♥♥♥It is used for reduce dentist’s eye ,neck and shoulder fatigue, which is caused by long time lower head work. ♥♥♥Our Dental Loupes is produced by high quality optical glass material with muil-coating, It can supply large field of views and deep depth of view. ♥♥♥Multi-Person use,inclusive cleaning cloth. ♥♥♥Recommended for first time users and it is the easiest loupe to adjust to. ♥♥♥Galilean surgical loupes is very popurlar opplied to Dental, Plastics, Neurological, Ophthalmology, Otorhinolaryngology, also can be used for Electronic and Industry.