What are normal K readings? | 合法醫療器材資訊網

steep power / flat power @ meridian of the flat power ... the differences in keratometry documentation could result in errors - for example, readings would ... Read More

2020年3月18日 — Keratometry was measured in 2 meridians: that is, flat keratometry (K1) and steep keratometry (K2). The K value was calculated as the mean ... Read More

K reading (Flat K) and amount of corneal astigmatism. If corneal topography is done ... Your goal is to determine the flat K and how steep the cornea is. Read More

2003年2月15日 — A mean keratometry reading of 46.70 D in patients who develop buttonholes has been reported,5 and another study found mean K's of 44.20 D to be ... Read More

Measurement-to-measurement inconsistency; Very flat or very steep average keratometry readings (eg, < 40.00 D or > 48.00 D); Differing average keratometry ... Read More

2004年11月22日 — A, B, C and D are designed for mild keratoconus, or K-readings of less than 48.00D in either corneal meridian. E, F and G are for moderate ... Read More

Types of Astigmatism <ul><li>Irregular astigmatism – the flat and steep axes are ... keratometry readings and corneal cylinder should be within 1 diopter ... Read More

Red corresponds with the steep meridian whereas blue corresponds with the flat meridian. Km is the average of K1 and K2; Rf, Rs, Rm: Radii corresponding ... Read More

Download Table | Comparison of Flat Keratometry (Kf), Steep Keratometry (Ks), ... Interobserver reproducibility of central corneal thickness readings. Read More