2.4(top 20%)
impact factor
3.5K(top 5%)
papers
46.9K(top 10%)
citations
67(top 10%)
h-index
2.5(top 20%)
impact factor
4.0K
all documents
48.8K
doc citations
92(top 10%)
g-index

Top Institutions (by citations)

#InstitutionArticlesCitationsR ARankR CRank
1University of Tokyo1472,454330594
2Nihon University891,5603342
3Tokyo Medical and Dental University541,55681117
4Tokyo Medical University541,1392339
5University of Yamanashi457972667
6Catholic University of Korea33776192154
7Kyoto Prefectural University of Medicine4668261147
8Shiga University of Medical Science296215581
9Kyushu University48581488887
10Kitasato University3452560113
11Sungkyunkwan University34489384656
12University of Tsukuba38481308626
13Osaka Medical College244785680
14Okayama University22454300317
15Yonsei University184531.0K953
16National Defense Medical College2241645106
17Kagoshima University4941150190
18Niigata University26400165272
19Tokyo Metropolitan Geriatric Hospital18393715
20Kanazawa University12387586418
21Osaka University253768951.2K
22Fukushima Medical University193627492
23Tottori University3135365203
24Kansai Medical University3034144153
25Tokyo Women's Medical University2234092203
26Hokkaido University143231.3K1.1K
27University of Toyama31319138367
27Taipei Veterans General Hospital13319212235
29Kyorin University163092250
30National Yang-Ming University10299429439
31Kumamoto University9293608424
32Nagoya University92831.5K1.1K
33Hyogo College of Medicine2427178209
34Samsung Medical Center18259312443
35Juntendo University2225394230
36Asahikawa Medical University102494754
37Hayashi Eye Hospital1824634
38University of the Ryukyus13243198238
38Kanazawa Medical University1924343131
40Yamagata University17236193259
41Keio University19233476789
42Kyoto University172321.8K2.3K
43Istanbul University7221985664
44Sapporo Medical University2221838166
44Chinese University of Hong Kong82181.9K1.8K
46Jikei University School of Medicine2621725185
47Seoul National University Hospital20216211408
48National Taiwan University Hospital14215287504
49Yamaguchi University18212164289
50Asahikawa Medical College1421050143
51Hong Kong Eye Hospital82071111
52Aichi Medical University1819541131
53University of Miyazaki15189165333
54Kagawa University11188158255
55University of Utah21825.1K2.5K
56Ankara University10178444524
57Tokyo Dental College131755489
58Osaka Rosai Hospital51747339
59Kindai University20168172425
60Hiroshima University131678151.2K
61Nagasaki University13166271474
62Kyushu Institute of Technology3162671273
63Gifu Pharmaceutical University2159280125
64University of Louisville11554.1K1.3K
65National Hospital Organization Okayama Medical Center71471916
66Seoul National University Bundang Hospital10146351433
67Hacettepe University10144658928
68Linkou Chang Gung Memorial Hospital11143417685
69St. Luke's International Hospital61387261
70Chiang Mai University8136438583
71Seoul National University101351.9K2.5K
72Wakayama Medical University16130112305
73Toho University11127180313
74Jichi Medical University4126484328
75Gunma University5118616516
75University of Ulsan6118528664
77Dicle University6117138145
78Shimane University8115244351
79Fukuoka University11113214452
80Louisiana State University111111.0K2.2K
80Chubu Rosai Hospital21113716
82Chiba University111097591.3K
83Kawasaki University of Medical Welfare61062225
84Asan Medical Center6104346403
85Nara Medical University11101193430
86University of Fukui998239394
87Fujita Health University896170371
88Sapienza University of Rome3953.9K3.0K
89Oita University1291187469
89National Eye Institute591157295
91National Taiwan University6902.3K2.7K
92Johns Hopkins University3884.7K4.1K
92Mahidol University10886601.5K
94University of California58610.8K10.1K
95Siriraj Hospital78490258
96Osaka City University682565723
97Seoul Veterans Hospital1808527
98University of Health Science1798711
99Chang Gung University3761.3K1.2K
99Kyoto University Hospital676171316
101Hyogo Prefectural Amagasaki Hospital4751427
