Contraindications
：
The following symptoms cannot be treated with laser
：
Malignant or diseased pigment;
Light sensitive skin;
Pregnant
Use of non-coagulating drugs;
Scar constitution;
Bacterial infectious diseases;
Defects in the immune system;
scleroderma;
diabetes;
Other diseases that cannot be used for laser treatment
Preparation before treatment
：
1.Establish customer information files
2.Exclude patients with the above contraindications
；
3.Determine why the patient seeks treatment and its expectations, and
tell the patient the course of treatment, treatment results, possible
side effects and discomfort;
4.Inform patients of safety matters that should be noted;
note:
When treating the eye socket area, use an eyelid plate to protect the
eyeballs. Use 0.5% tetracaine for topical anesthesia and lubricate the
eyelid plate to avoid corneal infection. Physicians and assistants should
