The graph shows the changes in the impact factor of British Journal of Ophthalmology and its the corresponding percentile for the sake of comparison with the entire literature. Impact Factor is the most common scientometric index, which is defined by the number of citations of papers in two preceding years divided by the number of papers published in those years.
How Influential is British Journal of Ophthalmology?
British Journal of Ophthalmology is the 7th out of 143 Ophthalmology journals. This means the journal is among the top 5% in the discipline of Ophthalmology. This Journal is the 705th out of 14,350 Health Sciences journals. This means the journal is among the top 5% in the science branch of Health Sciences. This Journal is the 716th out of 8,993 Life Sciences journals. This means the journal is among the top 8% in the science branch of Life Sciences.
How are inpact factors calculated?
The impact factor (IF) is calculated by counting citations from peer-reviewed journals only.
extended IF also counts citations from books and conference papers. However, no patent, abstract, working papers, online documents, etc., are covered.
