SPOTLIGHT ON EDUCATION Part 2: Crash Course on Contact Lens Correction of Astigmatism
Astigmatism Review
- Types with topographies
- Residual astigmatism
Soft Toric Lenses
- When to fit
- Lens parameter selection with graphics
- Fitting considerations: clinical pearls
Corneal GP Lenses: Spherical
- GP basics: tear lens power; graphics showing power determination
- Good candidates
- GP lens evaluation (including fluorescein pattern videos)
Corneal GP Lenses: Toric
- Candidates:
- Residual astigmatism
- High astigmatism
- Residual astigmatism: determination of amount
- Types of toric lenses
- Front toric lenses
- Lens parameters and fitting considerations
- Back toric lenses
- Challenges of inducing cylinder
- Bitoric
- Definition and applications
- Can be ordered empirically
- Spherical versus cylinder power effect
- Designing a GP bitoric lens
- GPLI Toric and Spherical Calculator
- Bottom line: GP Clinical Pearls (Spherical and Toric)
Custom Soft Toric Lenses
- Designs
- Applications
- Benefits
Hybrid Lenses
- Description of design
- Applications
- Benefits
Scleral Lenses
- Benefits
- Designs
- Applications
Review of Contact Lens Options of Regular Astigmatism
GPLI Resources