The RightEye Vision System is intended for recording, viewing, and analyzing eye movements in support of identifying visual tracking impairment in human subjects.
Device Story
RightEye Vision System records/analyzes eye movements to identify visual tracking impairment; uses hardware eye tracker (Tobii Dynavox i15) with remote camera/light source to capture eye movement while subject follows visual stimuli on monitor; software records fixation, pursuit, and saccade movements; data uploaded to secure web server via HTTPS; server calculates metrics and generates quantitative outputs/graphics; clinician accesses reports via web portal; provides objective metrics not observable in clinical observation; supports clinical decision-making; does not provide diagnosis; used by physicians/clinicians.
Clinical Evidence
Bench testing only. Validation testing included test-retest reliability and accuracy assessments. Software verification and validation performed per FDA guidance for moderate level of concern.
Technological Characteristics
Eye-tracking system; hardware: Tobii Dynavox i15 all-in-one computer; software: pre-loaded, Windows 10-based; connectivity: web-portal access via HTTPS; sensing: remote camera and light source; analysis: proprietary algorithms for fixation, pursuit, and saccade metrics.
Indications for Use
Indicated for human subjects to identify visual tracking impairment via recording, viewing, and analyzing eye movements.
Regulatory Classification
Identification
A nystagmograph is a device used to measure, record, or visually display the involuntary movements (nystagmus) of the eyeball.
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September 28, 2018
RightEye, LLC Adam Gross Chief Executive Officer 7979 Old Georgetown Rd., Suite 801 Bethesda. Maryland 20814
Re: K181771
Trade/Device Name: RightEye Vision System Regulation Number: 21 CFR 882.1460 Regulation Name: Nystagmograph Regulatory Class: Class II Product Code: GWN Dated: June 29, 2018 Received: July 3, 2018
Dear Adam Gross:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food. Drug. and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. Although this letter refers to your product as a device, please be aware that some cleared products may instead be combination products. The 510(k) Premarket Notification Database located at https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpmn/pmn.cfm identifies combination product submissions. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
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Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807): labeling (21 CFR Part 801): medical device reporting of medical device-related adverse events) (21 CFR 803) for devices or postmarketing safety reporting (21 CFR 4, Subpart B) for combination products (see
https://www.fda.gov/CombinationProducts/GuidanceRegulatoryInformation/ucm597488.htm); good manufacturing practice requirements as set forth in the quality systems (OS) regulation (21 CFR Part 820) for devices or current good manufacturing practices (21 CFR 4, Subpart A) for combination products; and, if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to http://www.fda.gov/MedicalDevices/Safety/ReportaProblem/default.htm.
For comprehensive regulatory information about medical devices and radiation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/MedicalDevices/DeviceRegulationandGuidance/) and CDRH Learn (http://www.fda.gov/Training/CDRHLearn). Additionally, you may contact the Division of Industry and Consumer Education (DICE) to ask a question about a specific regulatory topic. See the DICE website (http://www.fda.gov/DICE) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely yours,
# Bradley S. Cunningham -A
for Malvina B. Eydelman, M.D. Director Division of Ophthalmic and Ear, Nose and Throat Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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## Indications for Use
510(k) Number (if known) K181771
Device Name RightEye Vision System
Indications for Use (Describe)
The RightEye Vision System is intended for recording, viewing, and analyzing eye movements in support of identifying visual tracking impairment in human subjects.
| Type of Use (Select one or both, as applicable) |
|-------------------------------------------------|
|-------------------------------------------------|
X Prescription Use (Part 21 CFR 801 Subpart D)
| Over-The-Counter Use (21 CFR 801 Subpart C)
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#### 5.0 510(K) SUMMARY
| | Prepared Date: | September 27, 2018 |
|--|----------------|--------------------|
|--|----------------|--------------------|
#### Submitter Information:
| Company: | RightEye, LLC<br>7979 Old Georgetown Rd., Suite 80<br>Bethesda, MD 20814 |
|---------------------|--------------------------------------------------------------------------|
| Contact Person: | Adam Gross<br>CEO<br>Tel: (301) 979-7970 |
| Device Information: | |
| Trade Name: | RightEye Vision System |
| Common Name: | Nystagmograph |
Classification Name: 21 CFR 882.1460
Device Class: Class II
Product Code: GWN
Predicate Device: EYE-SYNC (K152915)
SyncThink, Inc.
