Spencer Vision Guard
Yasir Sepah Health & Fitness iPhoneiPadiPod touch
Spencer Vision Guard is a free Health & Fitness app for iPhone and iPad by Yasir Sepah. Requires iOS 17.2. Updated December 20, 2025.
- Price
- Free
- on the App Store
- Size
- 4 MB
- Age 4+
- Updated
- Dec 20
- 2025 · v1.0
Screenshots
About Spencer Vision Guard
Vision Guard: Clinical Research Vision Monitoring Vision Guard is a research application designed to support clinical trials in ophthalmology by enabling remote vision monitoring for patients. The app is currently in a validation phase, partnering with multiple clinics to assess the accuracy of remote vision testing compared to traditional clinical measurements. FEATURES • Landolt C Vision Test: Standardized visual acuity testing • Remote Data Collection: Enables vision monitoring from patient locations • Clinical Validation: Compares results with gold standard BCVA measurements • Secure Platform: Encrypted data transmission for research teams • Multi-Clinic Partnership: Validating methodology across partner clinics PURPOSE Vision Guard administers the Landolt C test, a recognized method for measuring visual acuity. The app collects vision data from volunteers, with results validated against traditional in-clinic BCVA measurements to assess the reliability of remote testing approaches. RESEARCH STATUS Currently in controlled validation with volunteer participants and partner clinics. The goal is to determine if remote vision testing can provide reliable data comparable to traditional clinical measurements. IMPORTANT NOTES • Research and clinical trial use only • Requires authorized clinic credentials for access • Not for diagnostic or treatment purposes • Results must be interpreted by qualified healthcare professionals • Limited availability during validation phase FOR CLINICAL RESEARCH TEAMS Vision Guard offers a platform for collecting vision data from clinical trial participants remotely, potentially reducing in-person visit frequency while maintaining research data quality. Designed to support ongoing ophthalmology research. Privacy & Data Security Patient data is encrypted in transit and accessible only to authorized research team members with proper credentials. --- This application is for research purposes and requires authorized access. Not a replacement for professional medical care.
App privacy
The developer, Yasir Sepah, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Health & Fitness: Health
- Contact Info: Email Address, Name
- Identifiers: User ID
Used for: App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Crash Data
Used for: App Functionality
Alternatives to Spencer Vision Guard
Looking for apps like Spencer Vision Guard? Here are 6 similar apps on the App Store. The highest rated is SuvaHealth (5.0/5), and 5 of the 6 are free to download.
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FlowEye
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SuvaHealth
5.0
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OKKO Health
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TabCAT
5.0
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JoyEye: 20-20-20 Screen Shield
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WorkZen: Stand Up & Hydrate
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Spencer Vision Guard | – | Free | December 20, 2025 | |
| FlowEye | – | 9.99 USD | Jun 18, 2026 | Compare |
| SuvaHealth | 5.0 / 5 (4) | Free | Oct 7, 2026 | Compare |
| OKKO Health | – | Free | Oct 23, 2026 | Compare |
| TabCAT | 5.0 / 5 (4) | Free | Nov 15, 2025 | Compare |
| JoyEye: 20-20-20 Screen Shield | – | Free | Oct 20, 2026 | Compare |
| WorkZen: Stand Up & Hydrate | – | Free | Oct 6, 2026 | Compare |