Eye exam (retinal)
Checks vision, eye pressure and the retina - which can also show signs of diabetes and high blood pressure.
TypeExam
HowVision test, eye pressure check and a look at the back of the eye, sometimes with dilating drops.
How oftenEvery 1–2 years from 40; yearly with diabetes.
BeforeBring glasses; arrange a ride if dilation is planned.
WhoAdults 40+, and anyone with diabetes or high blood pressure.
Your eyes show more than eyesight
An eye exam checks vision and the health of the eye itself. Glaucoma and diabetic eye changes often cause no symptoms until vision is lost.
Vision
“Do I need glasses?”
Tests how clearly you see.
Sight
Glaucoma
“Is pressure damaging my nerve?”
Silent - found only by an exam.
Silent
Diabetes and blood pressure
“Is my health affecting my eyes?”
The back of the eye shows small blood vessel damage.
Whole-body clue
Is it right for you?
Worth considering if…
- You’re 40+.
- You have diabetes or high blood pressure.
- Glaucoma runs in your family.
A better option if…
- Only need new glasses - a basic vision test may be enough.
How it’s measured
Comprehensive eye exam
Optometrist or ophthalmologist.
Retinal photography
Often used in diabetes.
The full picture
What is it?
A full exam of vision and eye health.
What type of test is it?
A clinical exam.
What does it measure?
Vision, eye pressure and retina.
Why might someone consider it?
To catch glaucoma, macular degeneration and diabetes damage early.
Who is it most relevant for?
Adults 40+ and people with diabetes.
How is it performed?
Tests and a look inside the eye.
How often might it be considered?
Every 1–2 years.
What can the result help you understand?
Your eye health and signs of blood vessel damage.
What are its limitations?
Dilation blurs vision for a few hours.
What should it be viewed with?
HbA1c, blood pressure and family history.
Where to get it
Through your provider
Part of many routine visits.
Specialists
Optometrists, audiologists or dermatologists.
Community programmes
Some pharmacies and clinics offer free checks.
Names are examples only, not endorsements. Your provider can often order the same test - and help interpret it.
Connected to
Questions to ask your provider
- How often should I have my eyes checked?
Ziva Health
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Ziva brings your lab results, wearables and daily readings together - and Isabella tells you what’s changing and what to ask your provider next.
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Being listed doesn’t mean everyone needs this test. Educational only — not medical advice. Results should be interpreted with a qualified clinician. ← Back to Know What to Test