#### Device Description:
RightEye Vision System detects involuntary eye movement behavior for the purpose of visual tracking. The RightEye Vision System is designed to provide accurate and reliable information for users to supplement and inform clinical decision-making. RightEye Vision System provides objective metrics acquired from eve movements measured and recorded by a hardware eye tracker that are not observable in clinical observation. Results of each RightEye Vision System assessment are transferred and stored remotely on a web server. All personal health information data are encrypted with HTTPS (HTTP Secure) protocol. The remote web server software calculates metrics from the assessment data and provides quantitative outputs and supporting graphics. The software can track the results over time showing changes in metrics, trendlines, graphs, visuals, and qaze replay. The user accesses these results by logging into the RightEye web portal.
The RightEye Vision System is designed to run on Windows 10 operating systems and the web portal has been optimized for Chrome. RightEye Vision System is programmed to run on a specific hardware setup, the Tobii Dynavox i15. It is deployed as a pre-loaded system on hardware provided and managed by RightEye.
#### Indications for Use:
The RightEye Vision System is intended for recording, viewinq, and analyzing eye movements in support of identifying visual tracking impairment in human subjects.
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#### Comparison to Predicate Device:
The predicate device is the EYE-SYNC (K152915), which is manufactured by SyncThink, Inc. and is intended for recording, viewing, and analyzing eye movements in support of identifying visual tracking impairment in human subjects.
The RightEve Vision System is substantially equivalent to EYE-SYNC (manufactured by SyncThink, Inc.; K152915). The RightEye Vision System and the EYE-SYNC share the same intended use as a Nystagmograph. The products are also similar in terms of technological characteristics as both electronically record objective measurements of eye movement. Neither device provides a diagnosis or any diagnostic recommendations. Both devices are used by physicians or clinicians. Differences in the design and performance of the RightEye Vision System from EYE-SYNC do not affect either the safety or effectiveness of the RightEye Vision System for its intended use.
| | SUBJECT DEVICE:<br>RightEye Vision System<br>RightEye, LLC | PREDICATE DEVICE:<br>EYE-SYNC (K152915)<br>SyncThink, Inc. |
|------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Classification<br>Name | Nystagmograph | Nystagmograph |
| Device Class | Class II | Class II |
| Product Code | GWN (21 CFR 882.1460) | GWN (21 CFR 882.1460) |
| Intended Use | Nystagmograph | Nystagmograph |
| Indication for<br>Use | Recording, viewing, and analyzing eye<br>movements in support of identifying visual<br>tracking impairment in human subjects. | Recording, viewing, and analyzing eye<br>movements in support of identifying visual<br>tracking impairment in human subjects. |
| Device<br>Technology | Eye-tracking system with pre-loaded<br>software on manufacturer-provided<br>hardware. | Eye-tracking system with pre-loaded<br>software on manufacturer-provided<br>hardware. |
| Eye tracking<br>method | Includes a remote camera and light<br>source for recording eye movement.<br>Stimuli are presented to the user via a<br>monitor as the projection surface to elicit<br>involuntary eye movements. The function<br>and intent are identical. | Includes a remote camera and light source<br>for recording eye movement. Stimuli are<br>presented to the user via a monitor as the<br>projection surface to elicit involuntary eye<br>movements. The function and intent are<br>identical. |
| Software | Has software which records the eye<br>tracking methods for patient's eye<br>movements (fixation, pursuit and<br>saccade) while he/she follows the<br>stimulus. This software function is<br>performed to support the recording,<br>viewing and analyzing of horizontal and<br>vertical eye movements. The software<br>uses proprietary algorithms to perform the<br>analysis for the reporting of involuntary<br>and voluntary eye movements but the<br>function and intent are identical. | Has software which records the eye<br>tracking methods for patient's eye<br>movements (fixation, pursuit and saccade)<br>while he/she follows the stimulus. This<br>software function is performed to support<br>the recording, viewing and analyzing of<br>horizontal and vertical eye<br>movements. The software uses<br>proprietary algorithms to perform the<br>analysis for the reporting of involuntary<br>and voluntary eye movements but the<br>function and intent are identical. |
| Hardware | Uses an all-in-one device that contains a<br>computer to record the eye movements. | Uses a tablet to record the eye<br>movements. |
| User Data &<br>Reports | Uploads user data and reports to a secure<br>web portal. | Uploads user data and reports to a secure<br>web portal. |
### Supporting Information:
Software testing was conducted in accordance with FDA's May 2005 guidance document entitled, "Guidance for Industry and FDA Staff. Guidance for the Content of Premarket Submissions for Software Contained in Medical Devices." The software for this device was considered as a "moderate" level of concern, since a failure or latent flaw in the software could lead to an erroneous diagnosis or a delay in delivery of appropriate medical care that would likely lead to a minor injury. Software validation and verification demonstrate that the RightEye Vision System performs as intended and meets its specifications.
