Reported Reactions

Devices › Folders and injectors, intraocular lens (iol)

Device brand name · Intraocular lens folders and injectors

Microstaar Foam Tip Plunger: medical device reports filed with FDA

251 reports name it, 2005–2011. Manufacturer given most often on reports: Staar Surgical. Product code MSS.

251
device reports naming the brand
0% of all MAUDE reports · about 12 a year
0
reports, 12 months to August 2026
0 in the 12 months before
68.5%
classified as malfunction
61.8% across the product code
0%
classified as death, as reported
0 reports · not verified by FDA

251 medical device reports received by FDA name the brand "Microstaar Foam Tip Plunger" (intraocular lens folders and injectors); the manufacturer given most often on reports is Staar Surgical; received from November 2005 to November 2011. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.

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 (68.5%), injury (30.7%) and other (0.8%); across all folders and injectors, intraocular lens (iol) reports (product code MSS) death is recorded in 0% and malfunction in 61.8%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are plunger override (41%), lens (iol), torn, split, cracked (31.1%) and other (for use when an appropriate device code cannot be identified) (15.5%). The patient problems coded most often are surgical incision, enlargement of, surgical procedure and corneal edema. 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

No report naming Microstaar Foam Tip Plunger was received in the five years to August 2026; the latest was received in November 2011.

By year received

0501002005: 520052006: 6120062007: 10020072008: 5620082009: 1720092010: 520102011: 72011

Event type and report source

Event type, as classified on the report

Death0%0
Injury30.7%77
Malfunction68.5%172
Other0.8%2
Not given0%0

Who filed the report

Manufacturer report100%251
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 5,365 reports carrying product code MSS. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Plunger override10341%2%
Lens (iol), torn, split, cracked7831.1%3.2%
Other (for use when an appropriate device code cannot be identified)3915.5%3%
Lens damaged in delivery system3614.3%2.9%
Haptic damaged in delivery system3413.5%2.3%
Replace187.2%1.3%
Haptic(s), broken145.6%1.6%
Lens replacement114.4%2.9%
Implant, removal of104%1.1%
Difficult to insertthe device was hard to insert93.6%1.5%
Tears, rips, holes in device, device material83.2%0.2%
Explanted62.4%0.7%
Device, removal of (non-implant)52%1%
Sticking41.6%0.5%
Haptic(s), bent31.2%4.3%
Lens, stuck in cartridge31.2%0.4%
Tip breakage31.2%0%
Breakthe device broke20.8%4.2%
Lens stuck in delivery system20.8%0.6%
Lens (iol), scratch, mark on10.4%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
Surgical incision, enlargement of6224.7%
Surgical procedure5321.1%
Corneal edema62.4%
No patient involvement62.4%
Surgical procedure, additional62.4%
Capsular bag tear41.6%
Membrane, breakage of41.6%
Foreign body, removal of31.2%
Vitrectomy31.2%
Vitreous loss31.2%
Therapy/non-surgical treatment, additional20.8%
Blurred vision10.4%
Lens, replacement of10.4%

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

In context

MeasureMicrostaar Foam Tip PlungerProduct code MSSAll MAUDE reports
Reports2515,36526,136,888
Share of that pool—4.7%0%
Classified as death, per 1,000 reports009
Classified as injury30.7%37.8%36.2%
Classified as malfunction68.5%61.8%62.3%
Filed by the manufacturer100%98.9%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 MSS

BrandReportsLatest 12 monthsClassified as death
Easy Load Inserter60000%
Microstaar Injector93400%
Ez-28 Delivery System19700%
MONARCH IOL Delivery System, Cartridge220260%
Microstaar Injector Cartridge62200%
Crystalens Accommodating Iol70100%
Soflex Silicone Square Edge Foldable Lens35300%

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 Foam Tip Plunger reports

How many FDA reports name Microstaar Foam Tip Plunger?

251 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 (68.5%), injury (30.7%) and other (0.8%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

plunger override (41%), lens (iol), torn, split, cracked (31.1%), other (for use when an appropriate device code cannot be identified) (15.5%), lens damaged in delivery system (14.3%) and haptic damaged in delivery system (13.5%). 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 Microstaar Foam Tip Plunger 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.