The graph shows the changes in the impact factor of Ophthalmologica 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 Ophthalmologica?
Ophthalmologica is the 16th out of 143 Ophthalmology journals. This means the journal is among the top 12% in the discipline of Ophthalmology. This Journal is the 1418th out of 8,993 Life Sciences journals. This means the journal is among the top 16% in the science branch of Life Sciences. This Journal is the 1547th out of 14,350 Health Sciences journals. This means the journal is among the top 11% in the science branch of Health 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.
