The OPD-Scan III performs many functions in seconds. If a practitioner understands its multiple scanning methodologies they will raise their level of care to their patients. Pupillometry, IOL positioning, retro illumination of cataracts, angle kappa, tear film evaluation, corneal topography, corneal power assessment for post refractive patients, and other functions makes this instrument a fundamental requirement to practice in the 21st century. All of this is collected in seconds! We have come to recognize in our practice that OPD is a necessity – not luxury. After you learn how to use the myriad of functions that is collected in seconds, you can use them to educate your patients and enhance their confidence in you – their ‘expert’.