The phenotypic subset associated with myopia (n = 130) was found to represent a set of 119 unique genes since 7 genes (COL2A1, COL11A1, FBN1, LTBP2, POMT1, POMT2, POMGNT1) had two or more associated phenotypes, leading to 11 duplicates. This evidence concerns the gene COL2A1 and myopia.