Clinical Scorecard: Navigating Orthokeratology Through Imaging
At a Glance
| Category | Detail |
|---|---|
| Condition | Myopia |
| Key Mechanisms | Ortho-k lenses flatten the central cornea and steepen the mid-peripheral cornea, inducing peripheral myopic defocus to inhibit axial length elongation. |
| Target Population | Individuals with myopia, particularly those seeking to manage its progression. |
| Care Setting | Optometry clinics and vision care practices. |
Key Highlights
- Ortho-k can slow axial length progression by 36% to 46%.
- Slit lamp imaging helps monitor lens fit and can guide consultations.
- Corneal topography allows for empirical fitting and customization of ortho-k lenses.
- A back optic zone diameter of 5.0 mm is more effective in reducing axial length elongation.
- Dynamic fluorescein evaluation reveals ideal lens fit characteristics.
Guideline-Based Recommendations
Diagnosis
- Utilize slit lamp and anterior segment imaging for lens fitting evaluation.
Management
- Consider corneal topography for empirical fitting and customization of ortho-k lenses.
Monitoring & Follow-up
- Use dynamic fluorescein evaluation and topography maps to assess lens fit over time.
Risks
- Low-to-moderate decentration of ortho-k lenses may occur due to corneal shape variations.
Patient & Prescribing Data
Patients with myopia seeking non-surgical management options.
Smaller back optic zone diameters enhance treatment efficacy in slowing myopia progression.
Clinical Best Practices
- Incorporate slit lamp imaging for ongoing lens fit assessment.
- Utilize topography for precise fitting and customization of ortho-k lenses.
- Monitor axial length changes to evaluate treatment effectiveness.
References
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