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. 2016 Jan 7;4:e1557. doi: 10.7717/peerj.1557

Table 3. Twenty most frequent MeSH terms retrieved in articles and not located beneath the MeSH term “Eye Diseases” in the MeSH tree.

MeSH terms Number of articles indexed with this MeSH term (%)
Visual Acuity 10,938 (17.60)
Retrospective Studies 8,333 (13.41)
Treatment Outcome 8,078 (13.00)
Follow-Up Studies 5,913 (9.52)
Tomography, Optical Coherence 5,817 (9.36)
Prospective Studies 5,264 (8.47)
Intraocular Pressure 4,185 (6.74)
Risk Factors 3,981 (6.41)
Retina 3,771 (6.07)
Disease Models Animal 3,141 (5.06)
Magnetic, Resonance Imaging 3,072 (4.94)
Diagnosis Differential 2,935 (4.72)
Fluorescein Angiography 2,923 (4.70)
Cornea 2,745 (4.42)
Postoperative Complications 2,654 (4.27)
Cross-Sectional Studies 2,390 (3.85)
Time Factors 2,295 (3.69)
Case-Control Studies 2,278 (3.67)
Visual Fields 2,201 (3.54)
Prevalence 2,177 (3.50)