# K030393: Optical Low Coherence Reflectometry (Olcr) Pachymeter

- Pathway: 510(k) (Traditional)
- Applicant: Haag-Streit Holding AG
- Decided: Sep 25, 2003 after 232 days
- Product code: MXK (Device, Analysis, Anterior Segment)
- Device class: 2
- Regulation: 21 CFR 886.1850
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 3 generations back to K955442 (1996). 10 ancestors in all.
16 later devices descend from it; 2 cite it directly.
0 of 27 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K993357: Iolmaster, Carl Zeiss, Inc. (2000) Summary page 2.
- K012873: Documenting Laser Slit Lamp, DP 2010, Bausch & Lomb, Inc. (2001)

## Most influential descendants
- K082891: Lenstar, Model LS900 (2009), 14 descendants of its own
- K101182: Iolmaster 500 (2010), 10 descendants of its own
- K122418: Iolmaster 500 (2013), 9 descendants of its own
- K143275: IOLMaster700 (2015), 4 descendants of its own
- K170171: IOLMaster 700 (2017), 3 descendants of its own

## Indications for use
The OLCR Pachymeter Pachy-01 SL is a device used with slit-lamp systems to measure corneal thickness. The OLCR Pachy-01 SL includes the functional capability to perform calculations of residual stroma thickness and correction to intraocular pressure values from user input.

Source page: https://510kreport.com/device/K030393
Methodology: https://510kreport.com/methodology