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+# CSDI Dataset License
+
+CSDI: A Fine-Grained Fundus Image Dataset of Cataract Severity and Diagnostic Images
+
+This dataset is licensed under the **Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)** license.
+
+## Terms of Use
+
+### 1. Attribution (BY)
+You must give appropriate credit, provide a link to the license, and indicate if changes were made.  
+Suggested citation:
+
+> Zixun Xie, Mingxin Ao, Haiming Tang, Xuemin Li, Xiang Bai, Shanghang Zhang, Dawei Li. *CSDI: A Fine-Grained Fundus Image Dataset of Cataract Severity and Diagnostic Images*, 2025. Licensed under CC BY-NC 4.0. [https://creativecommons.org/licenses/by-nc/4.0/](https://creativecommons.org/licenses/by-nc/4.0/)
+
+### 2. Non-Commercial (NC)
+You may not use the dataset for commercial purposes. For commercial use, you must obtain separate permission from the copyright holders.
+
+### 3. Allowed Actions
+- ✅ Copy, share, and distribute the dataset for non-commercial purposes.
+- ✅ Modify, analyze, or adapt the dataset for non-commercial research, educational, or personal use.
+- ✅ Use the dataset in academic papers, reports, or presentations, with proper attribution.
+
+### 4. Prohibited Actions
+- ❌ Use the dataset for commercial projects, products, or paid services.
+- ❌ Remove or omit attribution or license information.
+- ❌ Claim the dataset as your own work.
+
+---
+
+For full license details, visit the official CC BY-NC 4.0 page:  
+[https://creativecommons.org/licenses/by-nc/4.0/](https://creativecommons.org/licenses/by-nc/4.0/)