Shown above are (1) Typical LED high Bay with UGR of greater than 28 and (2) VHB3-L2 from Vision Engineering with UGR of 19.5
High Bay luminaires will need to achieve a Corrected Unified Glare Rating (UGR) of less than 28 to be classified DLC Premium per the new DLC Version 5.1 Technical Requirements February 2020. More to come on this topic, but glare is out in the LED world and comfort is in! Not Seeing really is
believing! 