102Kyungpook National University8748741.5K
103Peking University5732.7K3.1K
103İnönü University273759410
105Tohoku University7692.1K2.8K
105Matsumoto Dental University2698574
105Showa University669304501
108Ehime University568636798
109Atatürk University367917773
109Tokyo Medical University Hachioji Medical Center3673833
111Saga University765348687
111Academia Sinica2652.6K2.0K
113Weizmann Institute of Science1642.0K1.4K
114Dokkyo Medical University763108239
114Washington University School of Medicine1633.5K2.5K
116Hamamatsu University46270154
116Singapore National Eye Centre2625658
118Keimyung University1611.0K447
118Saitama Medical University561247398
120National Institute of Informatics160341153
120University of Occupational and Environmental Health Japan760314635
122United Christian Hospital35773134
122The University of Tokyo Hospital657169353
124National Institute for Basic Biology, Japan256242301
125Leonard M. Miller School of Medicine2542.1K1.9K
126Kobe University6511.0K1.7K
127Hanyang University3502.1K2.2K
127Oregon Health & Science University3501.7K2.1K
127Tokai University350918895
127Mie University650403819
127Schepens Eye Research Institute35049134
132Başkent University1491.2K554
133Qingdao University1481.7K990
133University of Molise148594465
133RIKEN1481.5K1.0K
133University of Brescia1482.5K1.7K
133Yuhuangding Hospital148228104
138University of Lausanne1473.3K2.4K
139University of Liverpool1466.2K4.2K
139Kōchi University446430621
141University of Washington5455.3K7.2K
141Hallym University345551741
141Kawasaki Medical School1456434
144University of North Carolina at Chapel Hill1435.8K4.3K
144Bascom Palmer Eye Institute143201183
146Iwate Medical University542285544
147Nagoya City University441415734
148Shahid Beheshti University of Medical Sciences2402.1K1.7K
149University of Tübingen3392.8K3.5K
150University of Buenos Aires1384.5K2.5K
150Hospital de Clínicas "José de San Martín"138292204
150Chugoku Central Hospital2381720
153University of Illinois at Chicago2374.3K4.4K
154Augusta University1361.4K993
154National Institute of Public Health336634976
156University of Adelaide2354.2K4.5K
156Tung Wah Eastern Hospital2351618
156Japanese Red Cross Medical Center63538174
156San Francisco VA Medical Center135302338
156Nara National College of Technology13511239
161Tokyo Institute of Technology3342.3K2.5K
161Shinshu University6346181.3K
163Ramathibodi Hospital433213524
164Nihon University Itabashi Hospital2323040
165Kaohsiung Medical University3319961.4K
165Hospital de Bellvitge131327348
165Ajuntament de L’Hospitalet131443472
168University of Pittsburgh2306.2K6.3K
168Chonnam National University2301.6K1.8K
168Tzu Chi University230345486
168International University of Health and Welfare330248401
172Uppsala University2294.9K5.2K
172Meijo University629226539
172Georgia Institute of Technology1294.5K3.9K
172Case Western Reserve University1295.5K4.5K
172Moorfields Eye Hospital229180260
172University of Texas System1292.4K2.1K
172Yamagata University Hospital1294841
172Aomori Prefectural Central Hospital2296377
180Heidelberg University1285.3K4.5K
180Zhejiang University2285.0K4.9K
180National Changhua University of Education128574499
180University of Maryland, Baltimore128896894
184Tokyo Teishin Hospital1279072
185University of Pennsylvania2266.9K7.3K
185University of Sydney2267.3K7.6K
185University of Bern1264.9K4.3K
185Inselspital126696743
185Peking University Third Hospital426377817
185King's College1262.5K2.3K
185City University London126618716
192University of Hong Kong2255.1K5.6K
192Baekseok University1256545
192Lariboisière Hospital125690710
192Paris Diderot University1252.2K2.1K
192Sorbonne Paris Cité University (group)1251.4K1.4K
192Assistance Publique – Hôpitaux de Paris1251.7K1.5K
198Yeditepe University124647577
198Doshisha University324460691
198University of Malaya2242.9K3.3K
198Gifu University2241.4K1.6K
198Karadeniz Technical University2241.0K1.2K
