Vision Enhance Roller, Relax Eye Vision Relieve Dry Eye Fatigue Care Massage RollerOur Vision Enhance Roller contains houttuynia cordata, chamomile, safflower. It can temporarily reduce pupil size, helping to improve the eye's ability to focus at close range while maintaining clear distance vision. Its application method is very simple: Apply to clean, dry under eye area. Use it daily for best results. Gently pat remaining skin. For external use only. Reduces discomfort and promotes clearer vision.