---
title: Could I use the CI-203 to identify diseased or eaten portions of leaves?
description: Could I use the CI-203 to identify diseased or eaten portions of leaves?
---

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1. [CID Knowledge Base](https://knowledgebase.cid-inc.com/?hsLang=en)
2. [Leaf Analysis CI-202/203/710s](https://knowledgebase.cid-inc.com/leaf-analysis-ci-202-203-710s?hsLang=en)
3. [CI-203 Handheld Laser Leaf Area Meter](https://knowledgebase.cid-inc.com/leaf-analysis-ci-202-203-710s?hsLang=en#ci-203-handheld-laser-leaf-area-meter)

# Could I use the CI-203 to identify diseased or eaten portions of leaves?

The CI-203 does not take a picture of the leaf. The unit works using a laser light. The leaf image that is displayed on the instrument after taking a measurement is only the outline of the leaf and the entire leaf is gray. You can see larger holes in the leaf through the “voids” feature, which records the number of holes and will show these holes in the post-measurement leaf image on the display.

- [Root Analysis](https://knowledgebase.cid-inc.com/root-analysis?hsLang=en#main-content)

    - [CI-602 Narrow Gauge Root Imager](https://knowledgebase.cid-inc.com/root-analysis?hsLang=en#ci-602-narrow-gauge-root-imager)
    - [CI-600 In-Situ Root Imager](https://knowledgebase.cid-inc.com/root-analysis?hsLang=en#ci-600-in-situ-root-imager)
- [Canopy Analysis CI-110P](https://knowledgebase.cid-inc.com/canopy-analysis-ci-110p?hsLang=en#main-content)

    - [CI-110 Plant Canopy Imager](https://knowledgebase.cid-inc.com/canopy-analysis-ci-110p?hsLang=en#ci-110-plant-canopy-imager)
- [Photosynthesis Analysis CI-340](https://knowledgebase.cid-inc.com/photosynthesis-analysis-ci-340?hsLang=en#main-content)

    - [CI-340 Handheld Photosynthesis System](https://knowledgebase.cid-inc.com/photosynthesis-analysis-ci-340?hsLang=en#ci-340-handheld-photosynthesis-system)
- [Leaf Analysis CI-202/203/710s](https://knowledgebase.cid-inc.com/leaf-analysis-ci-202-203-710s?hsLang=en#main-content)

    - [CI-710s SpectraVue Leaf Spectrometer](https://knowledgebase.cid-inc.com/leaf-analysis-ci-202-203-710s?hsLang=en#ci-710s-spectravue-leaf-spectrometer)
    - [CI-203 Handheld Laser Leaf Area Meter](https://knowledgebase.cid-inc.com/leaf-analysis-ci-202-203-710s?hsLang=en#ci-203-handheld-laser-leaf-area-meter)
    - [CI-202 Portable Laser Leaf Area Meter](https://knowledgebase.cid-inc.com/leaf-analysis-ci-202-203-710s?hsLang=en#ci-202-portable-laser-leaf-area-meter)
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