Kenneth J. Hoffer

7.8k total citations · 1 hit paper
132 papers, 5.2k citations indexed

About

Kenneth J. Hoffer is a scholar working on Ophthalmology, Radiology, Nuclear Medicine and Imaging and Epidemiology. According to data from OpenAlex, Kenneth J. Hoffer has authored 132 papers receiving a total of 5.2k indexed citations (citations by other indexed papers that have themselves been cited), including 116 papers in Ophthalmology, 112 papers in Radiology, Nuclear Medicine and Imaging and 100 papers in Epidemiology. Recurrent topics in Kenneth J. Hoffer's work include Corneal surgery and disorders (107 papers), Ophthalmology and Visual Impairment Studies (98 papers) and Intraocular Surgery and Lenses (78 papers). Kenneth J. Hoffer is often cited by papers focused on Corneal surgery and disorders (107 papers), Ophthalmology and Visual Impairment Studies (98 papers) and Intraocular Surgery and Lenses (78 papers). Kenneth J. Hoffer collaborates with scholars based in United States, Italy and Saudi Arabia. Kenneth J. Hoffer's co-authors include Giacomo Savini, Piero Barboni, Michele Carbonelli, Domenico Schiano‐Lomoriello, John H. Shammas, Pietro Ducoli, Leonardo Taroni, H. John Shammas, Jinhai Huang and Manus C. Kraff and has published in prestigious journals such as PLoS ONE, Scientific Reports and Ophthalmology.

In The Last Decade

Kenneth J. Hoffer

125 papers receiving 4.7k 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.

The Hoffer Q formula: A comparison of theoretic and regression formulas

1993 636 citations Kenneth J. Hoffer Journal of Cataract & Refractive Surgery profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Kenneth J. Hoffer	4.8k	4.6k	4.2k	446	168	132	5.2k
Ramin Khoramnia	2.5k 0.5×	2.9k 0.6×	1.6k 0.4×	374 0.8×	98 0.6×	294	3.3k
Michael Mrochen	4.1k 0.9×	2.9k 0.6×	2.0k 0.5×	993 2.2×	101 0.6×	98	4.3k
Marine Gobbé	3.5k 0.7×	2.5k 0.5×	1.5k 0.4×	1.2k 2.6×	102 0.6×	74	3.7k
José L. Güell	3.3k 0.7×	2.6k 0.6×	1.1k 0.3×	1.0k 2.4×	56 0.3×	118	3.7k
José F. Alfonso	3.3k 0.7×	3.0k 0.6×	2.3k 0.6×	592 1.3×	34 0.2×	144	3.8k
Scott MacRae	1.8k 0.4×	1.5k 0.3×	1.2k 0.3×	425 1.0×	77 0.5×	70	2.2k
Daniel S. Durrie	2.6k 0.5×	1.9k 0.4×	1.2k 0.3×	698 1.6×	32 0.2×	82	2.8k
Steven C. Schallhorn	2.1k 0.4×	1.9k 0.4×	1.3k 0.3×	496 1.1×	25 0.1×	87	2.4k
David O’Brart	4.1k 0.9×	3.0k 0.6×	1.2k 0.3×	1.5k 3.4×	43 0.3×	137	4.6k

Countries citing papers authored by Kenneth J. Hoffer

Since Specialization

Citations

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

Fields of papers citing papers by Kenneth J. Hoffer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kenneth J. Hoffer

This figure shows the co-authorship network connecting the top 25 collaborators of Kenneth J. Hoffer. A scholar is included among the top collaborators of Kenneth J. Hoffer 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 Kenneth J. Hoffer. Kenneth J. Hoffer 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

Savini, Giacomo, Seth Pantanelli, Kenneth J. Hoffer, et al.. (2025). Which Test Is Best: Evaluation of Traditional and Contemporary Statistical Tests for Analysis of Spherical Equivalent Prediction Error. American Journal of Ophthalmology. 273. 33–42. 1 indexed citations

Savini, Giacomo, et al.. (2025). Theoretical influence of segmented axial length on intraocular lens power calculation in short eyes. Journal of Cataract & Refractive Surgery. 51(10). 839–844.

Hoffer, Kenneth J., et al.. (2025). IOL Power Calculation Project: Accuracy of 36 Formulas. American Journal of Ophthalmology. 277. 45–56.

Hoffer, Kenneth J., et al.. (2025). Comparison of Posterior Corneal Curvature Measurements by Four Different Tomographers. Journal of Refractive Surgery. 41(12). e1330–e1338.

