Analysis of VA of FHONDA compared to the different subtypes of albinism showed a significantly better VA in OCA1 and OCA2 (median = 0.5 logMAR, IQR = 0.3–0.7, P= 0.004, and median = 0.5 logMAR, IQR = 0.2–0.7, P = 0.006), respectively). Here, OCA2 is linked to albinism.