# Lens, Spectacle (Prescription), For Reading Discomfort
> **Product code: NJH** · Class I — Low Risk (general controls) · Ophthalmic · 21 CFR 886.5844
## Classification
- **FDA Product Code:** NJH
- **Device class:** Class I — Low Risk (general controls)
- **Regulation:** 21 CFR 886.5844
- **Review panel:** OP
- **Medical specialty:** Ophthalmic
- **Submission type:** 4
- **GMP exempt:** N
- **Life sustaining:** N
- **Implant:** N
- **Third-party review:** N
## Definition

Colored spectacle lenses may also be prescribed as a colored filter to aid individuals who experience reading discomfort not related to binocular vision problems or uncorrected refractive error.

## Market data
- **Cleared 510(k) submissions:** 2
- **Registered establishments:** 240
## Source
- [FDA Device Classification](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpcd/classification.cfm?ID=NJH)
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