👓 Glasses Power Checker

Test your vision and estimate your glasses prescription using your mobile camera

⚠️ Important Medical Disclaimer

This tool provides only an ESTIMATE of your vision. It is NOT a substitute for a professional eye exam. Always consult an optometrist or ophthalmologist for an accurate prescription and complete eye health checkup.

1

Camera Setup

Allow camera access when prompted. Hold phone steady.

2

Vision Test

Follow these steps:

  1. Put on your current glasses (if you have any)
  2. Look at the test chart below from normal reading distance
  3. Tap the line that appears CLEAREST
  4. Remove glasses and repeat test to see the difference

Vision Test Chart

Tap the smallest line you can read clearly:

E F P T O Z (Perfect vision)
F E L O P Z (Very mild +0.50)
P O T E C F (Low +1.00)
E F P O T D (Medium +1.50)
L P F D E C (High +2.00)
F D P L T C (Very high +2.50+)
3

Estimated Result

+0.00 D

Based on your test, your estimated glasses power is:

What This Means:

Positive numbers (+): You may be farsighted (need help with near vision)

Negative numbers (-): You may be nearsighted (need help with distance vision)

Zero (0.00): Your vision may be normal

Remember: This is an estimate only. Real prescriptions include cylinder (astigmatism) and axis measurements.

How It Works: