In addition to the affected area in need of treatment, the non-use of bright light in other places; the course of treatment and treatment of mobile hand-finished with a hand placed, the hand with the front of the light exit point must point to the ground or a safe place

In addition to the need of treatment for patients with the searchlights, and they are strictly forbidden from other places; in the course of treating a mobile hand-placed upon completion and treatment, hand-in-hand with a front-end when the optical port must point to ground or point to a place of sa

Besides trouble place which needs to treat, forbid strictlys shining other places with the glare; In after the course of treatment moves begins when has and the treatment finished lays aside has, the hand has the front end light mouth must aim at the ground or the directional security place

In addition to requiring treatment outside the affected area, is strictly prohibited by strong light elsewhere; moving hands in the course of treatment and after treatment is complete when the hand is placed, hand with front-end optical ports must point to the ground or point to a safe place

Except need affected part that treats, forbid shining the other places with the strong light; Treatment move hand put hand have, have and treat, front that hand have produce all port must point to the region or point to the safe locality