TMEM67 and coloboma: Besides TMEM67, several other genes have been occasionally found mutated in association with coloboma in several independent studies (Bachmann‐Gagescu, Dempsey, et al., 2015; Brooks et al., 2018; Lee, Silhavy, Lee, et al., 2012; Niceta et al., 2020; Utsch et al., 2006; Wang et al., 2018).