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.

Indications

Glaucoma

Assessment of corneal thickness

Refractive Surgery

Pre-operative planning

Corneal Edema

Monitoring swelling

Keratoconus

Diagnosis and monitoring

Corneal Dystrophies

Assessment and follow-up

Contraindications

Absolute Contraindications

Patient refusal
Active corneal infection

Relative Contraindications

Recent eye surgery
Severe photophobia

📋 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.