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Licensed for use by Bower Grove School until 31 July 2026

25 September 2025

Shinobu Ishihara, born 146 years ago today, developed the standard test for colour blindness.

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The information in Jed is carefully researched and checked, but may contain errors and omissions. You should check all information before making any decision based on it. Jed is a starting point for thinking about jobs. We recommend that you discuss your ideas with a careers adviser.

The Job Explorer Database is © C+K 2024. C+K is a trading name of C&K Careers Ltd. www.ckcareers.co.uk