William R. Freeman

12.5k total citations · 1 hit paper
287 papers, 8.1k citations indexed

About

William R. Freeman is a scholar working on Ophthalmology, Radiology, Nuclear Medicine and Imaging and Epidemiology. According to data from OpenAlex, William R. Freeman has authored 287 papers receiving a total of 8.1k indexed citations (citations by other indexed papers that have themselves been cited), including 248 papers in Ophthalmology, 158 papers in Radiology, Nuclear Medicine and Imaging and 68 papers in Epidemiology. Recurrent topics in William R. Freeman's work include Retinal Diseases and Treatments (170 papers), Retinal Imaging and Analysis (85 papers) and Glaucoma and retinal disorders (79 papers). William R. Freeman is often cited by papers focused on Retinal Diseases and Treatments (170 papers), Retinal Imaging and Analysis (85 papers) and Glaucoma and retinal disorders (79 papers). William R. Freeman collaborates with scholars based in United States, Germany and United Kingdom. William R. Freeman's co-authors include Lingyun Cheng, Dirk‐Uwe Bartsch, Michael J. Sailor, Emily J. Anglin, Dirk-Uwe Bartsch, Lingyun Cheng, F. Mojana, MARIETTA P. KARAVELLAS, Stephen F. Oster and R. M. S. Yuson and has published in prestigious journals such as PLoS ONE, Advanced Functional Materials and Advanced Drug Delivery Reviews.

In The Last Decade

William R. Freeman

279 papers receiving 7.8k citations

Hit Papers

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What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Porous silicon in drug delivery devices and materials☆

2008 662 citations Lingyun Cheng, William R. Freeman et al. profile →

Peers

Countries citing papers authored by William R. Freeman

Since Specialization

Citations

This map shows the geographic impact of William R. Freeman's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by William R. Freeman with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites William R. Freeman more than expected).

Fields of papers citing papers by William R. Freeman

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by William R. Freeman. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by William R. Freeman. The network helps show where William R. Freeman may publish in the future.

