VisionAssist App for iOS

VisionAssist is a magnification application that lets you use your iPhone or iPad as an electronic magnifier.

Cost: $3.99

Developed by Slinkyware

Printed page with no magnification

Using the VisionAssist app to magnify a printed page

Screen shot of VisionAssist Magnification

VisionAssist Walkthrough

Help Button

Opens a short document in a pop-up window that explains the various symbols users will encounter using VisionAssist.

Toggle AutoFocus Button

Switch between AutoFocus and Fixed Focus

Settings Button

Allows users to set a variety of app settings related to display modes, highlighting, and user controls (see below anchor tag needed to below).

Increase Contrast Button

Increases the contrast

Increase Zoom Button

Increases the zoom

Zoom levels between 2x and 20x

Decrease Contrast Button

Decreases the contrast

Change Mode Button

Color Video	Color video is always enabled and “…provides color video, great for looking at photos and magazines.”¹

Highlights	Highlights mode “…provides a high contrast image in two colors.”¹ Highlights Mode colors include black on white, white on black, black on yellow, and blue on yellow. Users can also enable inverse of each color mode.

Smart Text	Smart Text mode “…uses our advanced algorithms to highlight and enhance text particularly on uneven backgrounds. Great for reading newspapers or books.”¹

Black and White Video	B&W mode “…provides grayscale video”¹

Pause Display Button

Freeze the screen and save images of whatever you’re magnifying

When you have paused the screen, the controls to change mode and increase/ decrease zoom will work on the paused image.

When the Pause Display button is activated, a Save Image button will appear along the bottom edge of the screen in the middle between Change Mode and Pause Display. When screen shot is saved, the interface buttons will not show on your image but the magnification, contrast, and color mode will. Users will find these images available in their iOS Photos app.

Decrease Zoom Button

Decreases the zoom

VisionAssist Settings

Display Modes

These settings allow users to change what color modes are available when using the Change Mode button.
Highlights	Toggle Highlights on and off
Smart Text	Toggle Smart Text on and off
Black and White Video	Toggle B&W Video on and off
Highlights Mode Colors	Allows you to choose one of the four settings: black on white, white on black, black on yellow, and blue on yellow.
Enable Highlights Inverse Color Mode	Toggle the inverse of the selected Highlight on and off

User Controls

Enable Panning Only When Paused	When enabled, allows user to pan around the paused image. At this time, this feature does not work with VoiceOver.
Tap Screen to Hide Controls	When enabled, allows users to hide/show the interface controls. At this time, this feature does not work with VoiceOver.
Disable Auto Dimming of Display	When enabled, prevents the display from timing out due to inactivity.
Use Buttons for Zoom and Threshold	When enabled, changes the increase/decrease buttons for zoom and contrast to sliders.

Send Suggestion to Author

Send feedback to the creator(s) of VisionAssist by support@slinkware.com

The email will come prepopulated with info about your device, operating system, and other system settings relating to VisionAssist.

Screen shot of VisionAssist app generated email

Training Resources for VisionAssist

References

1. Slinkyware. (2013, ). Key features. Retrieved from VisionAssist website: http://visionassist.slinkyware.com/details/

Vermont DBVI Training

VisionAssist App for iOS