Stephen J. Ryan

507 total citations
18 papers, 385 citations indexed

About

Stephen J. Ryan is a scholar working on Ophthalmology, Molecular Biology and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, Stephen J. Ryan has authored 18 papers receiving a total of 385 indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Ophthalmology, 11 papers in Molecular Biology and 11 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in Stephen J. Ryan's work include Retinal Development and Disorders (10 papers), Retinal Diseases and Treatments (10 papers) and Retinal and Macular Surgery (9 papers). Stephen J. Ryan is often cited by papers focused on Retinal Development and Disorders (10 papers), Retinal Diseases and Treatments (10 papers) and Retinal and Macular Surgery (9 papers). Stephen J. Ryan collaborates with scholars based in United States, Japan and Switzerland. Stephen J. Ryan's co-authors include Nino Sorgente, Stanley P. Azen, David R. Hinton, John S. Lean, Kathryn L.P. Linton, Brooks W. McCuen, Walter H. Stern, Thomas E. Ogden, Bernd Kirchhof and Brian D. Sippy and has published in prestigious journals such as Ophthalmology, Transplantation and Experimental Eye Research.

In The Last Decade

Stephen J. Ryan

18 papers receiving 368 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Stephen J. Ryan United States	12	296	233	162	54	23	18	385
S. Grisanti Germany	6	212 0.7×	179 0.8×	202 1.2×	14 0.3×	33 1.4×	11	341
Jeremy Mahlow United States	6	337 1.1×	143 0.6×	198 1.2×	18 0.3×	21 0.9×	7	438
P.R. van den Biesen Netherlands	10	327 1.1×	254 1.1×	156 1.0×	30 0.6×	25 1.1×	17	451
Minoru Obazawa Japan	9	390 1.3×	181 0.8×	228 1.4×	45 0.8×	22 1.0×	10	462
N D George United Kingdom	6	297 1.0×	261 1.1×	267 1.6×	22 0.4×	20 0.9×	8	424
Jimena Rojas Spain	10	390 1.3×	365 1.6×	133 0.8×	56 1.0×	7 0.3×	15	493
Robert L. Steinmetz United States	12	615 2.1×	324 1.4×	255 1.6×	31 0.6×	23 1.0×	19	683
Peter J. Kappel United States	6	371 1.3×	137 0.6×	154 1.0×	10 0.2×	32 1.4×	7	461
Marc C. Peden United States	10	323 1.1×	151 0.6×	184 1.1×	25 0.5×	25 1.1×	20	430
Carla Starita United Kingdom	9	382 1.3×	252 1.1×	206 1.3×	7 0.1×	20 0.9×	11	487

Countries citing papers authored by Stephen J. Ryan

Since Specialization

Citations

This map shows the geographic impact of Stephen J. Ryan'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 Stephen J. Ryan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Stephen J. Ryan more than expected).

Fields of papers citing papers by Stephen J. Ryan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Stephen J. Ryan. 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 Stephen J. Ryan. The network helps show where Stephen J. Ryan may publish in the future.

Co-authorship network of co-authors of Stephen J. Ryan

This figure shows the co-authorship network connecting the top 25 collaborators of Stephen J. Ryan. A scholar is included among the top collaborators of Stephen J. Ryan 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 Stephen J. Ryan. Stephen J. Ryan is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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18 of 18 papers shown

Thumann, Gabriele, Ulrich Schraermeyer, Christine Spee, et al.. (1999). TRANSPLANTATION OF AUTOLOGOUS IRIS PIGMENT EPITHELIUM TO THE SUBRETINAL SPACE IN RABBITS1. Transplantation. 68(2). 195–201. 26 indexed citations

Kimura, Hideya, M. Scott Harris, Taiji Sakamoto, et al.. (1997). Hypericin inhibits choroidal endothelial cell proliferation and cord formation in vitro. Current Eye Research. 16(10). 967–972. 14 indexed citations

