No difference was found in the anterior segment parameters measured, but there was a significant loss of neural tissue in the XFS as demonstrated by measurements of cup/disk ratio.
Engin munur var hinsvegar merkjanlegur á byggingu forhólfs augans. Marktækt meira tap á taugavef hjá þeim sem höfðu XFS kom skýrt í ljós í mælingum á hlutfalli milli sjóntaugarbolla og sjóntaugaróss (optic disk).