@misc{indiciaeb28e12ffc1f1, title = {Lens Opacities Classification System.}, author = {L T Chylack and M C Leske and R Sperduto and P Khu and D McCarthy}, year = {1988}, doi = {10.1001/archopht.1988.01060130356020}, url = {https://pubmed.ncbi.nlm.nih.gov/3345149/}, note = {Source identifier: 3345149} }