It is used for reduce dentist¡'s eye ,neck and shoulder fatigue, which is caused by long time lower head work Galilean surgical loupes is very popurlar opplied to Dental, Plastics, Neurological, Ophthalmology, Otorhinolaryngology, also can be used for Electronic and Industry. Product features It is used for reduce dentist¡'s eye ,neck and shoulder fatigue, which is caused by long time lower head work. Galilean surgical loupes is very popurlar opplied to Dental, Plastics, Neurological, Ophthalmology, Otorhinolaryngology, also can be used for Electronic and Industry. Using rechargeable Li-ion battery, long working time, high brightness and clear circle Portable LED headlight with small size and light weight, it is suitable for all kinds of surgical Portable LED headlight with small size and light weight, it is suitable for all kinds of surgical operation and anywhere without light or lack of light 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