Multifocal Lens Analyzer
Defocus Curve
About
This application assists vision science professionals in measuring visual acuity defocus curves for multifocal lenses. It offers basic features for free and advanced functionalities through a pro subscription, enhancing clinical practice and research.
What's New in Multifocal Lens Analyzer
3.0.11
September 7, 2026
Added compatibility for iPad 10
Subscriptions & In-App Purchases
Pro
Enable the PRO features during 1 month
Developer apps
FAQ
What is Multifocal Lens Analyzer used for?
Multifocal Lens Analyzer is used by vision science professionals to measure visual acuity defocus curves for multifocal intraocular and contact lenses. It provides a digital method for evaluating visual performance across different defocus levels.
What are the basic features of Multifocal Lens Analyzer?
The free version includes Visual Acuity Defocus Curves, the ability to select two distances (2m and 4m), a defocus lens range from +5.00 D to -5.00 D, and Snellen optotypes.
What functionalities does the PRO version of Multifocal Lens Analyzer offer?
The PRO version adds Contrast Sensitivity Defocus Curves, +/- 0.25D steps, Sloan Optotypes, auto-calculation of Sphere, remote control, a historical database, data export to .CSV, and area under the curve calculation.
How does Multifocal Lens Analyzer work on iPhone vs. iPad?
An iPad is required for conducting the Defocus Curve measurement. An iPhone can be used as a remote control for the measurement process on an iPad.
What is the cost of the PRO subscription for Multifocal Lens Analyzer?
The PRO subscription costs $45.99 per year and provides access to all advanced features. Prices may vary by country.
How can I manage my PRO subscription for Multifocal Lens Analyzer?
Subscriptions can be managed by the user through their Account Settings after purchase. Auto-renewal can be turned off at least 24 hours before the end of the current subscription period.
Is Multifocal Lens Analyzer suitable for all vision professionals?
Yes, this is a professional app designed for professionals in vision sciences. It is based on evidence and intended for clinical practice and research.
Where can I find more information or support for Multifocal Lens Analyzer?
You can find research validation papers and authors who have used the app on www.defocuscurve.com. The website also provides terms and privacy policy information.
