* Vision Care: With uninsured families hard-pressed to afford eye doctor visits or glasses for their children, Sen. Paul Sarbanes (D-Md.) has proposed a bill to provide at least $75 million a year for vision care for young children. Thirty states screen children for vision problems before they enter kindergarten, and another 11 require screenings before preschool, Sarbanes said. But once screened, there is no guarantee