Eye screening with the Titmus V2 and Titmus V4 vision screener Routine exams for visual acuity performed with the Titmus vision screeners. Required vision screening tests include central visual acuity, peripheral vision, and color vision. Each model contains 8 test slides. Tests are administered at Far, Near and Intermediate distances. Our professional staff would be pleased to be of assistance to you. Vision Screeners on Sale at Henan Medical. Contact customer service T: 1-800-982-8890 . 1-305-599-0204 E-mail: sales@henanmedical.com