The impact of vision impairment on living with congenital aniridia: a pan-European survey study.

51% of those aged 19 years or younger experienced ocular pain once or more per week, increasing to 61% in adults aged 20 years or older.

93% used a smartphone, of which 55% did not require specialized assistive technology for its use.

59% required help at home and 64% outside the home to accomplish daily living tasks, with children requiring help more frequently than adults.