[Analysis of the academic level and impact of ophthalmological periodicals in China].
OBJECTIVE
To analyse the whole level and impact of ophthalmological periodicals in China.


METHODS
It was studied by using bibliometrics analysis method. According to the data of CAJCCR in 2002 to 2007 and Chinese Citation Database in 2001 to 2007. The impact factor (IF), non-self-citing impact factor, total cited frequency, cited articles, immediacy index, rate of fund papers, web immediacy download rate, average value of h index were analysed and the non-self-citing rate, h(2)/n, high cited articles were calculated. In addition, the results of cited by cole databases at home and abroad.


RESULTS
The average value of IF and cited frequency of 13 kinds of ophthalmological periodicals were 0.3940 and 657 respectively in 2001 to 2006, which were higher than that of D part of CAJCCR. The periodicals which the five indexes of IF, non-self-citing impact factor, total cited frequency, the non-self-citing rate, immediacy index, rate of fund papers, web immediacy download rate, average value of h index and h(2)/n, high cited articles were Top 5 and cited by five or more than five kinds of the cole databases at home and abroad were Chinese Journal of Ophthalmology, Chinese Journal of Ocular Fundus Diseases, Practical Chinese Journal of Ophthalmology and Chinese Journal of Optometry & Ophthalmology. Most of indexes of Chinese Journal of Ophthalmology were the first.


CONCLUSIONS
There are big difference between the 13 kinds of ophthalmological periodicals. The qualities of some ophthalmological periodicals should be improved.
Xu
Xiao-quan
XQ
Editorial Office of Chinese Journal of Optometry & Ophthalmology, Wenzhou 325035, China.
Mao
Wen-ming
WM
Zheng
Jun-hai
JH
Qu
Jia
J
D015706:Bibliometrics; D002681:China; D009885:Ophthalmology; D010506:Periodicals as Topic