Report summary

University of Pittsburgh Department of Ophthalmology in 2015-2026 reads as a 74-PI network with 230 internal PI collaborations. The dominant subject mix is Medicine as the leading field (47% of slots across 60 PIs; 60 labels), Ophthalmology as the leading subfield (18% of slots across 33 PIs; 33 labels), and Retinal Diseases and Treatments as the leading topic (6% of slots across 13 PIs; 13 labels). That is promising: collaboration is not just one large hairball, and the leading breakdown groups cover 27 PIs across distinct clusters. The leading PI names are Jay Chhablani (80.3 weighted works; Retinal Diseases and Treatments, Retinal Imaging and Analysis). The most visible ties are Robert M. Q. Shanks and Eric G. Romanowski (39 shared works, weight 23.7). The leading breakdown groups are group 1 with 10 PIs, 11 internal connections, weight 97.7, around Ophthalmology, Epidemiology, Radiology, Nuclear Medicine and Imaging, led by Jay Chhablani, José‐Alain Sahel, Debasish Sinha.