RP1L1 and occult macular dystrophy: Luoma-Overstreet et al.33reviewed cases of occult macular dystrophy published before their report, and described similar numbers of males (n = 143) and females (n = 141), although they pointed out that these numbers included both RP1L1-associated asymptomatic cases and cases of occult macular dystrophy without a confirmed RP1L1 variant.