Charles E. Riva

12.1k total citations · 1 hit paper
174 papers, 9.7k citations indexed

About

Charles E. Riva is a scholar working on Ophthalmology, Radiology, Nuclear Medicine and Imaging and Neurology. According to data from OpenAlex, Charles E. Riva has authored 174 papers receiving a total of 9.7k indexed citations (citations by other indexed papers that have themselves been cited), including 122 papers in Ophthalmology, 102 papers in Radiology, Nuclear Medicine and Imaging and 34 papers in Neurology. Recurrent topics in Charles E. Riva's work include Glaucoma and retinal disorders (94 papers), Retinal Imaging and Analysis (64 papers) and Retinal Diseases and Treatments (53 papers). Charles E. Riva is often cited by papers focused on Glaucoma and retinal disorders (94 papers), Retinal Imaging and Analysis (64 papers) and Retinal Diseases and Treatments (53 papers). Charles E. Riva collaborates with scholars based in United States, Switzerland and Italy. Charles E. Riva's co-authors include Benno L. Petrig, Juan E. Grunwald, Stephen H. Sinclair, Stephen D. Cranstoun, Constantin J. Pournaras, Benedetto Falsini, Leopold Schmetterer, Eric Logean, Martial Geiser and Ross D. Shonat and has published in prestigious journals such as Science, The Journal of Physiology and Diabetes.

In The Last Decade

Charles E. Riva

172 papers receiving 9.3k citations

Hit Papers

align trajectories

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.

Blood velocity and volumetric flow rate in human retinal vessels.

1985 381 citations Charles E. Riva, Juan E. Grunwald et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Charles E. Riva United States	58	7.3k	5.3k	1.4k	1.2k	1.2k	174	9.7k
Alon Harris United States	54	8.4k 1.2×	5.4k 1.0×	1.3k 0.9×	400 0.3×	1.0k 0.9×	390	10.1k
Akitoshi Yoshida Japan	42	4.6k 0.6×	3.5k 0.7×	909 0.6×	469 0.4×	600 0.5×	281	6.1k
Gerhard Garhöfer Austria	46	5.0k 0.7×	3.9k 0.7×	827 0.6×	375 0.3×	415 0.3×	242	6.7k
Stephen J. Cringle Australia	45	5.1k 0.7×	3.3k 0.6×	2.3k 1.6×	539 0.4×	789 0.7×	175	6.9k
Benno L. Petrig United States	36	3.4k 0.5×	2.4k 0.4×	524 0.4×	429 0.3×	562 0.5×	94	4.5k
Robert Ritch United States	71	15.9k 2.2×	9.6k 1.8×	3.7k 2.6×	380 0.3×	1.0k 0.8×	460	18.3k
Cynthia J. Roberts United States	56	5.0k 0.7×	7.3k 1.4×	1.3k 0.9×	366 0.3×	425 0.4×	260	12.0k
Amani A. Fawzi United States	48	6.5k 0.9×	4.7k 0.9×	962 0.7×	301 0.2×	500 0.4×	244	8.2k
Oliver Findl Austria	58	8.8k 1.2×	6.7k 1.2×	660 0.5×	347 0.3×	399 0.3×	348	10.2k
Tom MacGillivray United Kingdom	36	2.3k 0.3×	3.2k 0.6×	454 0.3×	215 0.2×	226 0.2×	170	5.0k

Countries citing papers authored by Charles E. Riva

Since Specialization

Citations

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

Fields of papers citing papers by Charles E. Riva

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Charles E. Riva. 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 Charles E. Riva. The network helps show where Charles E. Riva may publish in the future.

Co-authorship network of co-authors of Charles E. Riva

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Riva, Charles E. & Benedetto Falsini. (2008). Functional laser Doppler flowmetry of the optic nerve: physiological aspects and clinical applications. Progress in brain research. 173. 149–163. 19 indexed citations

Pournaras, Constantin J., Elisabeth Rungger‐Brändle, Charles E. Riva, Sveinn Hákon Hardarson, & Einar Stefánsson. (2008). Regulation of retinal blood flow in health and disease. Progress in Retinal and Eye Research. 27(3). 284–330. 475 indexed citations

Beare, Nicholas A. V., Charles E. Riva, Terrie E. Taylor, et al.. (2006). Changes in optic nerve head blood flow in children with cerebral malaria and acute papilloedema. Journal of Neurology Neurosurgery & Psychiatry. 77(11). 1288–1290. 13 indexed citations

