A Novel Adaptive Hybrid Focal-Entropy Loss for Enhancing Diabetic Retinopathy Detection Using Convolutional Neural NetworksDiabetic retinopathy is a leading cause of blindness and precise AI-based diagnostic tools are needed.The Adaptive Hybrid Focal-Entropy Loss addresses class imbalance and challenges in diabetic retinopathy detection.The proposed method achieved improved performance with various models, indicating its potential in complex medical datasets.