César Villa-Collar

4.3k total citations · 1 hit paper
139 papers, 2.9k citations indexed

About

César Villa-Collar is a scholar working on Radiology, Nuclear Medicine and Imaging, Epidemiology and Ophthalmology. According to data from OpenAlex, César Villa-Collar has authored 139 papers receiving a total of 2.9k indexed citations (citations by other indexed papers that have themselves been cited), including 99 papers in Radiology, Nuclear Medicine and Imaging, 89 papers in Epidemiology and 74 papers in Ophthalmology. Recurrent topics in César Villa-Collar's work include Corneal surgery and disorders (92 papers), Ophthalmology and Visual Impairment Studies (89 papers) and Ocular Surface and Contact Lens (44 papers). César Villa-Collar is often cited by papers focused on Corneal surgery and disorders (92 papers), Ophthalmology and Visual Impairment Studies (89 papers) and Ocular Surface and Contact Lens (44 papers). César Villa-Collar collaborates with scholars based in Spain, Portugal and United Kingdom. César Villa-Collar's co-authors include Ramón Gutiérrez-Ortega, Jacinto Santodomingo‐Rubido, Jose Manuel González‐Méijome, Bernard Gilmartin, António Queirós, Cristina Álvarez-Peregrina, Jorge Jorge, Miguel Ángel Sánchez‐Tena, Gonzalo Carracedo and Asaki Suzaki and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Scientific Reports.

In The Last Decade

César Villa-Collar

127 papers receiving 2.8k citations

Hit Papers

Keratoconus: An updated review 2022 2026 2023 2024 2022 100 200 300
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.

  1. Keratoconus: An updated review
    2022 361 citations Jacinto Santodomingo‐Rubido, Gonzalo Carracedo et al. Contact Lens and Anterior Eye profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
César Villa-Collar Spain 29 2.5k 2.1k 1.4k 1.1k 108 139 2.9k
Jeffrey J. Walline United States 33 3.2k 1.3× 3.2k 1.6× 1.9k 1.4× 1.4k 1.3× 176 1.6× 88 4.0k
Lisa A. Jones‐Jordan United States 22 1.8k 0.7× 1.8k 0.9× 1.2k 0.9× 668 0.6× 135 1.3× 53 2.2k
Ramón Gutiérrez-Ortega Spain 26 1.8k 0.7× 1.6k 0.8× 1.0k 0.7× 684 0.6× 88 0.8× 59 2.1k
Shi‐Ming Li China 26 1.7k 0.7× 1.7k 0.8× 1.4k 1.0× 230 0.2× 114 1.1× 94 2.1k
Robert N. Kleinstein United States 21 2.1k 0.9× 2.3k 1.1× 1.6k 1.2× 259 0.2× 240 2.2× 43 2.7k
Ka Wai Kam Hong Kong 20 1.2k 0.5× 1.0k 0.5× 990 0.7× 289 0.3× 41 0.4× 92 1.6k
Marjorie Rah United States 20 930 0.4× 821 0.4× 509 0.4× 663 0.6× 47 0.4× 48 1.3k
Steven C. Schallhorn United States 29 2.1k 0.9× 1.3k 0.6× 1.9k 1.4× 496 0.5× 33 0.3× 87 2.4k
Shehzad A. Naroo United Kingdom 27 1.5k 0.6× 1.2k 0.6× 1.4k 1.0× 731 0.7× 127 1.2× 108 2.3k

Countries citing papers authored by César Villa-Collar

Since Specialization
Citations

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

Fields of papers citing papers by César Villa-Collar

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by César Villa-Collar. 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 César Villa-Collar. The network helps show where César Villa-Collar may publish in the future.

