What are the limitations of the amd severity scale?

While the amd severity scale is highly validated, it should not replace clinical judgment. OpiCalc provides the latest evidence-based limitations for the amd severity scale to ensure safe bedside use and optimal diagnostic accuracy.

How does the amd severity scale compare to other Ophthalmology scores?

The amd severity scale is a gold-standard diagnostic tool. OpiCalc provides side-by-side clinical guidance to help clinicians choose the most specific evidence-based tool for their patient's presentation.

Is the amd severity scale free to use?

Yes. OpiCalc provides the amd severity scale completely ad-free and optimized for mobile bedside use, ensuring you can calculate medical risk swiftly and without distraction.

AMD Severity Scale

Select the category that best describes the macular findings (per AREDS guidelines).

Guidelines & Evidence

Clinical Details

Section 1

Formula & Logic

AREDS Classification

Category 1: No or few small drusen (<63µm)

Category 2 (Early): Many small drusen or few intermediate drusen (63-124µm)

Category 3 (Intermediate): At least one large druse (>125µm) or extensive intermediate drusen

Category 4 (Advanced): Geographic atrophy or neovascular AMD

Section 2

Pearls/Pitfalls

AREDS Supplementation

AREDS2 antioxidants and zinc are clinically indicated for patients in Category 3 or 4 (in one eye) to reduce the 5-year risk of progression by approx 25%.

Last Comprehensive Review: 2026

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