Dorner, Guido T., et al.. (2003). Hyperglycemia affects flicker-induced vasodilation in the retina of healthy subjects. Vision Research. 43(13). 1495–1500. 59 indexed citations

Buerk, Donald G., Dmitriy N. Atochin, & Charles E. Riva. (2003). Investigating the Role of Nitric Oxide in Regulating Blood Flow and Oxygen Delivery from in Vivo Electrochemical Measurements in Eye and Brain. Advances in experimental medicine and biology. 530. 359–370. 11 indexed citations

Buerk, Donald G. & Charles E. Riva. (2002). Adenosine Enhances Functional Activation of Blood Flow in Cat Optic Nerve Head during Photic Stimulation Independently from Nitric Oxide. Microvascular Research. 64(2). 254–264. 22 indexed citations

Riva, Charles E., et al.. (2002). Feasibility of LDF Measurements of Optic Nerve Head Blood Flow in Children with Cerebral Malaria. Microvascular Research. 64(2). 247–253. 2 indexed citations

Chamot, Stéphane R., Benno L. Petrig, Constantin J. Pournaras, & Charles E. Riva. (2002). Effect of isovolumic hemodilution on oxygen delivery to the optic nerve head. Klinische Monatsblätter für Augenheilkunde. 219(4). 292–295. 8 indexed citations

Logean, Eric, Benedetto Falsini, & Charles E. Riva. (2001). Effet du papillotement chromatique sur la circulation du nerf optique. Klinische Monatsblätter für Augenheilkunde. 218(5). 345–347. 3 indexed citations

10.

Logean, Eric, Leopold Schmetterer, & Charles E. Riva. (2000). Optical Doppler velocimetry at various retinal vessel depths by variation of the source coherence length. Applied Optics. 39(16). 2858–2858. 12 indexed citations

11.

Petrig, Benno L., Charles E. Riva, & Sohan Singh Hayreh. (1999). Laser Doppler flowmetry and optic nerve head blood flow. American Journal of Ophthalmology. 127(4). 413–425. 118 indexed citations

12.

Schmid, Gregor, et al.. (1998). Der tägliche axiale Augenwachstumsrhythmus in Kücken wird vom täglichen Hell-Dunkel-Zyklus beeinflußt. Klinische Monatsblätter für Augenheilkunde. 212(5). 385–387. 1 indexed citations

13.

Cranstoun, Stephen D., et al.. (1997). Continuous Measurements of Intra-Vascular pO₂in the Pig Optic Nerve Head. Klinische Monatsblätter für Augenheilkunde. 210(5). 313–315. 11 indexed citations

14.

Nishimura, Kazuo, et al.. (1996). Effects of Endothelin-1 on Optic Nerve Head Blood Flow in Cats. Journal of Ocular Pharmacology and Therapeutics. 12(1). 75–83. 25 indexed citations

15.

Shonat, Ross D., Charles E. Riva, & Benno L. Petrig. (1991). New Microscope Based LDV Camera. TuB3–TuB3. 1 indexed citations

16.

Petrig, Benno L. & Charles E. Riva. (1990). Optimal Strategy in Using the Blue Field Simulation Technique for the Measurement of Macular Blood Flow. TuA2–TuA2. 4 indexed citations

17.

Pournaras, Constantin J., Charles E. Riva, M. Tsacopoulos, & Kevin Strommer. (1989). Diffusion of O2 in the retina of anesthetized miniature pigs in normoxia and hyperoxia. Experimental Eye Research. 49(3). 347–360. 123 indexed citations

18.

Petrig, Benno L., et al.. (1988). Retinal Blood Flow Measurements Using the Blue Field Entoptic Phenomenon: Does Perceived Leukocyte Velocity Depend on Contrast and Illuminance?. 70. ThB4–ThB4. 1 indexed citations

19.

Riva, Charles E., Ralph Zuckerman, Benno L. Petrig, & Juan E. Grunwald. (1987). Noninvasive Assessment of Retinal Macular Capillary Blood Flow Regulation. WC4–WC4. 2 indexed citations

20.

Petrig, Benno L. & Charles E. Riva. (1987). Towards Computer-Assisted Clinical Retinal Laser Doppler Velocimetry. WC5–WC5.

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.

Explore authors with similar magnitude of impact