Myopia and colour vision: potential impact of colour vision gene variation on susceptibility to myopia

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The frequency of myopia has shown a rapid increase in recent years but the underlying cause remains largely unknown. Our recent work on severe myopia with dichromacy has indicated that some forms of myopia may arise through changes in cone visual pigments and the arrangement of cone photoreceptors in the retina which impact on the feedback loop between image formation and eye elongation. This study seeks to explore this link in detail in myopia patients that possess normal colour vision.