4Whitcher JP. Srinivasan M, Upadhyay MP. Corneal blindness: a global perspective. Bull World Health Organ, 2001, 79: 214-221.
5Bharathi MJ. Ramakrishnan R, Vasu S, et al. Epidemiolugical characteristics and laboratory diagnosis of fungal keratitis. A three year study. Indian J Ophthalmol, 2003, 51: 315-321.
6Deng XG, Li JC, Zhu L. Laboralory diagnosis of Acanthamoeba keratitis. Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi. 2000,18: 301-304.
7Aitken D, Hay J, Kinnear FB, et al. Amebic keratitis in a wearer of disposable contact lends due to a mixed Vahlkampfia and Hartmannella infection. Ophthalmology, 1996, 103: 485-494.
8Winchester K Malhers WD, Sutphin JK. Diagonosis of acanthamoeba keratitis in vivo with confocal microscopy. Cornea. 1995, 14: 10-17.
9Kosrirukvongs P, Wanachiwanawin D, Visvesvara GS. Treatment of acanthi moeva keratitis with chlorhexidine. Ophthalmology, 1999. 106:798-802.
10Lee S, Tseng SCG. Amniolic membrane transplantation for persistenl epithelial defects with ulceration. Am J Ophthomol, 1997. 123: 303-312.
