References
- Althomali T, Al-Qurashi I, Al-Thagafi S, Mohammed A, Almalki M. Prevalence of keratoconus among patients seeking laser vision correction in Taif area of Saudi Arabia. Saudi J Ophthalmol. 2018; 32:114–8.
- Jonas J, Nangia V, Matin A, Kulkarni M, Bhojwani K. Prevalence and associations of keratoconus in rural Maharashtra in central India: the central India eye and medical study. Am J Ophthalmol. 2009; 148:760–5.
- Millodot M, Shneor E, Albou S, Atlani E, Gordon-Shaag A. Prevalence and associated factors of keratoconus in Jerusalem: a cross-sectional study. Ophthalmic Epidemiol. 2011; 18:91–7.
- Xu L, Wang Y, Guo Y, You Q, Jonas J. Prevalence and associations of steep cornea/keratoconus in Greater Beijing. the Beijing eye study. PLoS One. 2012; 7:e39313. doi: 10.1371/journal.pone.0039313
- Gorskova EN. Sevost’ianov EN. Epidemiology of keratoconus in the Urals. Vestn Oftalmol. 1998; 114:38–40.
- Hashemi H, Beiranvand A, Khabazkhoob M, Asgari S, Emamian MH, Shariati M, Fotouhi A. Prevalence of keratoconus in a population-based study in Shahroud. Cornea. 2013; 32:1441–5.
- Hashemi H, Khabazkhoob M, Yazdani N, Ostadimoghaddam H, Norouzirad R, Amanzadeh K, et al. The prevalence of keratoconus in a young population in Mashhad, Iran. Ophthalmic Physiol Opt. 2014; 34:519–27.
- Kennedy R, Bourne W, Dyer J. A 48-year clinical and epidemiologic study of keratoconus. Am J Ophthalmol. 1986; 101:267–73.
- Ljubic A. Keratoconus and its prevalence in macedonia. Maced J Med Sci. 2009; 2:58–62.
- Pearson A, Soneji B, Sarvananthan N, Sandford-Smith J. Does ethnic origin influence the incidence or severity of keratoconus? Eye (Lond). 2000; 14:625–8.
- Shneor E, Millodot M, Gordon-Shaag A, Essa M, Anton M, Barbara R, Barbara A. Prevalence of keratoconus among young Arab students in Israel. Int J Keratoconus Ectatic Corneal Dis. 2014; 3:9. doi: 10.5005/jp-journals-10025-1070
- Waked N, Fayad AM, Fadlallah A, El Rami H. Keratoconus screening in a Lebanese students’ population. J Fr Ophtalmol. 2012; 35:23–9.
- Gordon-Shaag A, Millodot M, Shneor E. The epidemiology and etiology of keratoconus. Int J Keratoconus Ectatic Corneal Dis. 2012; 1:7–15.
- McMonnies C. Screening for keratoconus suspects among candidates for refractive surgery. Clin Exp Optom. 2014; 97:492–8.
- Vandenbroucke JP, von Elm E, Altman DG, Gøtzsche PC, Mulrow CD, Pocock SJ, et al. Strengthening the Reporting of Observational Studies in Epidemiology (STROBE): explanation and elaboration. PLoS Med. 2007; 4:e297. doi: 10.1371/journal.pmed.0040297
- Benchimol EI, Smeeth L, Guttmann A, Harron K, Moher D, Petersen I, et al. The REporting of studies Conducted using Observational Routinely-collected health Data (RECORD) statement. PLoS Med. 2015; 12:e1001885. doi: 10.1371/journal.pmed.1001885
- Belin MW, Ambrósio R. Scheimpflug imaging for keratoconus and ectatic disease. Indian J of Ophthalmol. 2013; 61:401–6.
- Ruiseñor Vázquez PR, Galletti JD, Minguez N, Delrivo M, Fuentes Bonthoux F, Pförtner T, Galletti JG. Pentacam scheimpflug tomography findings in topographically normal patients and subclinical keratoconus cases. Am J Ophthalmol. 2014; 158:32–40.e2.