198Pamela Youde Nethersole Eastern Hospital124226273
198Canon Inc.2247297
205Severance Hospital223528614
206Mashhad University of Medical Sciences1221.8K1.5K
206Sungmo Eye Hospital222210
208University of Granada2213.4K3.8K
208University of Madras1211.2K1.0K
208Johns Hopkins Hospital1211.6K1.5K
208Turgut Özal University1218597
208Regional Institute of Ophthalmology1214140
208University of California, Los Angeles2214.0K5.3K
208Union Hospital1211.3K1.3K
215University College London1208.4K7.4K
215Radboud University Nijmegen2203.1K4.2K
215University of the Philippines120845848
218University of Southern California2196.1K7.2K
218University of São Paulo2197.4K7.1K
218Akita University219550688
218Hospital Clínico San Carlos119724733
218Yokohama City University Medical Center419165396
223Teikyo University318443922
223State University of New York Upstate Medical University1181.6K1.6K
223Manisa Celal Bayar University218509849
223Noor Eye Hospital2184059
223University of Iowa1186.5K5.9K
228Ohio State University1179.7K8.6K
228Inje University2178451.3K
228Maltepe University117156158
228Universidade Estadual Paulista2172.6K2.7K
228Navamindradhiraj University1178760
228Istanbul Bilim University117176196
228Vajira Hospital1172938
228Royal Adelaide Hospital2176481.1K
228University of Nebraska Medical Center2172.0K2.7K
228Hokkaido Institute of Public Health117113152
228Humanitas University117432451
239Ibaraki University2168571.1K
239Quaid-i-Azam University1161.5K1.5K
239RIKEN Brain Science Institute116308452
239Tehran University of Medical Sciences3162.4K3.5K
239University of Azad Jammu and Kashmir116130152
239Yamagata Prefectural Shinjo Hospital116713
239Gifu Prefectural Tajimi Hospital1168485
239Aichi Medical University Hospital21672113
239Tokyo Metropolitan Police Hospital116103116
248Miyazaki Prefectural Nursing University215511
248Vertex Pharmaceuticals115146247
248Zahedan University of Medical Sciences115495568
248University Of Zabol115385439
248Mackay Memorial Hospital215539949
248Hiroshima International University115247242
254Pusan National University3141.6K2.8K
254Kao Corporation114227284
254Tseung Kwan O Hospital1144075
254Urmia University of Medical Sciences114559570
254Cha University114834934
259Waseda University3131.7K2.9K
259Kyung Hee University2132.3K3.2K
259Yokohama City University4135741.4K
259Cardiff University1135.2K5.5K
259University of Massachusetts1135.6K5.9K
259University of Putra Malaysia1132.7K2.8K
259University of Alabama at Birmingham1134.8K5.0K
259Gaziantep University1131.1K1.2K
259University Medical Center Utrecht1132.5K2.8K
259Bülent Ecevit University113534719
259Health Sciences University of Hokkaido313161496
259Kütahya Dumlupınar University113486568
259Shahed University113614660
259St. Marianna University School of Medicine313481991
259Taipei Medical University Hospital113555739
259Tarbiat Modares University1133.0K3.1K
259Tenri Hospital113267290
259University Malaya Medical Centre113138196
259Kyungpook National University Hospital313223568
259Pasteur Institute of Iran113636809
279Rabin Medical Center112182280
279Rambam Health Care Campus112726896
279Kahramanmaraş Sütçü İmam University112558574
279Sivas Cumhuriyet University3124151.1K
279Army Medical University1121.6K1.7K
279Tohoku Bunka Gakuen University1124348
279National Institute of Agrobiological Sciences112420580
279Dong-A University Hospital112250289
279Smith-Kettlewell Eye Research Institute21271191
279Southwest Atlanta Hospital1127881.0K
289Osaka Prefecture University1111.9K2.0K
289University Hospital Zurich2111.4K2.2K
289University of Miami1115.3K5.7K
289University of Alcalá1112.3K2.5K
289Erciyes University1111.8K1.9K
294Ewha Womans University1102.3K2.7K
294Hoya Corporation1103150
294Wake Forest University1102.2K2.7K
294Tokyo University of Science1102.1K2.1K
294Beijing Tongren Hospital310275808
294Beth Israel Deaconess Medical Center1102.8K3.2K
294Capital Medical University3101.8K2.8K
294Nihon Fukushi University21036103
294Osaka Metropolitan University11010638
