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Favorites Specialties Drugs Guidelines Most Used

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AMD Severity Scale Astigmatism Assistant Barrett / SRK-T Sim Diabetic Retinopathy Risk Glaucoma Progression Glaucoma Risk (OHTS)Graves CAS HFA MD to VFI Converter IOP Correction (CCT)LogMAR <-> Snellen MRD Assessment ROP Risk (G-ROP)SPEED Score (Dry Eye)SUN Uveitis Grading Vertex Distance

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Recent Journal Updates

Intensive Care MedicineJun 8, 2026

Patient blood management in general intensive care patients

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We think this has broad domain relevance to Vertex Distance Calculator.

Intensive Care MedicineJun 8, 2026

Is acute respiratory distress syndrome a preventable disease?

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WHO NewsJun 5, 2026

Africa CDC and WHO launch joint continental Ebola response plan

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Vertex Distance

Spectacle Power (D)

Vertex Distance (mm)

mm

Guidelines & Evidence

Verified

Last Review: 2026

When to Use

When to Calculate

Converting spectacle prescriptions > ±4.00D to Contact Lenses

Refractive surgery planning

Surgical back-calculation of IOL power

Last Comprehensive Review: 2026

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