Descriptive characteristics of the mapped patients and eyes in relation to those eligible and those unmapped.

1Values indicate number of items in a category, with the number as a percentage of the group in parentheses, except under Age as per note 4. 2 Fisher’s Exact test to compare the proportions in a category between eligible and mapped groups, except under Age as per note 4. 3 Fisher’s Exact test to compare the proportions in a category between mapped and unmapped groups, except under Age as per note 4. 4 Values indicate the median and range of age at diagnosis, and p-value is for the Kolomogorov-Smirnov test to compare the age at diagnosis distributions between the groups. Descriptive characteristics of the mapped patients and eyes in relation to those eligible and those unmapped.