Malik, Punam, et al.. (1997). Retinal Pigment Epithelium Cells Promote the Maturation of Monocytes to Macrophages in vitro. Ophthalmic Research. 29(1). 31–36. 11 indexed citations

Murata, Toshinori, et al.. (1997). Ocular Gene Therapy: Experimental Studies and Clinical Possibilities. Ophthalmic Research. 29(5). 242–251. 21 indexed citations

Sippy, Brian D., et al.. (1996). Soluble Tumor Necrosis Factor Receptors are Present in Human Vitreous and Shed by Retinal Pigment Epithelial Cells. Experimental Eye Research. 63(3). 311–317. 13 indexed citations

Diddie, Kenneth R., Stanley P. Azen, H. Mackenzie Freeman, et al.. (1996). Anterior Proliferative Vitreoretinopathy in the Silicone Study. Ophthalmology. 103(7). 1092–1099. 33 indexed citations

Sippy, Brian D., Florence M. Hofman, Shikun He, et al.. (1995). SV40-immortalized and primary cultured human retinal pigment epithelial cells share similar patterns of cytokine-receptor expression and cytokine responsiveness. Current Eye Research. 14(6). 495–503. 27 indexed citations

Sakamoto, Taiji, Tatsuro Ishibashi, Toshihiko Kohno, et al.. (1994). Subretinal Neovascularization in the Rat Induced by IRBP Synthetic Peptides. Experimental Eye Research. 58(2). 155–160. 10 indexed citations

McCuen, Brooks W., Stanley P. Azen, Walter H. Stern, et al.. (1993). VITRECTOMY WITH SILICONE OIL OR PERFLUOROPROPANE GAS IN EYES WITH SEVERE PROLIFERATIVE VITREORETINOPATHY. Retina. 13(4). 279–284. 80 indexed citations

10.

Ishibashi, Tatsuro & Stephen J. Ryan. (1992). Maturation of newly-formed subretinal vessels. Proceedings of the Fourth International Symposium on Polarization Phenomena in Nuclear Reactions. 61. 59–63. 1 indexed citations

11.

Ogden, Thomas E., et al.. (1992). Retinal pigment epithelium implantation in the rabbit: technique and morphology. Graefe s Archive for Clinical and Experimental Ophthalmology. 230(3). 292–300. 32 indexed citations

12.

Nishimura, Tetsuya, et al.. (1990). Effects of Sodium Iodate on Experimental Subretinal Neovascularization in the Primate. Ophthalmologica. 200(1). 28–38. 14 indexed citations

13.

Zhu, Zhiren, et al.. (1989). Experimental subretinal neovascularization in the rabbit. Graefe s Archive for Clinical and Experimental Ophthalmology. 227(3). 257–262. 9 indexed citations

14.

Yamakawa, Ryoji, Nino Sorgente, & Stephen J. Ryan. (1989). Investigations on Contractile Properties of Retinal Pigment Epithelial Cells. Ophthalmologica. 199(4). 165–172. 7 indexed citations

15.

Kirchhof, Bernd, et al.. (1989). Vitreous modulation of migration and proliferation of retinal pigment epithelial cells in vitro.. PubMed. 30(9). 1951–7. 36 indexed citations

16.

Hui, Yan-Nian, Nino Sorgente, & Stephen J. Ryan. (1988). Liquefaction of rabbit vitreous by ferrous ions. Current Eye Research. 7(7). 655–660. 8 indexed citations

17.

Ryan, Stephen J., et al.. (1980). Enzymatic and mechanically induced subretinal neovascularization. Graefe s Archive for Clinical and Experimental Ophthalmology. 215(1). 21–27. 12 indexed citations

18.

Ryan, Stephen J., et al.. (1980). The disciform response: An historical perspective. Graefe s Archive for Clinical and Experimental Ophthalmology. 215(1). 1–20. 31 indexed citations

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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