{Reference Type}: Case Reports {Title}: The "Keyhole" Pupil: Clinical Significance of Ocular Coloboma. {Author}: Kandarakis SA;Chronopoulou K;Petrou P;Georgalas I; {Journal}: J Pediatr {Volume}: 0 {Issue}: 0 {Year}: Sep 2021 13 {Factor}: 6.314 {DOI}: 10.1016/j.jpeds.2021.09.008 {Abstract}: