# OKN Drum: Optokinetic

> Nystagmus & eye movement test

Canonical page: [https://chrome-stats.com/d/id6474153180](https://chrome-stats.com/d/id6474153180)

## Overview

- **ID:** `id6474153180`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** My Call Bag LLC
- **Category:** Medical
- **Rating:** 4.10 / 5 (16 ratings)
- **Version:** 3.8
- **Last updated:** 2026-09-16
- **First published:** 2023-12-12
- **Size:** 13 MB
- **Data as of:** 2026-09-21
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/okn-drum-optokinetic/id6474153180)
- **Website:** [https://OKNDrum.com](https://okndrum.com/)
- **Privacy policy:** [https://okndrum.com/privacy.html](https://okndrum.com/privacy.html)

## Description

Optokinetic drum with adjustable stripe width, speed and direction. For nystagmus and pursuit work.

IN-APP PURCHASE REQUIRED FOR USE
· OKN Drum Pro provides an Optokinetic Nystagmus (OKN) Drum featuring multiple modes for optokinetic testing and exercises. Users can adjust the stripe width to their preference using the pinch-to-zoom functionality. 
· The speed of the OKN stripes is easily adjustable, enabling quick increases or decreases as desired. 
· Users have the option to select either black or red stripes to suit their visual requirements. 
· Includes multiple pediatric targets, such as puppies, dinosaurs, and various animal targets. 
· By tapping the stripes, users can enter full-screen mode for an immersive experience. 
· A metronome is also available to assist with timing exercises, enhancing the overall utility of the app for therapeutic and testing purposes.
· Record eye movements with the front facing camera
· Upload images for a custom OKN drum
· Flick the OKN graphic to simulate rotating an OKN drum

This app is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your doctor or a qualified healthcare provider before making any medical decisions. If you think you may have a medical emergency, call emergency services immediately.

## Rankings

- #285,072 — Overall

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- [Virtual OKN](https://chrome-stats.com/d/id1191829967) — 1.00 / 5
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Source: [Chrome-Stats](https://chrome-stats.com/d/id6474153180)