# MacDx

> Medical app for macular dark adaptation testing to aid in maculopathy detection. (iPhone/iPad app by AMA Optics.)

- Source: https://appshunter.io/ios/app/macdx/id6446411129 (this page in markdown: same URL + `.md`)
- Developer: [AMA Optics](https://appshunter.io/developer/1194938583)
- Category: Medical, Health & Fitness
- Price: Free with in-app purchases
- Rating: 4.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.5 · 15 MB
- Languages: English, Spanish
- Released: 2023-11-07
- Data updated: 2026-08-11
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/macdx/id6446411129/reviews.md

## What is MacDx?

The MacDx app is designed for iPhone, iPad and iMac to measure dark adaptation of the macula to discover either active or a tendency for maculopathy. Delayed macular dark adaptation to light is a sign of possible disease. Macular dark adaptation testing is in addition to currently administered macular tests and does not duplicate any part of the usual eye examination. MacDx® does not diagnose or treat eye diseases which is the responsibility of eye care professionals. MacDx does provide useful data to assist the eye care professional in identifying and diagnosing macular disease. The app consists of three tests: White Light Dark Adaptation, Color Light Dark Adaptation and Dark Adaptation Curve. Each test takes about 5 minutes and results are archived. Depending on the test, statistics include mean, sum, standard deviation, coefficient of determination, coefficient of variation (CV%), Pearson correlation coefficient. 
CPT code may apply: 92284–Diagnostic dark adaptation examination with interpretation and report.  Physician specialities are applicable: Ophthalmologist, Optometrist, Neurologist.
A companion app for individuals, MacHealth, is a simplified version of White Light Dark Adaptation of the macula. MacHealth is a screening self-test for individuals which detects either active or a tendency for maculopathy on personal iPhone, iPad and iMac. Slow macular dark adaptation triggers the suggestion for professional eye care. MacHealth is sold separately. MacDx® and MacHealth™ can be used remotely by individuals or in the office by eye care professionals.
Apple EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Macular dark adaptation measurement
- White Light Dark Adaptation test
- Color Light Dark Adaptation test
- Dark Adaptation Curve test
- Archived test results
- Statistical data analysis

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Premium Access | $99.99 | per month |


## Chart rankings

- #200 in Top Grossing · Medical (US App Store)


## Frequently asked questions about MacDx

### What is MacDx used for?

MacDx is used to measure the dark adaptation of the macula. This helps in identifying active maculopathy or a tendency for it, providing valuable data for eye care professionals to assist in diagnosis.

### Does MacDx diagnose eye diseases?

No, MacDx does not diagnose or treat eye diseases. It is designed to provide useful data that assists eye care professionals in identifying and diagnosing macular disease. Diagnosis and treatment are the responsibility of these professionals.

### What tests are included in MacDx?

MacDx includes three tests: White Light Dark Adaptation, Color Light Dark Adaptation, and Dark Adaptation Curve. Each test takes approximately 5 minutes to complete.

### What kind of statistics does MacDx provide?

Depending on the test, MacDx provides statistics such as mean, sum, standard deviation, coefficient of determination, coefficient of variation (CV%), and Pearson correlation coefficient.

### Is MacDx available on multiple devices?

Yes, MacDx is designed for iPhone, iPad, and iMac, making it accessible across various Apple devices.

### What is the pricing for MacDx?

MacDx is currently offered for free. However, it does have in-app purchases, including a 'Premium Access' subscription at $99.99 per month with a 3-day free trial.

### How often is MacDx updated?

The latest version of MacDx is 1.0, and it was last updated on November 7, 2023. Further update frequency is not specified.

### What is the age rating for MacDx?

MacDx has an age rating of 4+, indicating it is suitable for users aged 4 and above.

## Version history (last 1 release)

### 1.0 — 2023-11-07

No release notes.

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## More apps by AMA Optics

- [DiagnosticGame™](https://appshunter.io/ios/app/diagnosticgame/id1194938584)
- [MacHealth](https://appshunter.io/ios/app/machealth/id6476466130)

All apps by AMA Optics: https://appshunter.io/developer/1194938583

## Related topics

[the macula society](https://appshunter.io/ios/topics/the-macula-society)

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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 2026-08-11.*