Corneal Topographies
《英文msh詞典》Corneal Topographies
[入口詞] Corneal Topographies
[主題詞] Corneal Topography
[英文釋義] Measurement of the anterior surface of the cornea,its curvature and shape. It is used often to diagnose keratoconus and other corneal diseases,and corneal changes after keratotomy and keratoplasty. A significant application is in the fitting of contact lenses. In performing corneal topography,many different techniques can be employed: keratometry,keratoscopy,photokeratoscopy,profile photography,computer-assisted image processing,videokeratography,etc.