Abstract
Munson’s sign: When the patient is asked to look downward toward the floor, a V-shaped profile of the lower lid margin can be seen (Fig. 1.1). Moderate-to-severe KC tends to produce Munson’s sign, while mild cases of KC will not produce this sign since corneal bulging is more subtle.
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Bibliography
Barr JT et al (2006) Estimation of the incidence and factors predictive of corneal scarring in the Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study. Cornea 25:16–25
Brancati F et al (2004) A locus for autosomal dominant keratoconus maps to human chromosome 3p14-q13. J Med Genet 41:188–192
Caroline P et al (2006) Etiology, diagnosis, and management of keratoconus: new thoughts and new understandings. Pacific University College of Optometry. Retrieved on 2006-03-26
Chwa M et al (2006) Increased stress-induced generation of reactive oxygen species and apoptosis in human keratoconus fibroblasts. Invest Ophthalmol Vis Sci 47(5):1902–1910
Colin J (2006) European clinical evaluation: use of Intacs for the treatment of keratoconus. J Cataract Refract Surg 32:747–755
Cullen JF, Butler HG (1963) Mongolism (Down’s syndrome) and keratoconus. Br J Ophthalmol 47:321–330
Dash DP et al (2010) Mutational screening of VSX1 in keratoconus patients from the European population. Eye (Lond) 24:1085–1092
Elder MJ (1994) Leber congenital amaurosis and its association with keratoconus and keratoglobus. J Pediatr Ophthalmol Strabismus 31:38–40
Fink BA et al (2005) Differences in keratoconus as a function of gender. Am J Ophthalmol 140(3):459–468
Galin MA, Berger R (1958) Atopy and keratoconus. Am J Ophthalmol 45:904
Harrison RJ et al (1989) Association between keratoconus and atopy. Br J Ophthalmol 73:816–822
Haugen OH (1992) Keratoconus in the mentally retarded. Acta Ophthalmol (Copenh) 70:111–114
Hestnes A et al (1991) Ocular findings in Down’s syndrome. J Ment Defic Res 35:194–203
Jafri B et al (2004) Asymmetric keratoconus attributed to eye rubbing. Cornea 23:560–564
Kanski JJ (2007) Clinical ophthalmology: a systematic approach. Elsevier, Edinburgh
Krachmer JH et al (1984) Keratoconus and related noninflammatory corneal thinning disorders. Surv Ophthalmol 28:293
Kuming BS, Joffe L (1977) Ehlers-Danlos syndrome associated with keratoconus: a case report. S Afr Med J 52:403–405
Li X et al (2007) Longitudinal study of keratoconus progression. Exp Eye Res 85:502–507
Lichter H et al (2000) Keratoconus and mitral valve prolapse. Am J Ophthalmol 129:667–668
Mazzotta C et al (2008) Confocal microscopy identification of keratoconus associated with posterior polymorphous corneal dystrophy. J Cataract Refract Surg 34:318–321
Nowak DM, Gajecka M (2011a) The genetics of keratoconus. Middle East Afr J Ophthalmol 18:2–6
Nowak DM, Gajecka M (2011b) The genetics of keratoconus. Ophthalmic Genet 18(1):2–6
Olivares JL et al (1997) Keratoconus: age of onset and natural history. Optom Vis Sci 74:147
Rabinowitz YS (1998) Keratoconus. Surv Ophthalmol 42:297–319
Rahi A et al (1977) Keratoconus and coexisting atopic disease. Br J Ophthalmol 61:761
Shapiro MB, France TD (1985) The ocular features of Down’s syndrome. Am J Ophthalmol 99:659–663
Sinjab MM (2009) Corneal topography in clinical practice (pentacam system): basics and clinical interpretation. Jaypee Brothers Medical Publishers, New Delhi
Sinjab MM (2010) Step by step reading pentacam topography (basics and case study series). Jaypee – Highlights Medical Publishers, New Delhi
Wachler BSB (2008) Modern management of keratoconus. Jaypee Brothers Medical Publishers, New Delhi
Weissman BA, Yeung KK (2006) Keratoconus. eMedicine: Keratoconus. Accessed 12 Feb 2006
Yue BY et al (1984) Heterogeneity in keratoconus: possible biochemical basis. Proc Soc Exp Biol Med 175:336
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Sinjab, M.M. (2012). Diagnosis of Keratoconus. In: Quick Guide to the Management of Keratoconus. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-21840-8_1
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