Reported Reactions

Devices › Lens, guide, intraocular

Device brand name · Lens guide intraocular

MONARCH IOL Delivery System, Injector, Unspecified: medical device reports filed with FDA

173 reports name it, 2018–2026. Manufacturer given most often on reports: Alcon Research - Alcon Precision Device. Product code KYB.

173
device reports naming the brand
0% of all MAUDE reports · about 20 a year
50
reports, 12 months to August 2026
20 in the 12 months before
97.1%
classified as malfunction
81.5% across the product code
0%
classified as death, as reported
0 reports · not verified by FDA

173 medical device reports received by FDA name the brand "MONARCH IOL Delivery System, Injector, Unspecified" (lens guide intraocular); the manufacturer given most often on reports is Alcon Research - Alcon Precision Device; received from January 2018 to July 2026. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.

50 reports arrived in the 12 months to August 2026, up 150% from 20 in the 12 months before. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases. The event types recorded are malfunction (97.1%) and injury (2.9%); across all lens, guide, intraocular reports (product code KYB) death is recorded in 0% and malfunction in 81.5%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are device damaged by another device (52.6%), material twisted/bent (13.9%) and failure to eject (7.5%). The patient problems coded most often are corneal edema, appropriate clinical signs, symptoms and conditions term/code not available and eye injury. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Reports by month, five years

047Sep 2021: 1Oct 2021: 0Nov 2021: 0Dec 2021: 12022Jan 2022: 0Feb 2022: 1Mar 2022: 2Apr 2022: 1May 2022: 2Jun 2022: 0Jul 2022: 1Aug 2022: 1Sep 2022: 2Oct 2022: 1Nov 2022: 1Dec 2022: 12023Jan 2023: 2Feb 2023: 0Mar 2023: 3Apr 2023: 3May 2023: 5Jun 2023: 2Jul 2023: 4Aug 2023: 0Sep 2023: 0Oct 2023: 1Nov 2023: 0Dec 2023: 22024Jan 2024: 1Feb 2024: 3Mar 2024: 2Apr 2024: 7May 2024: 3Jun 2024: 1Jul 2024: 0Aug 2024: 0Sep 2024: 0Oct 2024: 1Nov 2024: 5Dec 2024: 22025Jan 2025: 0Feb 2025: 2Mar 2025: 5Apr 2025: 2May 2025: 0Jun 2025: 1Jul 2025: 0Aug 2025: 2Sep 2025: 2Oct 2025: 5Nov 2025: 1Dec 2025: 42026Jan 2026: 4Feb 2026: 3Mar 2026: 5Apr 2026: 7May 2026: 7Jun 2026: 6Jul 2026: 6Aug 2026: 0

Reports by the month FDA received them. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases.

By year received

019382018: 1820182019: 1220192020: 820202021: 1320212022: 1320222023: 2220232024: 2520242025: 2420252026: 382026

Event type and report source

Event type, as classified on the report

Death0%0
Injury2.9%5
Malfunction97.1%168
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%173
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 8,704 reports carrying product code KYB. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Device damaged by another device9152.6%7%
Material twisted/bent2413.9%2.4%
Failure to eject137.5%3.7%
Scratched material116.4%3%
Breakthe device broke105.8%6.6%
Difficult to advance84.6%1.1%
Defective devicethe device was defective74%3%
Inaccurate delivery74%1.1%
Crackthe device cracked31.7%5.2%
Material split, cut or torn31.7%1%
Device operates differently than expectedthe device behaved unexpectedly21.2%1%
Failure to advance21.2%3.3%
Failure to deliverthe device did not deliver the dose or item21.2%2.1%
Physical resistance/sticking21.2%1.4%
Product quality problem21.2%0.1%
Unintended movement21.2%0.2%
Defective component10.6%2%
Device damaged prior to usethe device was damaged before use10.6%7.6%
Device displays incorrect message10.6%0%
Device markings/labelling problema problem with the device markings or label10.6%0.1%

FDA's device problem codes as entered on the report; one report can carry several. Generic codes such as "no apparent adverse event" are left out.

Patient problems coded

Patient problem (FDA code)ReportsShare
Corneal edema31.7%
Appropriate clinical signs, symptoms and conditions term/code not available21.2%
Eye injury21.2%
Prolapse21.2%
Blurred vision10.6%
Corneal endothelial cell loss10.6%
Discomfortdiscomfort10.6%
Inflammationinflammation10.6%
Intraocular pressure increasedraised pressure in the eye10.6%
No patient involvement10.6%
Toxic anterior segment syndrome (tass)10.6%
Visual impairmentreduced vision10.6%

Patient problem codes are present mainly in reports filed since 2019 and are often blank.

In context

MeasureMONARCH IOL Delivery System, Injector, UnspecifiedProduct code KYBAll MAUDE reports
Reports1738,70426,136,888
Share of that pool—2%0%
Classified as death, per 1,000 reports009
Classified as injury2.9%18.1%36.2%
Classified as malfunction97.1%81.5%62.3%
Filed by the manufacturer100%99.1%94.9%

Shares are of reports, not of devices in use. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Other brands with product code KYB

BrandReportsLatest 12 monthsClassified as death
Monarch Iol Delivery System - Cartridge1,44900%
AcrySof IQ Singlepiece IOL with ULTRASERT Delivery System1,8782440%
Microstaar Injector93400%
Platinum 1 Series54000%
AcrySof IQ Aspheric UV Absorbing IOLwith UltraSert Delivery System8501740%
Microstaar Injector Cartridge62200%
Monarch Delivery System27000%
Emerald294100%
Monarch Iol Delivery System21400%
Easy Load Inserter60000%
Monarch Iol Delivery System-Cartridge15200%
Acrysof Iq Singlepiece Iol W/Ultrasert Delivery System15000%
MONARCH IOL Delivery System, Cartridge220260%
Microstaar Foam Tip Plunger25100%
Alcon18020%

Ordered by report count for navigation only. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA also states that "common products may have a higher number of adverse events due to the higher total number of people using the product."

Questions about MONARCH IOL Delivery System, Injector, Unspecified reports

How many FDA reports name MONARCH IOL Delivery System, Injector, Unspecified?

173 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 50 in the latest 12 months.

What kinds of events are reported?

malfunction (97.1%) and injury (2.9%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

device damaged by another device (52.6%), material twisted/bent (13.9%), failure to eject (7.5%), scratched material (6.4%) and break (5.8%). These are FDA's device problem codes as entered on the report.

Who files these reports?

manufacturer reports (100%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.

Do these reports show that MONARCH IOL Delivery System, Injector, Unspecified was at fault?

No. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA adds that "a causal relationship cannot be established between product and reactions listed in a report."

How do I report a problem with a medical device?

Through FDA MedWatch (Form FDA 3500 for health professionals and consumers), or to the manufacturer. See the guide on how to report.

Where this comes from. Counts are built from the openFDA Device Adverse Event (MAUDE) bulk export released 28 Sep 2026, which holds reports FDA received through 31 Aug 2026. Brand, generic and manufacturer names are as written on the reports; product code names come from FDA's device classification. A report counts here when any device it lists carries this brand name after punctuation and capitalisation are normalised. No report narrative, lot number, patient detail or reporter identity is published. See the methodology and sources; FDA's record is authoritative, and corrections are handled within five working days.

Drug data (FAERS) through 30 Jun 2026; device data (MAUDE) through 31 Aug 2026. Not medical advice.