
Understanding Colour Vision: How We See the World
A clear introduction to how the eye and brain interpret colour, common colour vision differences, and why testing matters.
Read article →Vision, understood clearly
Explore practical, considered writing on eye health, colour vision, cataract experiences and the everyday choices that support comfortable sight.

A new chapter
After retiring from ophthalmology in January 2022, Dr Ross Littlewood turned his attention to regenerative farming near Toodyay, Western Australia, while continuing to share useful perspectives on vision.
Featured guides
Explore three practical entry points for understanding visual acuity, colour vision and changing eyesight.
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Learn what the gap in a Landolt C can reveal and try an educational screen demonstration.
Open the guide →02
Understand cones, colour differences and accessible ways to communicate beyond colour alone.
Explore colour vision →03
Read balanced guidance on questions, expectations and adapting to a new visual system.
Read the article →Latest journal
Ten original educational articles written for readers, families and anyone curious about vision.

A clear introduction to how the eye and brain interpret colour, common colour vision differences, and why testing matters.
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Learn how a C-based vision test works, what it can indicate and why a screening result is not a medical diagnosis.
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Questions to discuss before cataract surgery, from daily visual goals to lens choices, recovery and practical planning.
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An accessible explanation of monovision, the adaptation process and questions to ask when near and distance focus are balanced between eyes.
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Practical ways to reduce screen-related dryness, fatigue and blur through blinking, breaks, lighting and workstation setup.
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A straightforward guide to common age-related visual changes and the symptoms that should never be dismissed as normal ageing.
Read article →A sensible starting point