Top association signals in the discovery and replication GWAS of corneal astigmatism.

aBase pair positions are indicated according to the NCBI build 136 (hg18);bEffect allele;cAverage effect allele frequency in the discovery cohort;dStandard error for odds ratios;eP-value for heterogeneity I2 between five study cohorts.SP2 - Singapore Prospective Study Program; SiMES - Singapore Malay Eye Study; SINDI - Singapore Indian Eye Study; SCORM - Singapore Cohort study of the Risk factors for Myopia; STARS - Singaporean Chinese in the Strabismus, Amblyopia and Refractive Error Study.