Clinical history method ('refractive history method')
after
HOLLADAY JT: IOL calculations following RK. Refract Corneal Surg 5(3):203, 1989
HOFFER KJ: Intraocular lens power calculation for eyes after refractive keratotomy. J Refract Surg 11:490-493,1995

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Please note: when entering decimal numbers, use '.' rather than ',' as decimal separator !

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vertex distance:	[mm]
corneal power before corneo-refr. surgery:	K1 [D]		K2 [D]
refraction before corneo-refr.surgery:	sph [D]		cyl [D]
stable refraction after corneo-refr. surgery:	sph [D]		cyl [D]
effect. corneal power after corneo-refr. surgery:

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Last revision: Jun 25, 2015 WH