Keratoconus therapeutics advances

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World Journal of Ophthalmology

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2218-6239

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Therapeutics Advances

World J Ophthalmol. Aug 12, 2013; 3(3): 20-31
Published online Aug 12, 2013. doi: 10.5318/wjo.v3.i3.20

Table 1 Clinical classification of keratoconus[3]

Stage	Characteristics
Stage I	Eccentric bulging
	Induced myopia and/or astigmatism of 5 D
	Average central keratometry of 48 D
Stage II	Induced myopia and/or astigmatism of 5 to 8 D
	Average central keratometry > 48 D but < 53 D
	Absent scarring
	Minimum corneal thickness of 400 microns
Stage III	Induced myopia and/or astigmatism of 8 to 10 D
	Average central keratometry > 53 D
	Absent scarring
	Central corneal thickness of 300 to 400 microns
Stage IV	Invaluable refraction
	Average central keratometry > 55 D
	Central corneal scar
	Corneal thickness < 200 microns

Citation: Jaimes M, Ramirez-Miranda A, Graue-Hernández EO, Navas A. Keratoconus therapeutics advances. World J Ophthalmol 2013; 3(3): 20-31
URL: https://www.wjgnet.com/2218-6239/full/v3/i3/20.htm
DOI: https://dx.doi.org/10.5318/wjo.v3.i3.20

Jaimes M, Ramirez-Miranda A, Graue-Hernández EO, Navas A. Keratoconus therapeutics advances. World J Ophthalmol 2013; 3(3): 20-31 [DOI: 10.5318/wjo.v3.i3.20]

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