303Konyang University19351525
303University of Melbourne199.1K9.5K
303Dong-A University199341.3K
303National Cheng Kung University193.7K4.2K
303Hong Kong Polytechnic University194.1K4.7K
303Alexandria University291.9K3.0K
303University of Puerto Rico191.8K2.4K
303Federal University of São Paulo193.1K3.2K
303Tan Tock Seng Hospital197801.0K
303UCL Institute of Ophthalmology19245405
303University of Illinois College of Medicine394811.3K
303Wills Eye Hospital4982254
303Kaohsiung Medical University Hospital Chung-Ho Memorial Hospital191.0K1.3K
303Republic of China National Defense Medical Center191.4K1.6K
317Semmelweis University182.0K2.4K
317Umeå University183.9K4.9K
317Van Yüzüncü Yıl University285881.2K
317Sohag University18651856
317University of Iowa Hospitals and Clinics181.0K1.3K
322Chung-Ang University172.2K2.9K
322Çukurova University171.5K1.9K
322Joslin Diabetes Center17173339
322Shiraz University172.1K2.6K
322Islamic Azad University175.7K5.8K
322John Radcliffe Hospital171.6K2.1K
322Sumitomo Hospital2764229
322Kagawa Prefectural Central Hospital17125196
322Sussex Eye Hospital173146
322Korea University174.3K5.0K
332Bayer167921.2K
332University of Kitakyushu1675128
332Shandong University164.4K5.0K
332University of Zaragoza262.3K4.1K
332National University of Singapore167.7K8.6K
332Ege University162.5K3.1K
332Vision Institute1641100
332Children's Hospital of Philadelphia162.0K2.6K
332Meiji University of Integrative Medicine1652106
332Tamagawa University16233308
332Ogori Daiichi General Hospital162942
332National University Health System168631.3K
332Westmead Institute for Medical Research16232434
345University of Oxford159.7K10.9K
345Gachon University151.5K2.2K
345University of Edinburgh255.9K8.9K
345Tel Aviv University157.0K8.1K
345Marche Polytechnic University152.4K3.4K
345Tel Aviv Sourasky Medical Center159991.4K
345Tokat Gaziosmanpaşa University157081.1K
345Kanazawa Institute of Technology15412471
345Kurume University35288922
345Mitsui Memorial Hospital15219322
345Tokyo Dental College Ichikawa General Hospital3534167
345New York College of Podiatric Medicine152248
345Wenzhou Medical University258751.8K
358University of Mumbai146881.0K
358Tokyo Woman's Christian University1481132
358State University of New York146.7K8.4K
358Naresuan University146101.1K
358La Trobe University143.9K5.4K
358Gazi University142.6K3.5K
358Osmangazi University141.2K1.8K
358Kanagawa Institute of Technology14309379
358Naresuan University Hospital141021
358Mustafa Kemal University146761.2K
368University of Cincinnati135.2K7.0K
368Eulji University13528908
368Chonbuk National University131.7K2.6K
368Poznań University of Medical Sciences131.1K1.7K
368Ministry of Health133.3K4.1K
368University of Tokushima231.2K2.3K
368Peking University Health Science Center131.0K1.6K
368Kurashiki Central Hospital13366494
368Michigan Medicine133.0K3.9K
377University of Auckland126.3K8.6K
377Dalhousie University125.0K7.0K
377Aston University122.0K3.4K
377National Institute of Radiological Sciences126711.1K
377University of Texas Southwestern Medical Center123.4K4.4K
377Tsurumi University12194358
377Osaka Prefectural Institute of Public Health12170298
377Third Hospital of Hebei Medical University12114275
377University of California, San Francisco123.7K5.0K
386Kansas State University113.5K5.5K
386Akdeniz University111.7K3.0K
386Chungnam National University211.7K3.6K
386Sichuan University114.9K6.3K
386Mansoura University112.4K3.8K
386Aichi Shukutoku University1186195
386National University Hospital111.4K2.2K
386Shiraz University of Medical Sciences112.3K3.3K
386Tokyo Metropolitan Ohtsuka Hospital1154108
386Saiseikai Niigata Daini Hospital113069
386Kaohsiung Veterans General Hospital115851.1K
386Royal Liverpool University Hospital116661.2K
398University of Chicago106.7K9.5K
398Oakland University101.6K3.2K
398Hirosaki University101.1K2.0K
398Thomas Jefferson University103.0K4.8K
398Tokyo Metropolitan Neurological Hospital10124231