Titlebook: Corneal Topography; Principles and Appli Melanie Corbett,Nicholas Maycock,David O‘Brart Book 2019Latest edition Springer Nature Switzerland

思想

https://doi.org/10.1007/978-1-4614-7064-9ndicular meridian at a diameter of about 3 mm and is a highly accurate measure of the central curvature of regular corneas. Photokeratoscopes view the reflected image of the black and white concentric rings of a Placido disc, providing qualitative shape information across a large area of the cornea.

GRIN

玩忽职守

bisphosphonate

Computer algorithms and software packagesthe data and its subsequent display as a colour-coded contour map which adds considerable value to the investigation. Additional displays include cross sections and three-dimensional wire nets..When viewing the output, before looking at the map, it is important to check the patient details and date,

Gleason-score

烧瓶

Short Tutorial on Dynamical Modelseepest and flattest areas of the cornea and generating a simulated fluorescein pattern, it can direct the selection of the initial back surface curvature to be tried, thereby reducing the number of trial lenses required. It can also inform the design of custom design lenses..Corneal irregularity can

Mammal

Papers on History and Biographycompressing the central cornea causes central flattening, whereas one compressing the peripheral cornea will cause secondary central steepening..Disturbances of the tear film can cause focal drying with localised flattening or more widespread irregularity. Epithelial disease often causes multiple sm

思想上升

Short Tutorial on Dynamical Modelsately adjacent area as the curvature returns to normal..When more layers of stroma are involved, particularly eccentrically, distant compensatory effects occur due to transmission of forces through the tensions within the cornea. Stability of the corneal shape is normally maintained by densely packe

yohimbine

缺陷