- Villavicencio OF, Gilani F, Henriquez MA, Izquierdo Jr L, Ambrosio Jr RR, Belin MW. Independent population validation of the Belin/Ambrósio enhanced ectasia display: implications for keratoconus studies and screening. Int J Keratoconus Ectatic Corneal Dis. 2014; 3:1. doi: 10.5005/jp-journals-10025-1069
- Ziaei H, Jafarinasab MR, Javadi MA, Karimian F, Poorsalman H, Mahdavi M, et al. Epidemiology of keratoconus in an Iranian population. Cornea. 2012; 31:1044–7.
- Hashemi H, Heydarian S, Yekta A, Ostadimoghaddam H, Aghamirsalim M, Derakhshan A, Khabazkhoob M. High prevalence and familial aggregation of keratoconus in an Iranian rural population: a population-based study. Ophthalmic Physiol Opt. 2018; 38:447–55.
- Farhood Q. Prevalence of refractive errors in patients with keratoconus among sample of Iraqi population. J Ophthalmol. 2017; 2. doi: 10.23880/OAJO-16000134
- Nielsen K, Hjortdal J, Aagaard Nohr E, Ehlers N. Incidence and prevalence of keratoconus in Denmark. Acta Ophthalmol Scand. 2007; 85:890–2.
- Godefrooij D, de Wit G, Uiterwaal C, Imhof S, Wisse R. Age-specific incidence and prevalence of keratoconus: a nationwide registration study. Am J Ophthalmol. 2017; 175:169–72.
- Hwang S, Lim D, Chung T. Prevalence and incidence of keratoconus in South Korea: a nationwide population-based study. Am J Ophthalmol. 2018; 192:56–64.
- Serdarogullari H, Tetikoglu M, Karahan H, Altin F, Elcioglu M. Prevalence of keratoconus and subclinical keratoconus in subjects with astigmatism using pentacam derived parameters. J Ophthalmic Vis Res. 2013; 8:213–9.
- Wilson SE, Klyce SD. Screening for corneal topographic abnormalities before refractive surgery. Ophthalmol. 1994;101(1):147–52. doi:10.1016/s0161-6420(94)31372-8
- Shamshad S. Prevalence of consanguinity in Muslim community – a review. Int J Sci Res. 2015; 4:2203–7.
- Valdez-García JE, Sepúlveda R, Salazar-Martínez JJ, Lozano-Ramírez JF. Prevalence of keratoconus in an adolescent population. Revista Mexicana de Oftalmología. 2014; 88:95–8.
- Reeves S, Ellwein L, Kim T, Constantine R, Lee P. Keratoconus in the medicare population. Cornea. 2009; 28:40–2.
- Vazirani J, Basu S. Keratoconus: current perspectives. Clin Ophthalmol. 2013; 7:2019–30.
- Assiri A. Yousuf BI. Quantock AJ. Murphy PJ. Incidence and severity of keratoconus in Asir province, Saudi Arabia. Br J Ophthalmol. 2005; 89:1403–6.
- Saini J, Saroha V, Singh P, Sukhija J, Jain A. Keratoconus in Asian eyes at a tertiary eye care facility. Clin Exp Optom. 2004; 87:97–101.
- Elbedewy HA, Wasfy TE, Soliman SS, Sabry MM, Awara AM, El Emam SY, et al. Prevalence and topographical characteristics of keratoconus in patients with refractive errors in the Egyptian delta. Int Ophthalmol. 2019; 39:1459–65.
- Pobelle-Frasson C, Velou S, Huslin V, Massicault B, Colin J. Keratoconus: what happens with older patients? J Fr Ophtalmol. 2004; 27:779–82.
- Cruz-Becerril A, Valdivia A, Peralta R, Dominguez-Fernandez R, Castro-Reyes M. Prevalence of refractive errors in Mexican patients with keratoconus. Clin Optom. 2015; 7:39–44
- Shanti Y, Beshtawi I, Zyoud S, Abu-Samra A, Abu-Qamar A, Barakat R, Shehada R. Characteristics of keratoconic patients at two main eye centres in Palestine: a cross-sectional study. BMC Ophthalmol. 2018; 18:95. doi: 10.1186/s12886-018-0762-x
- Mohd-Ali B, Abdu M, Yaw C, Mohidin N. Clinical characteristics of keratoconus patients in Malaysia: a review from a cornea specialist centre. J Optom. 2012; 5:38–42.