Measure your binocular pupillary distance using your webcam for accurate eyeglass fitting.
Position your face in front of the camera
Keep a standard credit card ready for calibration
Look straight at the camera
Hold still for accurate measurement
Position your face in front of the camera
Keep a standard credit card ready for calibration
Hold a credit/debit card horizontally under your nose, touching your face
You'll align on-screen guides with your card edges for precise calibration
Card Calibration
Drag the handles to align with your card's left and right edges
Card Width: -- px
Card aligned
Standard credit/debit card width: 85.6mm (ISO 7810).
Align the cyan handles with the left and right edges of your card visible in the video.
Loading...
Initializing camera...
Camera Error
Unable to access camera. Please check permissions.
Face Detected
Position your face in the frame
L
R
Too closeOptimalToo far
Left PD--mm
Total PD--mm
Right PD--mm
Measuring...
This measurement uses your face proportions for calibration.
Keep your face at arm's length (~40cm) from the camera and look straight ahead.
Disclaimer: This webcam-based PD measurement is an estimate only (±2mm accuracy).
For the most accurate results, please have your PD measured by an optician.
Using an inaccurate PD may affect the quality of your prescription lenses.
🍪
We value your privacy
We use cookies to enhance your browsing experience, personalize content, and analyze our traffic. You can choose which cookies you'd like to allow.
Cookie Preferences
Manage your cookie preferences below. Essential cookies are required for the site to function and cannot be disabled. For more information, see our Cookie Policy.
Essential CookiesAlways Active
Required for the website to function. Includes session management, authentication, CSRF protection, shopping cart, and security features. These cannot be disabled.
Functional Cookies
Enable enhanced functionality such as language preferences, theme settings (dark/light mode), recently viewed products, and saved search filters. Disabling may affect your experience.
Analytics Cookies
Help us understand how visitors interact with our website by collecting anonymous usage data. This includes Google Analytics and performance monitoring to improve our services.
Marketing Cookies
Used to deliver relevant advertisements and track campaign effectiveness. This includes Facebook Pixel, retargeting pixels, and email marketing personalization. We may share this data with advertising partners.
