Wydanie 2/2004

Corneal Topography: Do We Need It?

Corneal Topography: Do We Need It?

Sami El Hage, OD, PhD, DSc

Eye Care Associates Houston, Texas

Summary: Corneal topography is an essential tool in our daily clinical activity. It is the standard of care in all invasive and non-invasive keratorefractive procedures. Corneal topography has many clinical applications such as allowing practitioners to screen the patients pre-operatively to detect any abnormalities and post operatively to follow-up on their progress. Corneal topography is an excellent tool in fitting rigid gas permeable contact lenses. Its software features many displays such as dioptric plot in sagittal and tangential mode, Wavefront measurements of high and lower order aberrations, elevation heights of the cornea, detection of Keratoconus, and asphericity of the cornea (p, e, Q) just to name a few.

Keywords: Corneal Topography, asphericity, Wavefront, corneal aberrations, videokeratoscope.


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