Work is primarily performed in an environmentally controlled office environment but requires exposure to outside environmental conditions including extreme heat, cold and noise requiring employee to shout in order to be heard above the ambient noise level; workplace hazards which may include proximity to moving mechanical parts, moving vehicles and atmospheric conditions that may affect the respiratory system including fumes, odors, dust, mists and gases. Visual acuity is required for depth perception, preparing and analyzing written or computer data, visual inspection of products, operation of machines, determining the accuracy and thoroughness of work, and observing general surroundings and activities.