ABCA4 and Photophobia: The other reported symptoms were less common but similar to the ones of the ABCA4 cohort: reading difficulties (1/7, 14.29%), hemeralopia (1/7, 14.29%), photophobia (2/7, 28.57%), color vision deterioration (1/7, 14.29%), and central scotoma (1/7, 14.29%).