Analysis of Scheimpflug Tomography Parameters for Detecting Subclinical Keratoconus in the Fellow Eyes of Patients with Unilateral Keratoconus in the Eastern Province of Saudi Arabia

References

• Mas Tur V, MacGregor C, Jayaswal R, O’Brart D, Maycock N. A review of keratoconus: diagnosis, pathophysiology, and genetics. Surv Ophthalmol. 2017;62(6):770–783. doi:10.1016/j.survophthal.2017.06.009
   PubMed Web of Science ®Google Scholar
• Moussa S, Grabner G, Ruckhofer J, Dietrich M, Reitsamer H. Genetics in keratoconus – what is new? Open Ophthalmol J. 2017;11:201–210. doi:10.2174/1874364101711010201
   PubMedGoogle Scholar
• Georgiou T, Funnell CL, Cassels-Brown A, O’Conor R. Influence of ethnic origin on the incidence of keratoconus and associated atopic disease in Asians and white patients. Eye. 2004;18(4):379–383. doi:10.1038/sj.eye.6700652
   PubMed Web of Science ®Google Scholar
• Alabdelmoneam M. Retrospective analysis of keratoconus at King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia. Clin Optom. 2012;4:7–12. doi:10.2147/OPTO.S28461
   Google Scholar
• Assiri AA, Yousuf BI, Quantock AJ, Murphy PJ. Incidence and severity of keratoconus in Asir province, Saudi Arabia. Br J Ophthalmol. 2005;89(11):1403–1406. doi:10.1136/bjo.2005.074955
   PubMed Web of Science ®Google Scholar
• Alzahrani K, Al-Rashah A, Al-Salem S, et al. Keratoconus epidemiology presentations at Najran Province, Saudi Arabia. Clin Optom. 2021;13:175–179. doi:10.2147/OPTO.S309651
   PubMed Web of Science ®Google Scholar
• Torres Netto EA, Al-Otaibi WM, Hafezi NL, et al. Prevalence of keratoconus in paediatric patients in Riyadh, Saudi Arabia. Br J Ophthalmol. 2018;102(10):1436–1441. doi:10.1136/bjophthalmol-2017-311391
   PubMed Web of Science ®Google Scholar
• Althomali TA, Al-Qurashi IM, Al-Thagafi SM, Mohammed A, Almalki M. Prevalence of keratoconus among patients seeking laser vision correction in Taif area of Saudi Arabia. Saudi J Ophthalmol. 2018;32(2):114–118. doi:10.1016/j.sjopt.2017.11.003
   PubMedGoogle Scholar
• Shi Y. Strategies for improving the early diagnosis of keratoconus. Clin Optom. 2016;8:13–21. doi:10.2147/OPTO.S63486
   PubMed Web of Science ®Google Scholar
• Li X, Rabinowitz YS, Rasheed K, Yang H. Longitudinal study of the normal eyes in unilateral keratoconus patients. Ophthalmology. 2004;111(3):440–446. doi:10.1016/j.ophtha.2003.06.020
   PubMed Web of Science ®Google Scholar
• Shetty R, Rao H, Khamar P, et al. Keratoconus screening indices and their diagnostic ability to distinguish normal from ectatic corneas. Am J Ophthalmol. 2017;181:140–148. doi:10.1016/j.ajo.2017.06.031
   PubMed Web of Science ®Google Scholar
• Shetty R, Arora V, Jayadev C, et al. Repeatability and agreement of three Scheimpflug-based imaging systems for measuring anterior segment parameters in keratoconus. Invest Ophthalmol Vis Sci. 2014;55(8):5263–5268. doi:10.1167/iovs.14-15055
   PubMed Web of Science ®Google Scholar
• Bae GH, Kim JR, Kim CH, Lim DH, Chung ES, Chung TY. Corneal topographic and tomographic analysis of fellow eyes in unilateral keratoconus patients using pentacam. Am J Ophthalmol. 2014;157(1):103–109.e1. doi:10.1016/j.ajo.2013.08.014
   PubMed Web of Science ®Google Scholar
• de Sanctis U, Loiacono C, Richiardi L, Turco D, Mutani B, Grignolo FM. Sensitivity and specificity of posterior corneal elevation measured by Pentacam in discriminating keratoconus/subclinical keratoconus. Ophthalmology. 2008;115(9):1534–1539. doi:10.1016/j.ophtha.2008.02.020
   PubMed Web of Science ®Google Scholar
• Piñero DP, Alió JL, Alesón A, Escaf Vergara M, Miranda M. Corneal volume, pachymetry, and correlation of anterior and posterior corneal shape in subclinical and different stages of clinical keratoconus. J Cataract Refract Surg. 2010;36(5):814–825. doi:10.1016/j.jcrs.2009.11.012
   PubMed Web of Science ®Google Scholar
• Ambrósio R, Alonso RS, Luz A, Coca Velarde LG. Corneal-thickness spatial profile and corneal-volume distribution: tomographic indices to detect keratoconus. J Cataract Refract Surg. 2006;32(11):1851–1859. doi:10.1016/j.jcrs.2006.06.025
   PubMed Web of Science ®Google Scholar
• Ambrósio R, Caiado AL, Guerra FP, et al. Novel pachymetric parameters based on corneal tomography for diagnosing keratoconus. J Refract Surg. 2011;27(10):753–758. doi:10.3928/1081597X-20110721-01
   PubMed Web of Science ®Google Scholar
