ALDH3A1 and Astigmatism: While no genome-wide association studies (GWAS) have indicated an association of the ALDH3A1 with KC [7], it has been noted in intraocular pressure [25] and refractive astigmatism studies [26] (https://www.ebi.ac.uk/gwas/genes/ALDH3A1) (accessed on 6 June 2021) [7].