The discovery of limbal stem cell is one of the most important advances in ophthalmologic field.It is now accepted that limbal stem cell is the ultimate source of corneal epithelium regeneration.

• 角膜缘干细胞的发现是十几年来眼科最重要的进展之一,现已公认,角膜缘干细胞是角膜上皮细胞再生的最终源泉。