The Medmont E300 Corneal Topographer offers you superior comfort and accuracy and robust features. E300 is a computerized Video-Keratometer, using Placido rings to map the surface of the human cornea. The results of your exams can be used to assist in contact lens fitting, refractive surgery, orthokeratology and general assessment of the cornea. Using 32 rings and over 15,000 measurement points, the E300 provides detailed topography data over a wide area of the human cornea. Coverage extends from a minimum ring diameter of 0.25mm to beyond 10mm, which is ideal for detailed assessment of corneal pathologies and accurate contact lens fitting.