The Web DDART optotype (wDDART or Visual Acuity Test) is a digital optotype for near and intermediate vision that was developed and validated at the Department of Ophthalmology of the Democritus University of Thrace. DDART incorporates the fundamental principles of the printed MNREAD-GR and calculates the following parameters.

Features

• Completely Free
• Sentence display with 19 print sizes
• Distance from Screen recording (face-api.js)
• Graphical display and export of results (Chart.js)
• Export results to Excel (SheetJS)
• Export results to PDF (JSPDF)
• 6 Wordlists available

Calculations

• Reading Duration
• Mistakes
• Reading Speed
• Average Reading Speed
• Standard Deviation
• Maximum Reading Speed (MRS)
• Critical Print Size (CPS)
• Reading Accessibility Index (ACC)

Pages

Intro Landing Page

Home Page

Camera Calibration Page

Text Calibration Page

Test in Progress

Results Page

Exported Excel File

Exported PDF File