---
title: What does Within Baseline Range mean?
description: Within Baseline Range means OPTOVERA detected no significant change in pupil response compared with the User baseline at the time of the Scan.
---

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# What does Within Baseline Range mean?

## No significant pupillary-response alteration was detected relative to the individual baseline.

A Within Baseline Range result means that no significant alteration in the User’s pupillary response was detected at the time of the Scan.

This means the User’s PLR measurement was within the expected range when compared with the User’s individual baseline.

A Within Baseline Range result does not certify that the User is safe, fit for duty, free from fatigue, or free from every source of operational risk. It means that, based on the OPTOVERA Scan, no response alteration was detected that would produce an Alteration Detected result.

The result should be interpreted within the organization’s normal safety process and in combination with any other applicable workplace procedures.

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