H Littmann

536 total citations · 1 hit paper
15 papers, 438 citations indexed

About

H Littmann is a scholar working on Ophthalmology, Radiology, Nuclear Medicine and Imaging and Biomedical Engineering. According to data from OpenAlex, H Littmann has authored 15 papers receiving a total of 438 indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Ophthalmology, 4 papers in Radiology, Nuclear Medicine and Imaging and 4 papers in Biomedical Engineering. Recurrent topics in H Littmann's work include Anatomy and Medical Technology (3 papers), Digital Imaging in Medicine (2 papers) and Retinal and Macular Surgery (2 papers). H Littmann is often cited by papers focused on Anatomy and Medical Technology (3 papers), Digital Imaging in Medicine (2 papers) and Retinal and Macular Surgery (2 papers). H Littmann collaborates with scholars based in Germany. H Littmann's co-authors include J Barraquer, Joaquı́n Barraquer and G Meyer-Schwickerath and has published in prestigious journals such as American Journal of Ophthalmology, Graefe s Archive for Clinical and Experimental Ophthalmology and Ophthalmologica.

In The Last Decade

H Littmann

9 papers receiving 415 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.

Zur Bestimmung der wahren Größe eines Objektes auf dem Hintergrund des lebenden Auges

1982 417 citations H Littmann Klinische Monatsblätter für Augenheilkunde profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
H Littmann Germany	3	410	309	68	48	37	15	438
Anselm E. Gründler Germany	12	534 1.3×	370 1.2×	44 0.6×	72 1.5×	18 0.5×	13	554
Valerie Garden United States	6	456 1.1×	358 1.2×	30 0.4×	45 0.9×	46 1.2×	8	470
William van Herick United States	3	310 0.8×	224 0.7×	45 0.7×	55 1.1×	11 0.3×	3	341
Albert Dichtl Germany	10	579 1.4×	406 1.3×	44 0.6×	73 1.5×	53 1.4×	12	596
Marc Weitzman United States	10	440 1.1×	280 0.9×	48 0.7×	69 1.4×	12 0.3×	12	461
Ruthanne B. Simmons United States	9	401 1.0×	231 0.7×	21 0.3×	41 0.9×	53 1.4×	13	452
H Uchida Japan	8	434 1.1×	340 1.1×	14 0.2×	42 0.9×	27 0.7×	21	448
C B James United Kingdom	9	319 0.8×	164 0.5×	47 0.7×	59 1.2×	16 0.4×	12	366
Ritu Gadia India	10	452 1.1×	347 1.1×	58 0.9×	69 1.4×	71 1.9×	16	537
Martha Tjon-Fo-Sang Netherlands	10	487 1.2×	411 1.3×	101 1.5×	39 0.8×	35 0.9×	14	533

Countries citing papers authored by H Littmann

Since Specialization

Citations

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

Fields of papers citing papers by H Littmann

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by H Littmann. 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 H Littmann. The network helps show where H Littmann may publish in the future.

Co-authorship network of co-authors of H Littmann

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

All Works

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15 of 15 papers shown

1.

Littmann, H. (2014). [Basic principles of ophthalmometry].. PubMed. 151(3-4). 249–74.

2.

Littmann, H. (1982). Zur Bestimmung der wahren Größe eines Objektes auf dem Hintergrund des lebenden Auges. Klinische Monatsblätter für Augenheilkunde. 180(4). 286–289. 417 indexed citations breakdown →

3.

Meyer-Schwickerath, G, et al.. (1978). [Experience with the new photocoagulator (Zeiss) (author's transl)].. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 173(6). 875–9.

4.

Littmann, H. (1977). [A schematic fundus completing Gullstrand's schematic eye (author's transl)].. PubMed. 170(1). 59–63. 1 indexed citations

5.

Littmann, H. (1970). [Two new motorized surgical microscopes with physiologically adapted control of magnification].. PubMed. 157(1). 61–5. 3 indexed citations

6.

Barraquer, Joaquı́n & H Littmann. (1969). Cinematography of Ophthalmic Microsurgical Procedures. American Journal of Ophthalmology. 67(2). 218–223.

7.

Littmann, H, et al.. (1969). Das Zeiss-Filmmikroskop nach Barraquer. Ophthalmologica. 158(4). 310–319. 1 indexed citations

8.

Littmann, H. (1968). [A new motor-powered surgical microscope for microsurgery of the eye].. PubMed. 153(1). 99–106. 1 indexed citations

9.

Littmann, H. (1967). [Optical principles of ophthalmoscopy].. PubMed. 72. 11–23. 2 indexed citations

10.

Barraquer, J, et al.. (1967). Ein besonders geeignetes Operationsmikroskop für die Augenchirurgie. Ophthalmologica. 154(5). 483–496. 2 indexed citations

11.

Littmann, H. (1954). �ber eine bisher nicht beachtete Art von Hornhaut-Astigmatismus. Graefe s Archive for Clinical and Experimental Ophthalmology. 154(6). 603–616.

12.

Littmann, H. (1954). [A new surgical microscope].. PubMed. 124(4). 473–6. 2 indexed citations

13.

Littmann, H. (1953). A New Ophthalmometer. American Journal of Ophthalmology. 36(11). 1540–1545. 1 indexed citations

14.

Littmann, H. (1953). Bemerkungen zum Zei�-Opton Spaltlampenger�t. Graefe s Archive for Clinical and Experimental Ophthalmology. 153(5-6). 553–556. 1 indexed citations

15.

Littmann, H. (1951). Grundlegende Betrachtungen zur Ophthalmometrie. Graefe s Archive for Clinical and Experimental Ophthalmology. 151(3-4). 249–274. 7 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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