Previous studies have shown that MR was associated with SNPs in various genes such as Myosin 1H (MYO1H) [9], Matrilin 1 (MATN1) [7], ADAM Metallopeptidase with Thrombospondin Type 1 Motif 9 (ADAMTS9) [10], and Bone Morphogenic Protein 2 (BMP2) [11] genes. Here, MATN1 is linked to miotic rate.