and that matters most if you already manage an eye condition.

At Hindsight Eye Care in Pinellas Plaza, Dr. James A. Russell, OD, does complete eye exams for residents of The Villages, Florida.

Bring your questions, and he will answer them in plain words.

Book your eye exam today. You can also contact us to find out more about our services.