6Ang M, Li X, Wong W,et al. Prevalence of and Racial Differences in Pterygium. Ophthalmology 2012 , 119 ( 8 ) : 1509-1515.
7Massaoutis P, Khemka S, Ayliffe W. Clinical outcome study of a modified surgical technique for pterygium excision. Can J Ophthalmol 2006 ,41 ( 6 ) :704-708.
8Ward KW.Superficial punctate fluorescein staining of the ocular surface[J].Optom Vis Sci,2008,85(1):8-16.
9Heindl LM,Pterygium CC.Etiology,clinical aspects and novel adjuvant therapies[J].Ophthalmologe,2010,107(6):517-520.
10Seifert P,Eckefl J,Spimnas M.Topological-histological investigation of the pterygium[J].Graefes Arch Clin Exp Ophthalmol,2001,239(4):288-293.
