# PD Meter

> Utilities

Canonical page: [https://chrome-stats.com/d/id1497268134](https://chrome-stats.com/d/id1497268134)

## Overview

- **ID:** `id1497268134`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** 杭州美戴科技有限公司
- **Category:** Utilities
- **Rating:** 2.00 / 5 (4 ratings)
- **Version:** 2.1.1
- **Last updated:** 2020-09-03
- **First published:** 2020-02-27
- **Size:** 93 MB
- **Data as of:** 2026-09-05
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/pd-meter/id1497268134)
- **Privacy policy:** [https://www.meidaitech.com/privacy.html](https://www.meidaitech.com/privacy.html)

## Description

MEIDAI Interpupillometer is the world's first app which using AI technology for binocular interpupillary measurement. Using it can avoid the risk that traditional handheld interpupillometers requiring doctors and users facing each other in a extreme close distance (approximately 20cm).

[Accuracy] 0.1mm
[Result error] 0.3-0.5mm
[Tips for use] For FPD measurement, focus at least 4 meters away. For NPD measurement, please follow the "distance reminder".
[Steps]
(1) Adjusting the face to the camera
(2) Keep your face steady when prompted
(3) Focus distance required to adjust sight
* Use interpupillary distance for distance, look beyond the "tip arrow" to see the distance
* Close to interpupillary distance, focus on "tip arrow" camera
(4)) Click [Measure] to get interpupillary results
(5) The errors in AI's pupil recognition can be corrected manually.

For further technical support from professional organizations, please contact us:
WeChat: 13957778558
Email: support@meidaitech.com
Official Website: https://www.meidaitech.com

## Rankings

- #704,473 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1497268134)