What is k1 and k2 in Keratometry? | 合法醫療器材資訊網

K = 0.5 (K1 + K2). Manual keratometry is the oldest method used to measure the corneal curvature. Most manual keratometers take 2 readings at the steepest ... Read More

由 J Yu 著作 · 2017 · 被引用 24 次 — 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

The mean ±SD IOL power was 19.68 ±3.19D in males and 20.67 ±2.86D in females (p=0.0001). CONCLUSION: The mean keratometry readings (K1 and K2) were 43.46 ±1.68 ... Read More

Download scientific diagram | Anterior keratometry (K1 flat and K2 steep) as measured by the Scheimpflug device (Oculyzer II, WavLight AG, Erlangen, ... Read More

Download scientific diagram | (a) Median curvature in diopters (simulated keratometry (K1, K2), mean curvature (Kmean), and maximum curvature (Kmax) as a ... Read More

Abbreviations: pre, preoperative examination; post, postoperative examination; k1, vertical keratometry; k2, horizontal keratometry. from publication: ... Read More

由 N Priest-Allen 著作 · 2014 — Raw values K1, K2, meridian from IOL Master measurements were used to calculate Kh and Kv for each measurement obtained using equations for calculating points ... Read More

由 TB Ferreira 著作 · 2017 · 被引用 13 次 — ... techniques for minimum keratometry (K1), maximum keratometry (K2), ... showed high comparability regarding K1, K2, and astigmatism axis. Read More

2021年4月14日 — Keratometry (K) is the measurement of the corneal curvature; corneal curvature determines the power of the cornea. Differences in power across ... Read More