The LJM is a narrower frames pair of glasses to suit those with smaller faces. With a lightweight TR90 flexible hybrid frame, the LJM glasses are 9mm narrower than the PHO model at the hinges.There are two frame colours available: a gloss black with grey trim or a white gloss with pink trim.The HD (Hi Definition) lenses transition from Copper Cat1 in low light to Brown Cat3 in bright sunshineStandard, non bi-focal lenses