Bobbie MR-series HD defocus lenses combine peripheral myopia-control optics with high-definition aspheric curves and built-in blue-light filtration, giving kids and students razor-sharp vision plus relief from screen fatigue. Super-slim Mitsui polythiourethane keeps even high prescriptions feather-light, while the UV400 HMC shield shrugs off glare, scratches and smudges for all-day crystal-clear comfort from homework to gaming.