# Eye-tracker: change calibration and validation procedures for Eyelink 1000

**URL:** <https://discourse.psychopy.org/t/eye-tracker-change-calibration-and-validation-procedures-for-eyelink-1000/5957>\
**Category:** Coding\
**Tags:** eyetracking, iohub\
**Created:** [November 28, 2018, 12:35pm UTC](https://discourse.psychopy.org/t/eye-tracker-change-calibration-and-validation-procedures-for-eyelink-1000/5957 "2018-11-28T12:35:56Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![Becca](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.psychopy.org/becca/32/34260_2.png) [@Becca](https://discourse.psychopy.org/u/Becca)\
**Post date:** [July 16, 2021, 10:51am UTC](https://discourse.psychopy.org/t/eye-tracker-change-calibration-and-validation-procedures-for-eyelink-1000/5957/7 "2021-07-16T10:51:34Z")

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Hi @dagmarfraser are you using the newest release of PsychoPy (2021.2)? if so he grid can be set to various sizes (even from builderview!) I’m imagining there might be a bit more flexibility for what you need on that release!

Becca

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