Co-authorship network of co-authors of William R. Freeman

This figure shows the co-authorship network connecting the top 25 collaborators of William R. Freeman. A scholar is included among the top collaborators of William R. Freeman based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with William R. Freeman. William R. Freeman is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	RETINAL STRUCTURAL CHANGES AFTER CESSATION OF PENTOSAN POLYSULFATE SODIUM 2024 ·Retina ·(unknown), (unknown), (unknown), (unknown), (unknown), Jimmy Chen, Andrew Lin, (unknown), Dirk‐Uwe Bartsch, Sally L. Baxter, Henry Ferreyra, William R. Freeman, Shyamanga Borooah	0
2	Effect of manual OCTA segmentation correction to improve image quality and visibility of choroidal neovascularization in AMD 2024 ·Scientific Reports ·(unknown), (unknown), (unknown), (unknown), (unknown), (unknown), Dirk-Uwe Bartsch, Lingyun Cheng, William R. Freeman	5
3	Efficacy and accuracy of artificial intelligence to overlay multimodal images from different optical instruments in patients with retinitis pigmentosa 2023 ·Clinical and Experimental Ophthalmology ·(unknown), Yiqian Wang, William R. Freeman, (unknown), (unknown), Truong Q. Nguyen, Dirk‐Uwe Bartsch, Cheolhong An, Shyamanga Borooah	5
4	The Sensitivity of Ultra-Widefield Fundus Photography Versus Scleral Depressed Examination for Detection of Retinal Horseshoe Tears 2023 ·American Journal of Ophthalmology ·Andrew Lin, (unknown), Etienne M. Schönbach, Delu Song, (unknown), (unknown), Mark P. Breazzano, Nathan L. Scott, Shyamanga Borooah, Henry Ferreyra, Doran Spencer, Michael H. Goldbaum, Eric Nudleman, William R. Freeman, Christopher B. Toomey	6
5	Retinal OCT Layer Segmentation via Joint Motion Correction and Graph-Assisted 3D Neural Network 2023 ·IEEE Access ·(unknown), (unknown), William R. Freeman, (unknown), (unknown), Dirk‐Uwe Bartsch, Truong Q. Nguyen, Cheolhong An	7
6	Two-Step Registration on Multi-Modal Retinal Images via Deep Neural Networks 2021 ·IEEE Transactions on Image Processing ·Junkang Zhang, (unknown), (unknown), (unknown), Dirk‐Uwe Bartsch, William R. Freeman, Truong Q. Nguyen, Cheolhong An	29
7	Study on Correlation Between Subjective and Objective Metrics for Multimodal Retinal Image Registration 2020 ·IEEE Access ·(unknown), Junkang Zhang, (unknown), Dirk‐Uwe Bartsch, William R. Freeman, Truong Q. Nguyen, Cheolhong An	2
8	Progress Evaluation in Eyes with Geographic Atrophy and Retina Pseudocyst 2020 ·Ophthalmology Retina ·(unknown), Mahima Jhingan, Dirk‐Uwe Bartsch, Sumit Randhir Singh, (unknown), (unknown), William R. Freeman	3
9	Retinal pseudocysts in geographic atrophy secondary to non-exudative age-related macular degeneration 2017 ·Investigative Ophthalmology & Visual Science ·Kevin C. Chen, Tiezhu Lin, William R. Freeman	0
10	Retinal Nerve Fiber and Optic Disc Morphology in Patients with Human Immunodeficiency Virus Using the Heidelberg Retina Tomography 3 2015 ·PLoS ONE ·Dirk‐Uwe Bartsch, Igor Kozak, Igor Grant, (unknown), Robert N. Weinreb, Byung Ro Lee, William R. Freeman	9
11	External limiting membrane as a predictor of visual improvement in diabetic macular edema after pars plana vitrectomy 2012 ·Graefe s Archive for Clinical and Experimental Ophthalmology ·Jay Chhablani, Jae Suk Kim, Lingyun Cheng, Igor Kozak, William R. Freeman	78
12	Intraocular Pharmacokinetics of a Crystalline Lipid Prodrug, Octadecyloxyethyl-Cyclic-Cidofovir, for Cytomegalovirus Retinitis 2011 ·Journal of Ocular Pharmacology and Therapeutics ·Lingyun Cheng, James R. Beadle, Ajay M. Tammewar, Karl Y. Hostetler, Carl K. Hoh, William R. Freeman	6
13	INFECTIOUS RETINITIS AND RETINAL DISEASE IN HUMAN IMMUNODEFICIENCY VIRUS–INFECTED INDIVIDUALS 2011 ·Retina ·Igor Kozák, William R. Freeman	5
14	Clinical Treatment Accuracy in Diabetic Macular Edema Using Navigated Laser Photocoagulator Navilas®: A Multicentered Clinical Trial 2010 ·Investigative Ophthalmology & Visual Science ·Igor Kozak, Stephen F. Oster, (unknown), (unknown), (unknown), Anselm Kampik, Aljoscha S. Neubauer, William R. Freeman	1
15	Intravitreal Triamcinolone Acetonide for the Treatment of Immune Recovery Uveitis Macular Edema 2007 ·Ophthalmology ·(unknown), Igor Kozák, Laurie LaBree, Stanley P. Azen, (unknown), William R. Freeman	34
16	Hyperreflective Sign in Resolved Cotton Wool Spots Using High-Resolution Optical Coherence Tomography and Optical Coherence Tomography Ophthalmoscopy 2007 ·Ophthalmology ·Igor Kozák, Dirk‐Uwe Bartsch, Lingyun Cheng, William R. Freeman	33
17	Evaluation of Subretinal Triamcinolone Acetonide in Patients with Exudative Age-Related Macular Degeneration 2007 ·Journal of Ocular Pharmacology and Therapeutics ·Igor Kozak, Lingyun Cheng, Iryna Falkenstein, Ajay M. Tammewar, William R. Freeman	5
18	The Effect of Recombinant Human Hyaluronidase on Dexamethasone Penetration into the Posterior Segment of the Eye After Sub-Tenon's Injection 2006 ·Journal of Ocular Pharmacology and Therapeutics ·Igor Kozák, Özcan Kayıkçıoğlu, Lingyun Cheng, Iryna Falkenstein, Gabriel A. Silva, Diana Yu, William R. Freeman	11
19	Visual Dysfunction in HIV-Positive Patients without Infectious Retinopathy 1998 ·AIDS Patient Care and STDs ·Daniel J. Plummer, Pamela A. Sample, William R. Freeman	6
20	New ophthalmic lasers for the evaluation and treatment of retinal disease 1993 ·Clinical and Experimental Ophthalmology ·William R. Freeman, Dirk‐Uwe Bartsch	4

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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