# VisionSim by Braille Institute

> Medical

Canonical page: [https://chrome-stats.com/d/id525114829](https://chrome-stats.com/d/id525114829)

## Overview

- **ID:** `id525114829`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Removed
- **Publisher:** Braille Institute
- **Category:** Medical
- **Rating:** 3.30 / 5 (24 ratings)
- **Version:** 3.2
- **Last updated:** 2019-04-15
- **First published:** 2012-05-15
- **Size:** 25 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/visionsim-by-braille-institute/id525114829)
- **Privacy policy:** [https://www.brailleinstitute.org/financial-info/privacy-policy](https://www.brailleinstitute.org/financial-info/privacy-policy)

## Description

Braille Institute's VisionSim (v3.0) app for iPhone and iPad was developed to allow people with healthy vision to see the world through the eyes of a person experiencing one of nine degenerative eye diseases.  The eye diseases that are simulated are: age-related macular degeneration, cataracts, chronic open-angle glaucoma, corneal edema, diabetic retinopathy, homonymous hemianopia, macular degeneration, retinal detachment, retinitis pigmentosa.

The application uses the camera in the iPhone or iPad along with digital filters to allow the user to experience the symptoms of a particular disease. Using sliding touch-screen controls, the user can manipulate the severity of the symptoms.  Still images from the simulations can be saved by the user and stored or shared.

(Note:  iOS version 6+ users - In order to save your VisionSim 'simulator' images, you must go to SETTINGS > PRIVACY > PHOTOS > turn VisionSim 'ON')

The application also provides detailed information about each of the eye diseases including associated visual phenomenon, symptoms, causes and treatments. The user can also access Braille Institute's website or contact Braille Institute directly via email for more information.

This application was designed to foster understanding and compassion for the millions of people affected by these eye conditions.

For more information on the VisionSim application please email: appthinktank@BrailleInstitute.org

## Review summary

VisionSim is praised as an educational tool that effectively helps people understand vision loss and disease progression and is easy to use for demonstrations. Users value the adjustable severity to show progression, and the app as a teaching aid. However, reliability and compatibility issues reduce its usefulness: crashes or failure to open, heavy memory usage, and inconsistent performance on older iOS devices. The red central circle overlay is a noted usability concern, though it can be disabled. Overall, its educational goal is clear, but updating and stability improvements are needed.

### Pros

- Valuable educational tool for demonstrating vision loss and disease progression to others.
- Easy to use and engaging, great for presentations and outreach.
- Slider-based customization to adjust severity and illustrate progression.

### Cons

- App crashes or won’t open on multiple devices/OS versions.
- High memory usage and low memory errors on devices.
- Compatibility issues with older iOS versions and devices (e.g., iOS 11 support gaps).
- Red central circle overlay can obscure vision; can be annoying, though it can be disabled.

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Source: [Chrome-Stats](https://chrome-stats.com/d/id525114829)