TY - RPRT TI - Effect of microgravity on the visual near point: Visual Function Tester-Model 4 (VFT-4) AU - Gleason, Gerald A. AU - Task, H. Lee AU - Oneal, Melvin R. PY - 1992 UR - https://ntrs.nasa.gov/citations/19930019553 ID - 19930019553 ER -