18.5' Inches LED Vision Chart is maintenance free and offers numerous advantages over conventional chart projectors and other available visual acuity systems. The SmartVisions can be easily mounted on the wall or on a table stand. The high contrast and bright displays allows tests to be performed in any ambient light condition, enhancing comfort for both patient and clinician. Chart Distance 6 feet 8 feet 10 feet 12 feet 15 feet 20 feet and Mirror Charst. List of chart : Landolt "c" Ring. Tumbling E Alphabets ( Random ) Numeric ( Random ) Dots Chart Pediartic Charts Contrast Sensitivity. Logmar Charts Snellen Charts ETDRS Contrast Madmox Test . Peroheral Aquity . Red Green (or) Duochrome . Cross CylindervTest. Ishihara Colour Charts. Animal Charts. Cartoon Charts Astig Fan. All Regional Languages. Eye Educational Charts :Cataract ,Retina, Cornea, Glaucoma, Lasik, Contact Lens (Total 100 Charts). For any query feel free to contact us. You may contact us any time. We manufavture best quality products and Satisfy our Valuable customers with our quality and services.