Berma Electrochromic Smart  Glass provides continuously adjustable field of view, creates smart and connected buildings that improve people's health and wellness, while simultaneously saving energy. 
     A recent study by Cornell University showed that over 75 percent of office windows have more than half of their window area covered by blinds or shades, disconnecting employees from the outdoors，increased exposure to natural light unlocks a tremendous competitive advantage for companies by positively impacting the health, energy and work-related performance of their workforces. workers in offices with optimized natural light reported a 51 percent drop in the incidence of eyestrain and a 63 percent drop in the incidence of headaches, both of which can detract from productivity.
      Lack of daylight and access to views decreases the ability of the eye to relax and recover from fatigue. By prioritizing controlled daylight in their offices, companies can increase workers’ ability to work comfortably longer.
      Better quality daylight not only resulted in fewer headaches and less eyestrain, but also decreased fatigue among workers. Workers in offices with optimized natural light reported a 56 percent decrease in drowsiness.