Ocular Cross-Section Anatomy and Ophthalmology Acronyms EOM - Extra ocular movements IOL - Intraocular Lens IOP - Intraocular Pressure OD - Oculus Dexter (right eye) OS - Oculus Sinister (left eye) OU - Oculus Uterque (both eyes) PERRLA - Pupils Equal, Round, Reactive to Light & Accommodation RAPD - Relative Afferent Pupillary Defect SLE - Slit Lamp Exam VA - Visual Acuity #Ocular #Eyeball #Anatomy #Ophthalmology #Acronyms