In order to determine how your design can be improved, first ask someone else to repeat the assessment. This is best performed with a second mobile phone, so that your calibration distance remains stored in this phone. Then discuss the following:
Further detail on vision ability and design guidance for improving visual clarity are available within the Vision section of the Inclusive Design Toolkit.
Furthermore, the University of Cambridge, Engineering Design Centre can provide Consultancy services to help you improve your design, and give external validation of the assessments you have made.
We would welcome your feedback on this page:
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