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Validation testing, including test-retest reliability and accuracy, has confirmed the performance of the RightEye Vision System for its intended use.
#### Conclusion:
The RightEye Vision System falls within the type of device requlated under 21 CFR 882.1460 and Product Code GWN and has the same intended use as its predicate device. Differences in the design and performance of the RightEye Vision System from the predicate device do not affect either the safety or effectiveness of the RightEye Vision System for its intended use. Therefore, the RightEye Vision System is substantially equivalent to the predicate device.
Two short videos show you everything — or skip straight to the written tutorial if you'd rather read. You can reopen this any time from the Tutorial button in the top bar.
Part 1 — Search, results, and everyday workflows 16 min
Part 2 — Embeddings: the galaxy map 3 min
1. Search: exact and fuzzy
Type a phrase like "coronary artery calcification" into the search box. You get two kinds of results. Exact results match the literal phrase — prefix searches work ("coronary artery calcificati") but suffix searches do not. Fuzzy results match on the meaning and intent of your phrase rather than the exact words, and are sorted by relevance score. Hover over the Exact or Fuzzy badge on any row to see exactly why it matched.
Use the checkboxes above the results to narrow: SaMD keeps only software-only devices, AI / ML keeps only devices with AI.
Exact vs. fuzzy search: what's the difference?
Exact matches on the literal phrase (prefix search works, suffix does not). Fuzzy matches on the meaning and intent of the phrase rather than the exact words. Hover over the badge on any row to see why it matched.
You search "coronary artery calcification" and want only software devices with AI. What two filters do you apply?
Narrow by SaMD (software-only devices), then narrow by AI/ML (devices with AI).
2. The results table
Scroll right in the results table. The intended use is extracted for you — no need to open the PDF. The device story gives a high-level snapshot of what the device does and how it's used. The AI Performance sub-table shows each output name, acceptance criteria, observed values, and development/test dataset descriptions — the same format Innolitics uses for regulatory strategy outputs, and the fastest high-level fingerprint of an AI device. It is AI-generated but has been very reliable in practice.
Where do you find a device's intended use without opening the PDF?
Scroll right in the search results table. The intended use column is extracted for you; no need to dig into the 510(k) summary PDF.
What does the AI Performance sub-table show, and why is it useful?
Output name, acceptance criteria, observed values, development dataset description, and test dataset description. It's the same format we use for regulatory strategy output and Fast 510(k) input, and the fastest high-level fingerprint of an AI device. AI-generated but reliable in practice.
3. Judging fuzzy relevance
Fuzzy results trail off in relevance as you scroll. Use three signals to decide how far down to go: the fuzzy badge explanations, the intended use column, and whether your target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, you're past the relevant zone. A top hit with a low score (~0.4) and a stretched explanation is a hint the closest predicates are far away — the project may be headed for De Novo. Note the fuzzy search is a pattern match: it doesn't handle negation ("not") well, and hardware devices can appear — filter by SaMD/AI ML to cut them.
