Corneal thickness and IOP, when taken together, form the basis for assessing the risk of glaucoma and initiating treatment. Ultrasonic pachymeters come in many forms, from small hand-held units, to devices that combine the functionality of other ultrasonic modalities such as A-scan axial length measurement (complete with an array of IOL calculation formulas). Comparative studies have verified the accuracy of CCT measurements via ultrasonic pachymetry vs. optical pachymetry in a variety of clinical settings. Here are a few examples of the latest product offerings in Ultrasonic Pachymetry: