“HFESISK: Hierarchical Expert-Fuzzy System and Illumination Surgical Keratoscope based diagnosis of diseases of eye: Diabetic Retinopathy, Glaucoma and Cataract”, IJFANS, vol. 11, no. 11, pp. 17317–17336, Jan. 2022, Accessed: Aug. 10, 2026. [Online]. Available: https://www.ijfans.org/index.php/Journal/article/view/12357