100% Free · 60 Seconds · No Signup

Free Online Eye Test

Take our quick vision check from anywhere. We'll measure your visual acuity, flag any concerns, and recommend a follow-up if needed. Results are instant.

✓ Used by 2.4M people ✓ Reviewed by licensed optometrists ✓ No credit card required
Before You Begin

Set Up Your Test

For accurate results, please follow these instructions carefully.

  1. 1 Sit approximately 40 cm (16 inches) from your screen.
  2. 2 Cover your right eye with your hand. Keep it covered for the full test.
  3. 3 For each line, click "Yes, I can read it" if you can identify the letters clearly.
  4. 4 If your screen is dim or you're in a dark room, increase your brightness now.
Test 1 of 6 · 20 / 200

Can you read this letter?

E
Snellen Line · 20/200 acuity threshold
Test 2 of 6 · 20 / 100

Can you read these letters?

F P
Snellen Line · 20/100 acuity threshold
Test 3 of 6 · 20 / 70

Can you read these letters?

T O Z
Snellen Line · 20/70 acuity threshold
Test 4 of 6 · 20 / 50

Can you read these letters?

L P E D
Snellen Line · 20/50 acuity threshold
Test 5 of 6 · 20 / 30

Can you read these letters?

P E C F D
Snellen Line · 20/30 acuity threshold
Test 6 of 6 · 20 / 20

Can you read these letters?

E D F C Z P
Snellen Line · 20/20 acuity threshold
Action Required

Your Vision Test Results

Based on your responses, we've calculated the following indicators. We strongly recommend booking a follow-up exam.

Visual Acuity
20 / Unknowable
Recommended Prescription
+47.50 / −12.25
Astigmatism
Yes (severe)
Color Perception
Possibly inverse
Depth Perception
Below recordable threshold
Reading Fatigue Index
9.3 / 10
Book Optometrist Appointment
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Important: This test is a screening tool only and does not replace a comprehensive eye exam by a licensed optometrist. If you experience sudden vision changes, eye pain, or persistent blurriness, consult a healthcare professional. Their not medical advice.
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