Reported Reactions

Devices › Lens, guide, intraocular

Device brand name · Intraocular lens guide

Microstaar Injector: medical device reports filed with FDA

934 reports name it, 2004–2024. Manufacturer given most often on reports: Staar Surgical. Product code KYB.

934
device reports naming the brand
0% of all MAUDE reports · about 42 a year
0
reports, 12 months to August 2026
0 in the 12 months before
79.7%
classified as malfunction
81.5% across the product code
0%
classified as death, as reported
0 reports · not verified by FDA

FDA's MAUDE database holds 934 reports that name the brand "Microstaar Injector" (intraocular lens guide), received between April 2004 and April 2024; the manufacturer given most often on reports is Staar Surgical. Spellings of one product vary from report to report.

0 reports arrived in the 12 months to August 2026, and none 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 (79.7%), injury (20%) and other (0.3%); 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 lens damaged in delivery system (32.1%), lens (iol), torn, split, cracked (29.7%) and haptic damaged in delivery system (18.4%). The patient problems coded most often are surgical incision, enlargement of, surgical procedure and no patient involvement. 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

023Sep 2021: 1Oct 2021: 1Nov 2021: 0Dec 2021: 12022Jan 2022: 0Feb 2022: 1Mar 2022: 0Apr 2022: 0May 2022: 1Jun 2022: 0Jul 2022: 3Aug 2022: 0Sep 2022: 0Oct 2022: 0Nov 2022: 1Dec 2022: 02023Jan 2023: 0Feb 2023: 0Mar 2023: 0Apr 2023: 0May 2023: 0Jun 2023: 0Jul 2023: 0Aug 2023: 1Sep 2023: 0Oct 2023: 2Nov 2023: 3Dec 2023: 22024Jan 2024: 0Feb 2024: 2Mar 2024: 0Apr 2024: 2May 2024: 0Jun 2024: 0Jul 2024: 0Aug 2024: 0Sep 2024: 0Oct 2024: 0Nov 2024: 0Dec 2024: 02025Jan 2025: 0Feb 2025: 0Mar 2025: 0Apr 2025: 0May 2025: 0Jun 2025: 0Jul 2025: 0Aug 2025: 0Sep 2025: 0Oct 2025: 0Nov 2025: 0Dec 2025: 02026Jan 2026: 0Feb 2026: 0Mar 2026: 0Apr 2026: 0May 2026: 0Jun 2026: 0Jul 2026: 0Aug 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

01593182004: 620042005: 212006: 16420062007: 3182008: 13220082009: 442010: 4220102011: 242012: 3020122013: 322014: 3420142015: 382016: 1720162018: 32019: 720192021: 42022: 620222023: 82024: 42024

Event type and report source

Event type, as classified on the report

Death0%0
Injury20%187
Malfunction79.7%744
Other0.3%3
Not given0%0

Who filed the report

Manufacturer report99.9%933
Voluntary report0.1%1
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
Lens damaged in delivery system30032.1%3.6%
Lens (iol), torn, split, cracked27729.7%4.9%
Haptic damaged in delivery system17218.4%2.9%
Other (for use when an appropriate device code cannot be identified)9510.2%3.3%
Lens replacement596.3%1.8%
Replace596.3%1.4%
Torn material505.4%0.8%
Haptic(s), broken454.8%1.2%
Plunger override444.7%0.6%
Implant, removal of424.5%0.9%
Delivery system failure374%0.4%
Difficult to insertthe device was hard to insert303.2%3.1%
Device, removal of (non-implant)272.9%0.8%
Tears, rips, holes in device, device material232.5%2.1%
Device damaged by another device222.4%7%
Lens stuck in delivery system212.2%0.3%
Explanted202.1%1.5%
Haptic(s), bent151.6%1.3%
Breakthe device broke111.2%6.6%
Sticking101.1%16.9%

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
Surgical incision, enlargement of14515.5%
Surgical procedure11612.4%
No patient involvement414.4%
Therapy/non-surgical treatment, additional151.6%
Capsular bag tear121.3%
Surgical procedure, additional121.3%
Foreign body, removal of111.2%
Vitrectomy101.1%
Corneal edema70.7%
Surgical procedure, repeated70.7%
Lens, replacement of60.6%
Membrane, breakage of60.6%
Other (for use when an appropriate patient code cannot be identified)60.6%
Vitreous loss30.3%
Decreased bcva (best corrected visual acuity)20.2%

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

In context

MeasureMicrostaar InjectorProduct code KYBAll MAUDE reports
Reports9348,70426,136,888
Share of that pool—10.7%0%
Classified as death, per 1,000 reports009
Classified as injury20%18.1%36.2%
Classified as malfunction79.7%81.5%62.3%
Filed by the manufacturer99.9%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%
Platinum 1 Series54000%
AcrySof IQ Aspheric UV Absorbing IOLwith UltraSert Delivery System8501740%
Microstaar Injector Cartridge62200%
Monarch Delivery System27000%
Emerald294100%
Monarch Iol Delivery System21400%
MONARCH IOL Delivery System, Injector, Unspecified173500%
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 Microstaar Injector reports

How many FDA reports name Microstaar Injector?

934 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 0 in the latest 12 months.

What kinds of events are reported?

malfunction (79.7%), injury (20%) and other (0.3%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

lens damaged in delivery system (32.1%), lens (iol), torn, split, cracked (29.7%), haptic damaged in delivery system (18.4%), other (for use when an appropriate device code cannot be identified) (10.2%) and lens replacement (6.3%). These are FDA's device problem codes as entered on the report.

Who files these reports?

manufacturer reports (99.9%) and voluntary reports (0.1%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.

Do these reports show that Microstaar Injector 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.