《英文msh词典》Topography,Corneal
[同义词] Topography,Corneal
[主题词] Corneal Topography
[中文释义] 地形图,角膜
[英文释义] 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.