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adjustable chairs Airlines anti-reflective screen Appendix April 14 ASSEMBLY STANDING COMMITTEE birth defects brightness and contrast Carl Schlesinger cataracts Cathode Ray Tube clusters Commission on Science Committee on Labor complaints concerns contrast controls desks Director DISPLAY TERMINAL OPERATORS emitted employees ergonomic evidence experience eyestrain factors fatigue glare headaches health and safety health effects health hazards health problems installed issue Jane Ratner Joel Shufro keyboards Legislative Commission levels lighting Locals shall seek machines manufacturers measures monitoring NIOSH NYCOSH Occupational Safety Pokalsky potential pregnancy protect Public Hearing radiation emissions radiation hazards recommendations reported represent rest breaks Safety and Health standards Statement strain stress Sun Newspaper testimony testing union VDT equipment VDT operators VDT usage VDT users VDT workers VDT's video display terminals vision visual demands visual display technology women workplace workstation York City York State Assembly