# K992835: C.S.O. Tonometer

- Pathway: 510(k) (Traditional)
- Applicant: Cso
- Decided: Jun 6, 2000 after 288 days
- Product code: HKY (Tonometer, Manual)
- Device class: 2
- Regulation: 21 CFR 886.1930
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
No later device cites it as a predicate yet.
0 of 1 device in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA’s file for it is a 510(k) statement, which names no predicate.

## Indications for use
A manual device intended to measure intraocular pressure by applanation (applying a small flat disk to the cornea).

Source page: https://510kreport.com/device/K992835
Methodology: https://510kreport.com/methodology