Clinical Scorecard: Cataract Surgery in Patients With Corneal Disease

At a Glance

Key Highlights

• Significant dry eye impairs keratometry readings and must be treated before biometry for accurate IOL calculations.
• Anterior basement membrane dystrophy requires treatment if symptomatic or if premium IOL is planned; topography should be obtained and stabilized before surgery.
• Herpes simplex keratitis should be inactive for at least 3 months before surgery with antiviral prophylaxis to reduce recurrence risk.

Guideline-Based Recommendations

Diagnosis

• Obtain corneal topography in all cataract patients, especially those with ABMD or irregular astigmatism.
• Document keratoconus stability before cataract surgery; consider corneal cross-linking if progression is present.
• Assess Fuchs endothelial corneal dystrophy severity to guide surgical planning.

Management

• Treat ocular surface disease, particularly dry eye, prior to biometry and surgery.
• Treat ABMD with epithelial debridement (± diamond burr) or phototherapeutic keratectomy and wait at least 3 months for topography stabilization before biometry.
• Ensure HSV keratitis is inactive for ≥3 months and provide antiviral prophylaxis perioperatively.
• Use limbal or scleral incisions in keratoconus to minimize induced astigmatism.
• Avoid toric IOLs in irregular corneas; consider toric IOL only in stable keratoconus patients with good refraction response and no contact lens plans.
• In mild Fuchs dystrophy, perform cataract surgery alone with extra viscoelastic and techniques minimizing phaco energy.

Monitoring & Follow-up

• Monitor ocular surface status pre- and postoperatively to manage dry eye exacerbation.
• Follow corneal topography post-ABMD treatment to confirm stability before proceeding with IOL calculations.
• Observe for HSV keratitis recurrence after surgery.
• Monitor endothelial cell health and graft status when combined procedures are performed.

Risks

• Cataract surgery and postoperative NSAIDs may exacerbate dry eye.
• Surgery may trigger HSV keratitis recurrence if disease is active.
• Toric IOLs in irregular corneas may complicate future contact lens fitting and manifest astigmatism if keratoplasty is needed.
• Combined triple procedures risk graft adherence issues, endothelial cell loss, and increased graft rejection.

Patient & Prescribing Data

Patients with cataracts and coexisting corneal diseases including dry eye, ABMD, HSV keratitis, keratoconus, and Fuchs dystrophy

Preoperative ocular surface optimization, disease-specific corneal treatments, and careful IOL selection improve surgical outcomes and reduce complications.

Clinical Best Practices

• Treat dry eye thoroughly before biometry to ensure accurate keratometry and IOL power calculation.
• Delay cataract surgery until corneal topography stabilizes after ABMD treatment (minimum 3 months).
• Ensure HSV keratitis is quiescent for at least 3 months and use antiviral prophylaxis perioperatively.
• Select incision sites to minimize astigmatism in keratoconus and avoid toric IOLs in irregular corneas.
• In mild Fuchs dystrophy, use extra viscoelastic and low phaco energy techniques during cataract surgery to protect endothelium.

References

• 2025 ASCRS Annual Meeting - Cataract Surgery in Patients with Corneal Disease