Why eye protection belongs in a contamination-control conversation
In controlled environments, personnel are a primary contamination source, and the most common controllable failure mode is preventable contact: face touching, eyewear adjustment, and repeated handling of personal protective equipment.
Standardizing eyewear selection and the donning method reduces “micro-adjustment” behavior that can increase particle transfer risk.
What this product is (manufacturer documented)
Manufacturer code 28635 is listed as V30 Nemesis* Polarized Safety Eyewear with a smoke polarized lens and gun metal frame.
The manufacturer sheet lists 12% VLT, ANSI Z87.1:2010, base curve 8, and impact resistant protection.
Materials are listed as polycarbonate lens, nylon frame and temple, and an Empilon nosepiece, with ratcheted temples.
Specifications in context
| Attribute |
28635 |
| Lens / frame |
Smoke (polarized) / Gun Metal |
| VLT |
12% |
| Standard |
ANSI Z87.1:2010 |
| Base curve |
8 |
| Protection |
Impact resistant |
| Materials |
Polycarbonate lens; Nylon frame/temple; Empilon nosepiece |
| UV protection |
99.9% UVA/UVB/UVC |
| Packaging |
12 pair/box; 12 boxes/case |
| Storage |
Cool, clean, dry space away from direct sunlight |
ISO-first: gowning discipline and “touch control”
ISO cleanroom operations guidance frames cleanroom performance as an operations control programme that includes management of personnel and a gowning programme.
For eyewear, practical contamination control means designing out avoidable contact events: reduce fogging/fit issues, define when eyewear is donned, and enforce clean storage and segregation.
Donning technique (template — align to your SOP)
- Wash/sanitize hands, then handle by temples only: avoid lens and inner contact areas.
- Don at the SOP-defined step: eyewear should not compromise hood/mask seal or prompt frequent adjustment.
- Adjust once outside critical areas: set ratcheted temples for a stable fit before entering higher-grade zones.
- Segregate storage by area: “cleanroom-introduced” eyewear should not become “plant-floor eyewear.”
- Clean only with approved materials: qualify wipes/solutions for optics and coatings before adoption.
Annex 1 (EU): personnel technique as a critical control
EU GMP Annex 1 treats personnel as a major contamination risk driver in sterile manufacture and ties contamination prevention to training, behavior, and gowning discipline.
Many organizations adopt Annex 1 principles as a benchmark to strengthen contamination control strategy even beyond sterile drug manufacture, using a risk-based approach.
Common failure modes (and preventions)
- Fog/fit causes frequent adjustment: standardize selection, donning step, and approved cleaning/anti-fog approach (site-qualified).
- Cross-area contamination: segregate and store eyewear to prevent reintroduction from uncontrolled surfaces.
- Improvised cleaners haze lenses: use only approved methods consistent with your quality system.
- Sun/heat storage damage: follow manufacturer storage guidance away from direct sunlight.
Supply continuity: Ansell + SOSCleanroom
KleenGuard™ is now within the Ansell portfolio. SOSCleanroom supports customers moving forward with a continuity-first approach:
stable product identification, predictable replenishment, and manufacturer-backed documentation support for EHS and quality review.
SOSCleanroom note about SOPs
The Technical Vault is written to help customers make informed contamination-control decisions and improve day-to-day handling technique.
It is not your facility’s Standard Operating Procedure (SOP), batch record, or validation protocol.
Customers are responsible for establishing, training, and enforcing SOPs that fit their specific risks, cleanroom classification, and regulatory obligations.
Always confirm and document cleaning methods, storage controls, and acceptance criteria in your internal quality system.
Use these best-practice suggestions to strengthen your SOPs—not to replace them.
Source basis (manufacturer-first)
- Manufacturer product information sheet (V30 Nemesis* Polarized Safety Eyewear; Codes 28635/28637; Rev May 2013): https://exdron.com/Exdron-Pdf/kimberly-clark-28637-datasheet.pdf
- SOSCleanroom product page (this SKU): https://www.soscleanroom.com/product/apparel/kleenguard-nemesis-polarized-safety-glasses-polarized-smoke-case-12/
- ISO 14644-5:2025 (operations control programme includes personnel management and gowning programme): https://www.iso.org/standard/88599.html
- EU GMP Annex 1 (sterile manufacture; personnel/gowning behavior context): https://health.ec.europa.eu/system/files/2022-08/20220825_gmp-an1_en_0.pdf
- Ansell press release (KCPPE acquisition; brand continuity context): https://www.ansell.com/us/en/press-releases/ansell-completes-acquisition-of-kcppe-business
SOSCleanroom is the source for this Technical Vault entry.
Briefed and approved by the SOSCleanroom (SOS) staff.
If you have any questions please email us at Sales@SOSsupply.com
Last reviewed: Jan. 14, 2026
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