First, for people with eye diseases or visual impairments, the use of rectangular grief therapy lights may aggravate the condition or cause other problems. Therefore, such people are not suitable for using rectangular grief therapy lights.

Secondly, for people with heart disease, high blood pressure, epilepsy and other diseases, using Rectangle SAD Therapy Lamp may cause symptoms or aggravate the condition. Therefore, such people need to use the rectangular grief treatment lamp cautiously under the guidance of a doctor.
In addition, for pregnant women, children and the elderly, it is also necessary to be cautious when using the rectangular grief therapy lamp. The bodies of pregnant women and children are relatively delicate and are not suitable for prolonged exposure to strong light. The physical function of the elderly is declining, so it is necessary to pay attention to the time and intensity of light to avoid burdening the body.
