Report summary

For University of Pittsburgh Department of Ophthalmology in 2018-2020, the graph shows 33 visible PIs and 45 internal PI collaborations. The dominant subject mix is Medicine as the leading field (55% of slots across 28 PIs; 28 labels), Ophthalmology as the leading subfield (22% of slots across 17 PIs; 17 labels), and Retinal Diseases and Treatments as the leading topic (8% of slots across 8 PIs; 8 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The top weighted PIs are Ian A. Sigal (19.1 weighted works; Corneal surgery and disorders, Glaucoma and retinal disorders); Vishal Jhanji (18.8 weighted works; Ocular Infections and Treatments, Corneal Surgery and Treatments). The most visible ties are Nadezda A. Stepicheva and Debasish Sinha (18 shared works, weight 11.3). The standout breakdown groups are group 1 with 10 PIs, 11 internal connections, weight 22.1, around Ophthalmology, Molecular Biology, Cellular and Molecular Neuroscience, led by José‐Alain Sahel, Syed Mahmood Shah, Debasish Sinha; group 2 with 9 PIs, 12 internal connections, weight 31.9, around Radiology, Nuclear Medicine and Imaging, Ophthalmology, Molecular Biology, led by Vishal Jhanji, Robert M. Q. Shanks, Yiqin Du.