As well as the well-known requirements which every vision screening device should meet (Tests according to the European Guideline for VDU-Workers and DLD (Driving Licence Decree), compliant with German and European standards), Rodatest 300 offers something extra: Variable testing distances for VDU related visual acuity tests with Landolt-Rings or numbers. Low-reflex view. Integrated light diodes for orienting test of horizontal peripheral perception. Tests for latent hyperopia. Test programs can be set individually. Vision test field can be tilted to make near vision screening more comfortable for people wearing progressives.