Often allergies, vitamin deficiencies, and arthritis can cause tear film problems. 通常过敏，维生素缺乏及关节炎会导致泪膜出现问题。
With the development of recognization of tear film,more attention has been paid on the ocular surface mucin and its regulation. 随着对泪膜的深入认识，眼表粘蛋白的重要性及其调节因素日益受到重视。