• Ambrósio R, Nogueira LP, Caldas DL, et al. Evaluation of corneal shape and biomechanics before LASIK. Int Ophthalmol Clin. 2011;51(2):11–38. doi:10.1097/IIO.0b013e31820f1d2d
   PubMedGoogle Scholar
• McAlinden C, Khadka J, Pesudovs K. A comprehensive evaluation of the precision (repeatability and reproducibility) of the oculus Pentacam HR. Invest Ophthalmol Vis Sci. 2011;52(10):7731–7737. doi:10.1167/iovs.10-7093
   PubMed Web of Science ®Google Scholar
• Huseynli S, Abdulaliyeva F. Evaluation of scheimpflug tomography parameters in subclinical keratoconus, clinical keratoconus and normal Caucasian eyes. Turk J Ophthalmol. 2018;48(3):99–108. doi:10.4274/tjo.89587
   PubMedGoogle Scholar
• Bitnun A. Etymologia: Bonferroni Correction. Emerg Infect Dis. 2015;21(2):289. doi:10.3201/eid2102.et2102
   PubMedGoogle Scholar
• Guo LL, Tian L, Cao K, et al. Comparison of the morphological and biomechanical characteristics of keratoconus, forme fruste keratoconus, and normal corneas. Semin Ophthalmol. 2021;36(8):671–678. doi:10.1080/08820538.2021.1896752
   PubMed Web of Science ®Google Scholar
• Ruiseñor Vázquez PR, Galletti JD, Mínguez N, et al. Pentacam Scheimpflug tomography findings in topographically normal patients and subclinical keratoconus cases. Am J Ophthalmol. 2014;158(1):32–40.e2. doi:10.1016/j.ajo.2014.03.018
   PubMed Web of Science ®Google Scholar
• Florkowski CM. Sensitivity, specificity, receiver-operating characteristic (ROC) curves and likelihood ratios: communicating the performance of diagnostic tests. Clin Biochem Rev. 2008;29(Suppl 1):S83.
   PubMedGoogle Scholar
• Motlagh MN, Moshirfar M, Murri MS, et al. Pentacam® corneal tomography for screening of refractive surgery candidates: a review of the literature, Part I. Med Hypothesis Discov Innov Ophthalmol. 2019;8(3):177–203.
   PubMedGoogle Scholar
• Huseynli S, Salgado-Borges J, Alio JL. Comparative evaluation of Scheimpflug tomography parameters between thin non-keratoconic, subclinical keratoconic, and mild keratoconic corneas. Eur J Ophthalmol. 2018;28(5):521–534. doi:10.1177/1120672118760146
   PubMed Web of Science ®Google Scholar
• Kandel S, Chaudhary M, Mishra SK, et al. Evaluation of corneal topography, pachymetry and higher order aberrations for detecting subclinical keratoconus. Ophthalmic Physiol Opt. 2022;42(3):594–608. doi:10.1111/opo.12956
   PubMed Web of Science ®Google Scholar
• Koh S, Inoue R, Maeno S, et al. Characteristics of higher-order aberrations in different stages of keratoconus. Eye Contact Lens. 2022;48(6):256–260. doi:10.1097/ICL.0000000000000897
   PubMed Web of Science ®Google Scholar
• Salman A, Kailani O, Marshall J, et al. Evaluation of anterior and posterior corneal higher order aberrations for the detection of keratoconus and suspect keratoconus. Tomography. 2022;8(6):2864–2873. doi:10.3390/tomography8060240
   PubMed Web of Science ®Google Scholar
• Gomes JA, Tan D, Rapuano CJ, et al. Global consensus on keratoconus and ectatic diseases. Cornea. 2015;34(4):359–369. doi:10.1097/ICO.0000000000000408
   PubMed Web of Science ®Google Scholar
• Hwang ES, Perez-Straziota CE, Kim SW, Santhiago MR, Randleman JB. Distinguishing highly asymmetric keratoconus eyes using combined Scheimpflug and spectral-domain OCT analysis. Ophthalmology. 2018;125(12):1862–1871. doi:10.1016/j.ophtha.2018.06.020
   PubMed Web of Science ®Google Scholar
• Cavas-Martínez F, De la Cruz Sánchez E, Nieto Martínez J, Fernández Cañavate FJ, Fernández-Pacheco DG. Corneal topography in keratoconus: state of the art. Eye Vis. 2016;3(1):5. doi:10.1186/s40662-016-0036-8
   PubMedGoogle Scholar
• Hashemi H, Beiranvand A, Yekta A, Maleki A, Yazdani N, Khabazkhoob M. Pentacam top indices for diagnosing subclinical and definite keratoconus. J Curr Ophthalmol. 2016;28(1):21–26. doi:10.1016/j.joco.2016.01.009
   PubMed Web of Science ®Google Scholar
• Li Y, Chamberlain W, Tan O, Brass R, Weiss JL, Huang D. Subclinical keratoconus detection by pattern analysis of corneal and epithelial thickness maps with optical coherence tomography. J Cataract Refract Surg. 2016;42(2):284–295. doi:10.1016/j.jcrs.2015.09.021
   PubMed Web of Science ®Google Scholar
• Temstet C, Sandali O, Bouheraoua N, et al. Corneal epithelial thickness mapping using Fourier-domain optical coherence tomography for detection of form fruste keratoconus. J Cataract Refract Surg. 2015;41(4):812–820. doi:10.1016/j.jcrs.2014.06.043
   PubMed Web of Science ®Google Scholar