apps / 6474153180
OKN Drum: Optokinetic
Nystagmus & eye movement test
My Call Bag LLC · Medical · Free · US storefront
- rating
- 4.1 ★
- ratings
- 16
- updated
- Oct 13, 2026
- released
- Dec 12, 2023
v4.0
visible word pool · 7 words
title 21/30 chars · subtitle 29/30 chars
App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of OKN Drum: Optokinetic's pool that are public — the keyword field is not exposed by any API.
from the listing
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…
latest US reviews
★★★★★
Disappointed
Purchased the in app purchase for the metronome sound and it doesn’t work. My sound and ringer was all the way up, my phone was not on silent and still not working.
— Br4120
★★★★★
Upside down dogs
I really was liking this app for clinic to hold kids attention. But now the animals scroll upside down no mater what orientation I hold my iPad. I tried unlocking and locking the screen orientation but it did not fix the issue. Frustrating. I wish the developer would fix this…
— Elle and Eye
★★★★★
Great rehab tool
This is fantastic as a tool for vestibular rehab! Is there a way to make it a 360 immersive video version—where it looks like you are in an optokinetic drum (compatible with a phone VR headset) to use for patients with MdDs?
— Vestibular_PT
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