Disclosed are safety glasses for blocking of harmful electromagnetic radiation and prevention of dazzling which protect eyes from harmful electromagnetic radiation and are ergonomically balanced by arranging the lens portion at the front and the adjuster and battery at the rear side of the temple to ensure convenient wearing of the glasses. The safety glasses include an inner/outer hosing formed of a soft material to closely contact the face of the user and fabricated through double injection molding, thereby ensuring convenient wearing of the glasses.