510(k) Report

510(k) · Cleared

Cleared

Eye-Sync

K152915510(k) TraditionalCleared Jan 29, 2016119-day reviewClass II21 CFR 882.1460

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Syncthink, Inc. · GWN Nystagmograph

Cleared on Jan 29, 2016 as substantially equivalent to K070729 (Fall Prevention Technologies, LLC, 2007) after a 119-day review. Its family tree reaches back 3 generations to 1994. 1 later device descends from it.

Decided
Jan 29, 2016
Review
119 days
Class
Class II
Product code
GWN
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K925111 (1994). 4 ancestors in all. 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1997: 1 other ancestor2018: 1 descendant clearedK925111 · House Infrared/Video Electronystagmograph System · Eye Dynamics, Inc. · 1994K042529 · Balanceback VNG System · Fall Prevention Technologies, LLC · 2004K070729 · Balanceback Mobile Intuitive VNG System · Fall Prevention Technologies, LLC · 20071990200020102020
Other ancestors, by generationDescendants, by generation 3 generations back: 1 other ancestor 1 generation forward: 1 descendant K070729 · Balanceback Mobile Intuitive VNG System · Fall Prevention Technologies, LLC · 2007K042529 · Balanceback VNG System · Fall Prevention Technologies, LLC · 2004K925111 · House Infrared/Video Electronystagmograph System · Eye Dynamics, Inc. · 19940
  1. Root · 3 generations backK925111 House Infrared/Video Electronystagmograph SystemEye Dynamics, Inc. · 1994
  2. 2 generations backK042529 Balanceback VNG SystemFall Prevention Technologies, LLC · 2004
  3. 1 generation backK070729 Balanceback Mobile Intuitive VNG SystemFall Prevention Technologies, LLC · 2007
  4. This deviceK152915 Eye-SyncSyncthink, Inc. · 2016
  5. Descendant · cites it directly · 0 of its ownK181771 RightEye Vision SystemRighteye, LLC · 2018

Most influential descendants

Showing 1 of 1 · See all
  • K181771RightEye Vision SystemRighteye, LLC · 2018 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K925111House Infrared/Video Electronystagmograph SystemEye Dynamics, Inc.1994—
−2K042529Balanceback VNG SystemFall Prevention Technologies, LLC2004—
−1K070729Balanceback Mobile Intuitive VNG SystemFall Prevention Technologies, LLC2007—
0 (this device)K152915Eye-SyncSyncthink, Inc.2016—
+1K181771RightEye Vision SystemRighteye, LLC2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201810
FIG. 1 — Lineage of K152915, 1994–2018Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in GWN? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new GWN device

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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K070729Balanceback Mobile Intuitive VNG System
Summary page 4
…raph Classification Name 21 C.F.R. 882.1460 Nystagmograph Product Code GWN Predicate Device Fall Prevention Technologies, LLC balanceback Mobile Intuitive VNG System (K070729) Intended Use / Indications for Use The EYE-SYNC is intended for recording, viewing, and analyzing eye movements in support of i…
Fall Prevention Technologies, LLC2007—

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K181771RightEye Vision SystemRighteye, LLC20180

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 22 years and passes through 3 companies; a new generation was cleared every 8.8 years on median.
  • None of the 4 ancestors has a recall.
  • Of its descendants, K181771 (Righteye, LLC, 2018) has gone furthest, with 0 descendants of its own.

How does its category compare?

All GWN devices

GWN Nystagmograph: FDA decisions, review times, recalls and adverse event reports over 20 years. 2016, this device’s year, is highlighted.

FDA decisions per year · GWN

3in 2025

2007: 22008: 12009: 12013: 32015: 32016: 22017: 42018: 32019: 12020: 22023: 12025: 32026 (partial year): 1
2007high 4 (2017) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GWN

203in 2025

2013: 88 days median2015: 165 days median2017: 160 days median2018: 87 days median2025: 203 days median
2007high 203 (2025) · low 87 (2018)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · GWN

1in 2013

2013: 1
2007high 1 (2013) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · GWN

1in 2025

2012: 22018: 12019: 52021: 12022: 12023: 32024: 42025: 1
2007high 5 (2019) · low 0 (2007)2025

MAUDE reports naming product code GWN, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20072—00
20081—00
20091—00
20100—00
20110—00
20120—02
201338810
20140—00
2015316500
20162—00
2017416000
201838701
20191—05
20202—00
20210—01
20220—01
20231—03
20240—04
2025320301
20261—0—

What is it indicated for?

The EYE-SYNC is intended for recording, viewing, and analyzing eye movements in support of identifying visual tracking impairment in human subjects.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K152915: Eye-Sync.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K152915

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026