Reichert ClearChart 2 Digital Acuity Testing System This all-in-one system is elegantly designed and built for acuity testing, requiring no separate components or software. Features Configure for direct or mirror viewing. Large range of optotypes: 17-letter set, 8-letter set, Sloan, HOTV, Landolt C, Landolt C and O, Tumbling E. Children’s Optotypes: three different sets including Allen Symbols, Kolt-like symbols and other images. Random sequencing of optotypes. Special test charts for astigmatism testing, suppression and fixation. Contrast sensitivity testing with sine-wave grating or contrast optotypes. Complies with ETDRS protocol Adjustable red/green for compatibility with any refraction system Cartoon loop with sound for pediatric fixation Patient education slides Integrates with Reichert Auto Phoroptor VRx