[1. Eye Bank Association of America. 2007 Eye Banking Statistical Report. Washington, DC: Eye Bank Association of America.]Search in Google Scholar
[2. Liu E, Slomovic AR. Indications for penetrating keratoplasty in Canada, 1986-1995. Cornea. 1997; 16: 414-9.10.1097/00003226-199707000-00007]Search in Google Scholar
[3. Stephen JD , Kathy YC, Allan RS .Indications for penetrating keratoplasty in a tertiary referral centre in Canada, 1996-2004. Can J Ophthalmol. 2007; 42:244-50.]Search in Google Scholar
[4. Dobbins KR, Price FW Jr, Whitson WE. Trends in the indications for penetrating keratoplasty in the midwestern United States. Cornea. 2000; 19:813-6.10.1097/00003226-200011000-0001011095055]Open DOISearch in Google Scholar
[5. Al-Towerki AE, Gonnah el-S, Al-Rajhi A, Wagoner MD. Changing indications for corneal transplantation at the King Khaled Eye Specialist Hospital (1983-2002). Cornea. 2004; 23:584-8.10.1097/01.ico.0000121708.58571.5b15256997]Search in Google Scholar
[6. Al-Yousuf N, Mavrikakis I, Mavrikakis E, Daya SM. Penetrating keratoplasty: Indications over a 10 year period. Br J Ophthalmol. 2004; 88:998-1001.10.1136/bjo.2003.031948177226015258012]Open DOISearch in Google Scholar
[7. Chaidaroon W, Ausayakhun S, Ngamtiphakorn S, PrasitsilpJ.Clinical indications for penetrating keratoplasty in MaharajNakorn Chiang Mai Hospital, 1996-1999. J Med Assoc Thai. 2003; 86:206-11.]Search in Google Scholar
[8. Cosar CB, Sridhar MS, Cohen EJ, et al. Indications for penetrating keratoplasty and associated procedures, 1996-2000.Cornea. 2002; 21:148-51.10.1097/00003226-200203000-0000311862083]Open DOISearch in Google Scholar
[9. Edwards M, Clover GM, Brookes N, Pendergrast D, Chaulk J, McGhee CN. Indications for corneal transplantation in New Zealand: 1991-1999. Cornea. 2002; 21:152-5.10.1097/00003226-200203000-0000411862084]Search in Google Scholar
[10. Chen WL, Hu FR, Wang IJ. Changing indications for penetrating keratoplasty in Taiwan from 1987 to 1999. Cornea. 2001; 20:141-4.10.1097/00003226-200103000-0000411248815]Open DOISearch in Google Scholar
[11. Chan CM, Wong TY, Yeong SM, Lim TH, Tan DT. Penetrating keratoplasty in the Singapore National Eye Centre and donor cornea acquisition in the Singapore Eye Bank. Ann Acad Med Singapore. 1997; 26: 395-400.]Search in Google Scholar
[12. Dandona L, Ragu K, Janarthanan M, Naduvilath TJ, Shenoy ,Rao GN. Indications for penetrating keratoplasty in India.Indian J Ophthalmol. 1997; 45: 163-8.]Search in Google Scholar
[13. Xie LB , Song ZA , Zhao JA , Shi WA, Wang FA. Indications for penetrating keratoplasty in north China. Cornea. 2007; 26:1070-3.10.1097/ICO.0b013e318093de0717893536]Open DOISearch in Google Scholar
[14. Wong TY, Chan C, Lim L, Lim TH, Tan DT. Changing indications for penetrating keratoplasty: a newly developed country’s experience. Aust NZ J Ophthalmol. 1997; 25:145-50.10.1111/j.1442-9071.1997.tb01296.x9267601]Open DOISearch in Google Scholar
[15. Boonpasart S, Kasetsuwan N, Pariyakanok L, Jittpoonkusol T. Infectious keratitis at King Chulalongkorn Memorial Hospital: a 12-year retrospective study of 391 cases. J Med Assoc Thai. 2002; 85:217-30. ]Search in Google Scholar