Golovin–Sivtsev table Jaeger chart Landolt C Lea test LogMAR chart Monoyer chart Sloan letters Visual acuity References External links Snellen Chart Chart Projector Acuity Pro Visual Acuity Charts Validation of a Portable Electronic Visual Acuity System 1862 introductions Charts Diagnostic ophthalmology Dutch inventions Medical tests Optotypes de:Sehschärfe#Sehprobentafeln