Abbott RL, Zegans M, Elander TR (2004) Acanthamoeba keratitis. In: Tasman W (ed) Foundations of Duane’s clinical ophthalmology. Lippincott Williams & Wilkins, Philadelphia

Google Scholar 

Arffa RC, Grayson M (1991) Grayson's diseases of the cornea. In: St. Louis, MO (3th ed) Mosby-YearBook. http://books.google.com/books?id=CJ5sAAAAMAAJ

Sharma S, Kunimoto DY, Gopinathan U et al (2002) Evaluation of corneal scraping smear examination methods in the diagnosis of bacterial and fungal keratitis: a survey of eight years of laboratory experience. Cornea 21(7):643–647

Article  PubMed  Google Scholar 

Ficker L, Kirkness C, McCartney A et al (1991) Microbial keratitis—;the false negative. Eye 5(5):549–559

Article  PubMed  Google Scholar 

Ferrer C, Alió JL (2011) Evaluation of molecular diagnosis in fungal keratitis. Ten years of experience. J Ophthalmic Inflamm Infect 1(1):15–22

Article  CAS  PubMed  PubMed Central  Google Scholar 

Radford CF, Minassian DC, Dart JKG (2002) Acanthamoeba keratitis in England and Wales: incidence, outcome, and risk factors. Br J Ophthalmol 86(5):536–542

Article  CAS  PubMed  PubMed Central  Google Scholar 

Page MA, Mathers WD (2013) Acanthamoeba keratitis: a 12-Year experience covering a wide spectrum of presentations, diagnoses, and outcomes. J Ophthalmol 2013:670242

Article  PubMed  PubMed Central  Google Scholar 

Thebpatiphat N, Hammersmith KM, Rocha FN et al (2007) Acanthamoeba keratitis: a parasite on the rise. Cornea 26(6):701–706

Article  PubMed  Google Scholar 

Thomas PA, Geraldine P (2007) Infectious keratitis. Curr Opin Infect Dis 20(2):129–41

Article  PubMed  Google Scholar 

Thomas PA, Leck AK, Myatt M (2005) Characteristic clinical features as an aid to the diagnosis of suppurative keratitis caused by filamentous fungi. Br J Ophthalmol 89(12):1554–1558

Article  CAS  PubMed  PubMed Central  Google Scholar 

O’Day DM, Head WS (2000) Advances in the management of keratomycosis and Acanthamoeba keratitis. Cornea 19(5):681–687

Article  PubMed  Google Scholar 

Illingworth CD, Cook SD (1998) Acanthamoeba keratitis. Surv Ophthalmol 42(6):493–508

Article  CAS  PubMed  Google Scholar 

Jalbert I, Stapleton F, Papas E et al (2003) In vivo confocal microscopy of the human cornea. Br J Ophthalmol 87(2):225–236

Article  CAS  PubMed  PubMed Central  Google Scholar 

Niederer RL, McGhee CNJ (2010) Clinical in vivo confocal microscopy of the human cornea in health and disease. Prog Retin Eye Res 29(1):30–58

Article  CAS  PubMed  Google Scholar 

McInnes MDF, Moher D, Thombs BD et al (2018) Preferred reporting items for a systematic review and meta-analysis of diagnostic test accuracy studies: the PRISMA-DTA statement. JAMA 319:388–396

Article  PubMed  Google Scholar 

Whiting P, Rutjes AWS, Reitsma JB et al (2004) Sources of variation and bias in studies of diagnostic accuracy: a systematic review. Ann Intern Med 140(3):189–202

Article  PubMed  Google Scholar 

Rutter CM, Gatsonis CA (2001) A hierarchical regression approach to meta-analysis of diagnostic test accuracy evaluations. Stat Med 20(19):2865–2884

Chidambaram JD, Prajna NV, Larke NL et al (2016) Prospective study of the diagnostic accuracy of the in vivo laser scanning confocal microscope for severe microbial keratitis. Ophthalmology 123(11):2285–2293

Article  PubMed  Google Scholar 

Goh JWY, Harrison R, Hau S et al (2018) Comparison of in vivo confocal microscopy, PCR and culture of corneal scrapes in the diagnosis of acanthamoeba keratitis. Cornea 37(4):480–485

Article  PubMed  Google Scholar 

Kanavi MR, Javadi M, Yazdani S et al (2007) Sensitivity and specificity of confocal scan in the diagnosis of infectious keratitis. Cornea 26(7):782–786

