作为一种全身性代谢疾病,糖尿病以各种不同的方式损害眼睛。除糖尿病性视网膜病变外,还有其它一些较常见的眼部疾病如:白内障、视神经损伤、急性眼眶内感染等。但对引起角膜上皮的改变,例如对外伤的敏感性却未曾引起科学界的重视。角膜上皮除有平滑的眼部光学表面作用外,还作为一种通透性屏障能阻止如水或离子 As a systemic metabolic disease, diabetes damages the eyes in a variety of different ways. In addition to diabetic retinopathy, there are other more common eye diseases such as: cataract, optic nerve injury, acute orbital infection. However, the changes that cause the corneal epithelium, such as the sensitivity to trauma, have not drawn the attention of the scientific community. In addition to the smooth ophthalmic optical surface of the corneal epithelium, it also acts as a barrier to water, such as water or ions