"Take Periodic Rest Breaks from the Computer" Complaints of eye discomfort and fatigue are becoming more common as use of video display terminals (VDTs) increases. While it is true that VDTs can cause eyestrain, there is no convincing evidence that VDTs can harm the eyes. Some people fear VDT’s emit damaging ultraviolet light or radiation. The amount of ultraviolet light emitted by VDTs is a fraction of what is emitted from a fluorescent light. Radiation levels from VDTs are