Abulafia, Adi Shacham, David Zadok, Thomas Kohnen, et al.. (2024). Spherical equivalent prediction analysis in intraocular lens power calculations using Eyetemis: a comprehensive approach. Journal of Cataract & Refractive Surgery. 50(11). 1128–1134. 11 indexed citations

Whang, Woong-Joo, et al.. (2024). Comparison of intraocular lens power formulas for negative diopter intraocular lens implantation for high myopia. Journal of Cataract & Refractive Surgery. 51(2). 119–125. 2 indexed citations

Wendelstein, Jascha, Peter Hoffmann, Kenneth J. Hoffer, et al.. (2023). Differences Between Keratometry and Total Keratometry Measurements in a Large Dataset Obtained With a Modern Swept Source Optical Coherence Tomography Biometer. American Journal of Ophthalmology. 260. 102–114. 8 indexed citations

Galvis, Virgilio, et al.. (2023). Accuracy of Haigis Formula Using Total Keratometry for IOL Power Calculation in Eyes with Previous Myopic and Hyperopic LASIK and PRK. Photonics. 10(6). 624–624. 2 indexed citations

Savini, Giacomo, Kenneth J. Hoffer, Filomena Ribeiro, et al.. (2022). Intraocular lens power calculation with ray tracing based on AS-OCT and adjusted axial length after myopic excimer laser surgery. Journal of Cataract & Refractive Surgery. 48(8). 947–953. 10 indexed citations

10.

Kanclerz, Piotr, et al.. (2022). Optical Biometry and IOL Calculation in a Commercially Available Optical Coherence Tomography Device and Comparison With Pentacam AXL. American Journal of Ophthalmology. 246. 236–241. 5 indexed citations

11.

Hoffer, Kenneth J., et al.. (2021). Color LED reflection topography: validation of equivalent keratometry reading for IOL power calculation in eyes with previous corneal myopic refractive surgery. Journal of Cataract & Refractive Surgery. 48(1). 32–36. 1 indexed citations

12.

Schiano‐Lomoriello, Domenico, Kenneth J. Hoffer, Irene Abicca, & Giacomo Savini. (2021). Repeatability of automated measurements by a new anterior segment optical coherence tomographer and biometer and agreement with standard devices. Scientific Reports. 11(1). 983–983. 43 indexed citations

13.

Savini, Giacomo, Leonardo Taroni, Domenico Schiano‐Lomoriello, & Kenneth J. Hoffer. (2020). Repeatability of total Keratometry and standard Keratometry by the IOLMaster 700 and comparison to total corneal astigmatism by Scheimpflug imaging. Eye. 35(1). 307–315. 42 indexed citations

14.

Savini, Giacomo, Kenneth J. Hoffer, Kristian Næser, et al.. (2020). Comparison of 13 formulas for IOL power calculation with measurements from partial coherence interferometry. British Journal of Ophthalmology. 105(4). 484–489. 52 indexed citations

15.

Savini, Giacomo, et al.. (2019). Intraocular lens power calculation in eyes with keratoconus. Journal of Cataract & Refractive Surgery. 45(5). 576–581. 45 indexed citations

16.

Savini, Giacomo, Kenneth J. Hoffer, Domenico Schiano‐Lomoriello, & Pietro Ducoli. (2016). Estimating the Preoperative Corneal Power With Scheimpflug Imaging in Eyes That Have Undergone Myopic LASIK. Journal of Refractive Surgery. 32(5). 332–336. 8 indexed citations

17.

Hoffer, Kenneth J. & Giacomo Savini. (2015). Anterior chamber depth studies. Journal of Cataract & Refractive Surgery. 41(9). 1898–1904. 18 indexed citations

18.

Savini, Giacomo, et al.. (2013). Intraocular Lens Power Calculation by Ray-Tracing after Myopic Excimer Laser Surgery. American Journal of Ophthalmology. 157(1). 150–153.e1. 46 indexed citations

19.

Savini, Giacomo, et al.. (2011). Comparison of anterior segment measurements by 3 Scheimpflug tomographers and 1 Placido corneal topographer. Journal of Cataract & Refractive Surgery. 37(9). 1679–1685. 80 indexed citations

20.

Savini, Giacomo, Piero Barboni, Michele Carbonelli, & Kenneth J. Hoffer. (2009). Agreement Between Pentacam and Videokeratography in Corneal Power Assessment. Journal of Refractive Surgery. 25(6). 534–538. 58 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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