Monday Fun Quiz. 1. 30 yo WF presents for a routine exam Mother and sister have night vision difficulties VA=20/20 OD/OS ERG nonrecordable Carriers usually stable, but may exhibit RP-like symptoms. 1. 2. 60 yo AAM Cc: Decreased VA and ache OD VA=20/50 OD, 20/40 OS Mutton fat KP OD. 2.