# Worth 4 Dot

> Medical app for eye care professionals to test binocular vision and retinal correspondence. (iPhone/iPad app by Isdin Oke.)

- Source: https://appshunter.io/ios/app/worth-4-dot/id1475854965 (this page in markdown: same URL + `.md`)
- Developer: [Isdin Oke](https://appshunter.io/developer/1473551065)
- Category: Medical, Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 12.2 · 0 MB
- Languages: American English
- Released: 2019-08-09
- Data updated: 2026-06-24
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/worth-4-dot/id1475854965/reviews.md

## What is Worth 4 Dot?

Designed for eye care professionals and students. Use at own discretion.

Use in place of Worth 4-Dot flashlight to assess for fusion, suppression and anomalous retinal correspondance. 

Test with red-green anaglyphic glasses over best optical correction (red filter over right eye and green over left).

Patient should see one of the following: 

* Two red dots: supression of left eye

* Three green dots: supression of right eye

* Four dots: normal binocular response

* Five dots:
     a) Red dots on right 
           Uncrossed diplopia (esotropia)
     b) Red dots on left
           Crossed diplopia (exotropia)

## Key features

- Fusion assessment
- Suppression testing
- Anomalous retinal correspondence analysis
- Red-green anaglyphic glasses compatibility
- Binocular vision testing


## Frequently asked questions about Worth 4 Dot

### What is Worth 4 Dot used for?

Worth 4 Dot is used by eye care professionals and students to assess binocular vision, specifically for fusion, suppression, and anomalous retinal correspondence. It aids in diagnosing various visual conditions.

### How does Worth 4 Dot work?

The app guides users to test binocular vision using red-green anaglyphic glasses. By observing the resulting dot patterns, users can interpret the patient's visual response, indicating conditions like suppression or diplopia.

### What are the requirements for using Worth 4 Dot?

To use Worth 4 Dot effectively, you will need red-green anaglyphic glasses with the red filter over the right eye and green over the left. The app is designed for iPhone and iPod devices.

### What does seeing different numbers of dots mean in Worth 4 Dot?

Seeing four dots indicates a normal binocular response. Two red dots suggest suppression of the left eye, three green dots indicate suppression of the right eye, and five dots can signify crossed or uncrossed diplopia.

### Is Worth 4 Dot suitable for all ages?

Worth 4 Dot has an age rating of 4+, suggesting it is appropriate for use with patients aged 4 and above. However, its primary use is by trained professionals.

### How often is Worth 4 Dot updated?

Worth 4 Dot was last updated on August 9, 2019, with version 1.0. As of this update, there have been no subsequent updates.

### Does Worth 4 Dot have ads?

No, Worth 4 Dot does not contain advertisements. The app is free to use and does not display any ads.

### What is the user rating for Worth 4 Dot?

Worth 4 Dot has a perfect rating of 5.0 stars based on one review. This indicates a highly positive reception from its users.

## Version history (last 1 release)

### 1.0 — 2019-08-09

No release notes.

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## More apps by Isdin Oke

- [eyeCuity: Near Vision Card](https://appshunter.io/ios/app/eyecuity-near-vision-card/id1473551096)
- [eyeTranslate](https://appshunter.io/ios/app/eyetranslate/id1473762024)
- [Floater Journal](https://appshunter.io/ios/app/floater-journal/id1481782318)
- [eyeShihara: Color Plates](https://appshunter.io/ios/app/eyeshihara-color-plates/id1481797504)

All apps by Isdin Oke: https://appshunter.io/developer/1473551065

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-24.*