How do you judge how far down fuzzy search results to go?
Use the relevancy signals: the fuzzy badge explanations, the intended use column, and whether the target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, results are trailing off in relevancy.
4. Device detail page: chat and citations
Click a device name to open its detail page: device facts on the left, a chat window on the right. Ask something like "Describe the training data". The answer carries little citation bubbles — click one to jump to the highlighted passage in the source PDF, so you can verify every AI answer against the document. There's also a Download PDF button for sharing.
How do you verify an AI chat answer on the device detail page?
Click the citation bubbles to jump to the relevant highlight in the source document.
Reading rule for every project: how many summaries do you read in full?
At least the three most relevant 510(k) or De Novo summaries, in full. After that, use targeted chat questions to confirm your memory quickly. The tool supports this professional habit — it doesn't replace it.
5. Side-by-side comparison
Select multiple rows in the results table (aim for under ~10), then open the PDF Viewer tab. Ask one question — it goes to all selected devices in parallel, each with citations. This is the fastest way to compare and contrast devices: training data, PCCP scope, how they handled adding new scanners, and so on.
What does the side-by-side PDF viewer mode do?
Select multiple devices, open the PDF viewer tab, and ask one question (e.g., "Describe the training data"). It queries all selected devices simultaneously with citations, so you can compare and contrast quickly.
6. Collections
With rows selected, go to the Collections tab and create a labeled collection (e.g., "Cobb Angle Project"). Reload that selection any time — before a client call, pull up the collection and ask questions across all of its devices at once.
How do you save a set of selected devices for later use?
Select the rows, go to the Collections tab, and create a labeled collection (e.g., "Cobb Angle Project"). You can reload the selection anytime and carry it into the PDF viewer and other tabs that support selections.
7. Product codes and the regulations tree
Click a product code in the results to jump to it in the regulations tree — identification text, sibling product codes, and devices you can open in a PDF viewer on the right. Click a regulation number to see its identification, special controls, and related product codes. You can also search by product code or regulation number at the top of the tree. Always read the special controls if any exist for your device — it broadens your search and sharpens pre-kickoff research.
What can you do from the regulations tree view?
Browse product codes and regulation numbers, read the identification text and special controls, browse sibling product codes, open device PDFs on the right, and search by product code or regulation number at the top of the tree.
8. Chart view
Click Show Chart and segment by regulation number (or product code) to see which regulations dominate your result set. Clicking a regulation takes you into the regulations tree. Great for spotting that most matches are, say, hardware laparoscopic devices — a cue to go back and filter.
How do you see which regulations dominate a search result set?
Click "Show Chart" and segment by Regulation Number. Clicking a regulation takes you to the regulations tree.
9. The predicate graph
Open the Predicates tab for a family-tree view of predicate relationships. Click a node to trace its parents and children; selections from search carry over pre-selected. Commonly predicated devices are worth reading — a lot of people predicated them for a reason. The visual lineage is also handy on client calls, e.g. to show how a predicate family evolved and justify why your predicate still holds.
In the predicate graph, why are commonly predicated devices worth reading?
A lot of people predicated them for a reason. Clicking a node traces parents and children, and selections from search carry over pre-selected.
10. Embeddings: the galaxy map
The Embeddings tab plots every matching document in a 2-D "galaxy map" where semantically similar devices cluster together. Hover or click clusters to explore, and let AI label the clusters for you. Embeddings beat product codes for grouping: two devices can carry different product codes (LLZ vs. QIH) yet do the same thing — the embedding captures the meaning of the intended use and device story. This is also exactly how retrieval-augmented generation (RAG) works under the hood, and it makes a great visual on client calls.
Try it yourself
Head to the search page and work through a few of these AI/ML fuzzy searches to build intuition: perivascular fat on CT · aortic valve calcification opportunistic screening on noncontrast CT · breast cancer prediction on digital pathology slides · autism detection · gestational age prediction · a hearing aid that can also detect a pulse · foundation model based analysis of ECG · large language models · penetration test. Watch how the relevance scores, intended use, and AI Performance tables tell you when results stop being meaningful.