Article  PubMed  Google Scholar 

Kheirkhah A, Syed ZA, Satitpitakul V et al (2017) Sensitivity and specificity of laser-scanning in vivo confocal microscopy for filamentous fungal keratitis: role of observer experience. Am J Ophthalmol 179:81–89

Article  PubMed  Google Scholar 

Kheirkhah A, Satitpitakul V, Syed ZA et al (2018) Factors influencing the diagnostic accuracy of laser-scanning in vivo confocal microscopy for Acanthamoeba keratitis. Cornea 37(7):818–823

Article  PubMed  Google Scholar 

McKelvie J, Alshiakhi M, Ziaei M et al (2018) The rising tide of Acanthamoeba keratitis in Auckland, New Zealand: a 7-year review of presentation, diagnosis and outcomes (2009–2016). Clin Exp Ophthalmol 46(6):600–607

Article  PubMed  Google Scholar 

Tu EY, Joslin CE, Sugar J et al (2008) The relative value of confocal microscopy and superficial corneal scrapings in the diagnosis of acanthamoeba keratitis. Cornea 27(7):764–772

Article  PubMed  Google Scholar 

Vaddavalli PK, Garg P, Sharma S et al (2011) Role of confocal microscopy in the diagnosis of fungal and acanthamoeba keratitis. Ophthalmology 118(1):29–35

Article  PubMed  Google Scholar 

Füst Á, Tóth J, Simon G, Imre L, Nagy ZZ (2017) Specificity of in vivo confocal cornea microscopy in Acanthamoeba keratitis. Eur J Ophthalmol 27(1):10–15

Article  PubMed  Google Scholar 

De Craene S, Knoeri J, Georgeon C, Kestelyn P, Borderie VM (2018) Assessment of confocal microscopy for the diagnosis of polymerase chain reaction-positive Acanthamoeba Keratitis: a case-control study. Ophthalmology 125(2):161–168

Article  PubMed  Google Scholar 

Hau SC, Dart JK, Vesaluoma M et al (2010) Diagnostic accuracy of microbial keratitis with in vivo scanning laser confocal microscopy. Br J Ophthalmol 94(8):982–987

Article  PubMed  Google Scholar 

Nasef MH, El Emam SY, ElShorbagy MS, Allam WA. Acanthamoeba Keratitis in Egypt: Characteristics and Treatment Outcomes. Clin Ophthalmol. 2021;15:1339–1347. Published 2021 Mar 29

Parmar DN, Awwad ST, Petroll WM, Bowman RW, McCulley JP, Cavanagh HD (2006) Tandem scanning confocal corneal microscopy in the diagnosis of suspected acanthamoeba keratitis. Ophthalmology 113(4):538–547

Article  PubMed  Google Scholar 

Mathers WD, Nelson SE, Lane JL, Wilson ME, Allen RC, Folberg R (2000) Confirmation of confocal microscopy diagnosis of Acanthamoeba keratitis using polymerase chain reaction analysis. Arch Ophthalmol 118(2):178–183

Article  CAS  PubMed  Google Scholar 

Vengayil S, Panda A, Satpathy G et al (2009) Polymerase chain reaction-guided diagnosis of mycotic keratitis: a prospective evaluation of its efficacy and limitations. Investig Ophthalmol Vis Sci 50(1):152–156

Article  Google Scholar 

Yera H, Ok V, Lee K et al (2021) PCR and culture for diagnosis of Acanthamoeba keratitis. Br J Ophthalmol 105(9):1302–1306

Article  PubMed  Google Scholar 

Zhang Y, Wang ZQ, Deng SJ et al (2019) Diagnostic value of fungal fluorescence staining on corneal scrapings for fungal keratitis. Zhonghua Yan Ke Za Zhi 55(8):601–608

CAS  PubMed  Google Scholar 

Dahlgren MA, Lingappan A, Wilhelmus KR (2007) The Clinical diagnosis of microbial keratitis. Am J Ophthalmol 143(6):940–944

Article  PubMed  PubMed Central  Google Scholar 

Abolhosseini M, Moshtaghion SM, Kanavi R, Hosseini SB (2021) A triad of microscopes for rapid and proper diagnosis of infectious keratitis. Clin Exp Optom 16:1–3

Google Scholar