Overview
Pachymetry is a diagnostic procedure used to measure the thickness of the cornea. It is essential for glaucoma assessment, refractive surgery planning, and corneal disease monitoring.
Pachymetry is crucial for accurate intraocular pressure interpretation, surgical planning, and monitoring corneal edema or thinning.
Learn more in our comprehensive RxDx Ophthalmology Course
Indications
Assessment of corneal thickness
Pre-operative planning
Monitoring swelling
Diagnosis and monitoring
Assessment and follow-up
Contraindications
Absolute Contraindications
Relative Contraindications
📋 Equipment Checklist
Check off items as you gather them:
Pre-procedure Preparation
Preparation includes explaining the procedure to patient, ensuring proper positioning, and calibrating the pachymeter.Step-by-Step Procedure
Step 1: Patient Preparation
Explain procedure, position patient, calibrate pachymeter.
⚠️ Common Mistakes to Avoid:
- Inadequate explanation
- Poor positioning
💡 Pro Tip:
Explain that the test is quick and painless.
Step 2: Measurement
Place probe on cornea, record thickness.
⚠️ Common Mistakes to Avoid:
- Wrong placement
- Poor contact
💡 Pro Tip:
Avoid excessive pressure.
Step 3: Result Review
Review and document results.
⚠️ Common Mistakes to Avoid:
- Poor documentation
💡 Pro Tip:
Always compare with previous measurements.
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Post-procedure Care
Post-procedure care involves documenting results and comparing with previous measurements.Complications & Management
Complication | Incidence | Signs | Management | Prevention |
---|---|---|---|---|
Patient discomfort | Common | Foreign body sensation | Reassurance | Gentle technique |
Corneal abrasion | Rare | Pain, photophobia | Topical antibiotics | Gentle technique |
Clinical Pearls
Explain that the test is quick and painless.
Avoid excessive pressure.
Always compare with previous measurements.
Document all findings carefully.