These are some (very) casually produced videos. They are intended to demonstrate the refraction & retinoscopy simulator controls, as well as to provide some actual examples performing some of these skills from beginning to end.
| Minus Cyl | Plus Cyl | |
|---|---|---|
| Retinoscopy |
Using a refracting instrument Using trial lenses |
Using a refracting instrument Using trial lenses |
| Refraction | Myopia & astigmatism | Myopia & astigmatism |
| Other | How to use the refracting simulator controls | |
- What: Retinoscopy
- Instrument: Refractor
- Cylinder Type: Plus cylinder
- Patient: Myopic astigmatism
- What: Retinoscopy
- Instrument: Refractor
- Cylinder Type: Minus cylinder
- Patient: Myopic astigmatism
- What: Retinoscopy
- Instrument: Trial lenses
- Cylinder Type: Plus cylinder
- Patient: Myopic astigmatism
- What: Retinoscopy
- Instrument: Trial lenses
- Cylinder Type: Minus cylinder
- Patient: Myopic astigmatism
- What: Refraction
- Cylinder Type: Plus cylinder
- Patient: Myopic astigmatism
- Skills Include: Cylinder power search, maintaining spherical equivalent
- What: Refraction
- Cylinder Type: Minus cylinder
- Patient: Myopic astigmatism
- Skills Include: Cylinder power search, maintaining spherical equivalent