It was an ergonomic issue with eye strain, nothing to do with radiation.
Such features raise design, safety, and ergonomic issues.
The design of each type of handle involves substantial ergonomic issues, even where these are dealt with intuitively or by following tradition.
Examples of musculoskeletal problems that may be related to ergonomic issues are:
Employers display about as wide a range of responses to ergonomic issues today as they did to complaints of sexual harassment 15 years ago.
In addition to ergonomic issues, the stock can also have a significant impact on the accuracy of the rifle.
Health issues: Advice on keeping the body in shape, health tools, ergonomic issues, music and memory, etc.
Above all it affects the worker and presents risks which add to problems of physical violence and ergonomic issues.
They said they had been concerned about ergonomic issues for more than a decade.
The ergonomic issues of direct touch can be bypassed by using a different technique, provided that the user's fingernails are either short or sufficiently long.