Co-authorship network of co-authors of César Villa-Collar

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

All Works

20 of 20 papers shown
1.
Martínez-Pérez, Clara, et al.. (2025). European trends in attitudes and strategies for myopia management in clinical practice. Contact Lens and Anterior Eye. 48(4). 102390–102390. 4 indexed citations
2.
Martínez-Pérez, Clara, Miguel Ángel Sánchez‐Tena, José‐María Sánchez‐González, César Villa-Collar, & Cristina Álvarez-Peregrina. (2025). Influence of outdoor time on the spherical equivalent and axial length in childhood myopia: A meta‐analysis. Acta Ophthalmologica. 103(8). 864–878. 1 indexed citations
3.
Sánchez‐Tena, Miguel Ángel, César Villa-Collar, Alicia Ruiz‐Pomeda, et al.. (2024). Effectiveness of a Spectacle Lens with a Specific Asymmetric Myopic Peripheral Defocus: 12-Month Results in a Spanish Population. Children. 11(2). 177–177. 3 indexed citations
4.
Martínez-Pérez, Clara, et al.. (2024). Corneal higher-order aberrations in different types of irregular cornea. Journal of Optometry. 17(4). 100522–100522. 2 indexed citations
5.
Serramito, María, et al.. (2022). Corneal Confocal Analysis after Scleral Lens Wear in Keratoconus Patients: A Pilot Study. Optometry and Vision Science. 99(11). 800–806. 2 indexed citations
6.
Martínez-Pérez, Clara, et al.. (2022). Opportunities and threats to contact lens practice in Spain. Journal of Optometry. 16(2). 116–127. 1 indexed citations
7.
Ruiz‐Pomeda, Alicia, et al.. (2021). Rebound Effect in the Misight Assessment Study Spain (Mass). Current Eye Research. 46(8). 1223–1226. 18 indexed citations
8.
Álvarez-Peregrina, Cristina, Israel J. Thuissard, C. Catalina-Romero, et al.. (2020). Description of the epidemiological characteristics of work-related eye injuries in Spain: a retrospective study. BMJ Open. 10(10). e035696–e035696. 11 indexed citations
9.
Álvarez-Peregrina, Cristina, Miguel Ángel Sánchez‐Tena, Clara Martínez-Pérez, & César Villa-Collar. (2020). The Relationship Between Screen and Outdoor Time With Rates of Myopia in Spanish Children. Frontiers in Public Health. 8. 560378–560378. 55 indexed citations
10.
Queirós, António, César Villa-Collar, Ana Amorim‐de‐Sousa, et al.. (2018). Corneal morphology and visual outcomes in LASIK patients after orthokeratology: A pilot study. Contact Lens and Anterior Eye. 41(6). 507–512. 5 indexed citations
11.
Ruiz‐Pomeda, Alicia, et al.. (2018). Light disturbance analysis in the controlled randomized clinical trial MiSight® Assessment Study Spain (MASS). Contact Lens and Anterior Eye. 42(2). 200–205. 19 indexed citations
12.
Villa-Collar, César. (2018). Milestones in the development of Spanish optometry. Journal of Optometry. 11(3). 133–134. 1 indexed citations
13.
Gutiérrez-Ortega, Ramón, et al.. (2013). Correction of negative dysphotopsia in Crystalens “Z syndrome”. Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT). 4(2). 101–104. 1 indexed citations
14.
Gutiérrez-Ortega, Ramón, et al.. (2012). Corneal Transparency After Cross-linking for Keratoconus: 1-Year Follow-up. Journal of Refractive Surgery. 28(11). 781–786. 74 indexed citations
15.
Queirós, António, César Villa-Collar, Ramón Gutiérrez-Ortega, Jorge Jorge, & Jose Manuel González‐Méijome. (2012). Quality of Life of Myopic Subjects With Different Methods of Visual Correction Using the NEI RQL-42 Questionnaire. Eye & Contact Lens Science & Clinical Practice. 38(2). 116–121. 48 indexed citations
16.
González‐Méijome, Jose Manuel, César Villa-Collar, & Nery García‐Porta. (2010). Actualización en ortoqueratología: teoría y práctica de la terapia refractiva corneal moderna.. 36–47.
17.
Villa-Collar, César & Jose Manuel González‐Méijome. (2009). El queratocono y su tratamiento. 16–22.
18.
Nieto-Bona, Amelia, et al.. (2009). Ortoqueratología nocturna: Calidad óptica y satisfacción a los 6 meses de uso. 9(439). 18–26.
19.
González‐Méijome, Jose Manuel & César Villa-Collar. (2007). Hidrogeles de Silicona:: qué son, cómo los usamos y qué podemos esperar de ellos (y II).. 44(415). 10–21. 2 indexed citations
20.
Jorge, Jorge, Jose Manuel González‐Méijome, & César Villa-Collar. (2006). Lentes de contacto y progresión de la miopía. 13(1). 17–32.

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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