TY - CHAP M1 - Book, Section TI - Abbreviations & Symbols Used in Ophthalmology A1 - Riordan-Eva, Paul A1 - Cunningham, Emmett T. PY - 2011 T2 - Vaughan & Asbury's General Ophthalmology, 18e AB - |PrintAbbreviations & Symbols Used in OphthalmologyA or ACC AccommodationAx or x Axis of cylindric lensBI or BO Base-in or base-out (prism)CF Counting fingersC or Cyl Cylindric lens or cylinderD Diopter (lens strength)E EsophoriaEOG Electro-oculographyEOM Extraocular muscles or movementsERG ElectroretinographyET Esotropia (with L or R)H HyperphoriaHM Hand movementsHT HypertropiaIOP Intraocular pressureIPD Interpupillary distanceJ1, J2, J3, etc. Test types (Jaeger) for testing reading visionKP Keratic precipitatesLP Light perceptionLproj Light projectionLR Light reactionN NasalNLP No light perceptionNPC Near point of convergenceOD (R, or RE) Oculus dexter (right eye)OS (L, or LE) Oculus sinister (left eye)OU Oculi unitas (both eyes)PD Prism diopterPH PinholePRRE Pupils round, regular, and equalS or Sph Spherical lensVA Visual acuityVE Visual efficiencyVER Visual evoked responseX ExophoriaXT Exotropia+ Plus or convex lens– Minus or concave lens Combined with∞ Infinity (6 meters [20 feet] or more distance)° Degree (measurement of strabismus angle)Δ Prism diopter SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/03/28 UR - accessmedicine.mhmedical.com/content.aspx?aid=55786130 ER -