S4V Vergence is indicated for training horizontal fusional vergences (convergence and divergence) using classical anaglyphs.
By horizontal scrolling on the screen of their device, the user can move the images to train convergence (horizontal scrolls down) or divergence (horizontal scrolls up).
As you exercise, the app provides you with the vergence values ​​in prismatic diopters so you can keep track of your achievements.
The application allows modifying the following variables:
- Figure used in the exercise
- Vergence step (0.25 - 0.50 - 1.00)

The distance at which the exercises must be performed for the values ​​provided by the application to be valid is 40 cm.
Outstanding Features:
- Variable options (vergence steps, figure change)
- Option to calibrate the application for any device and ensure that the values ​​it provides are correct (Settings> Calibrate screen).
- Possibility of using different anaglyph glasses (red / blue)

Glasses
The application is designed to be used with RED / BLUE anaglyph glasses that have the red filter on the left eye. In this way we will be correctly training visual skills as indicated by the application.
The Settings provides the option to calibrate the colors of the screen to adjust them as much as possible to the glasses that the user is going to use. Through a simple procedure, the combination that best fits the glasses you want to use is sought.
SmarThings4Vision sells, through its online store, anaglyph glasses so that the professional can use / sell / offer their patients to use the application.

SmarThings4Vision has a series of S4V APPS applications aimed at training specific visual skills. The development of the S4V APPS has been carried out by eye care professionals with the aim of providing tools for patients to work outside the office.