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
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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.