Retinoscopy Plus Cylinder Full Tutorial with Phoropter

Full Retinoscopy Tutorial in Plus Cylinder. Dr. David Guyton. Source: AAO Table of Contents: 1:40 Introduction 2:22 Instrument Basics 5:21 Model Schematic Eye Retinoscopy 6:16 Retinoscopy Technique 8:13 Retinoscopy Basics Explained 14:18 Retinoscopy Example (Sphere) 15:54 Astigmatism Retinoscopy 18:53 Cylinder Axis Determination Phenomena 20:40 Refining Cylinder 24:00 Converting Measurements to Lens Power 25:20 Real Patient Example 30:36 Loose Lens Retinoscopy 33:28 Scissoring and other Retinoscopy Problems 37:20 Conclusion