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AMD Severity ScaleAstigmatism AssistantDiabetic Retinopathy RiskDiopter <-> RadiusGlaucoma ProgressionGlaucoma Risk (OHTS)Graves CASIOP Correction (CCT)ISNT RuleLogMAR <-> SnellenMRD AssessmentSUN Uveitis GradingVertex Distance
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Diabetic Retinopathy Risk

Guidelines & Evidence

Clinical Details

Section 1

When to Use

Risk Stratification

Baseline screening for Type 1 & Type 2 Diabetes
Counseling patients on glycemic control targets
Determining follow-up frequency
Section 2

Formula & Logic

Primary Risk Factors

HbA1c Level: strongest modifiable predictor
Duration of Diabetes: non-modifiable but significant
Blood Pressure: synergistic effect with hyperglycemia
Lipid Profile: linked to hard exudate formation
Section 3

Pearls/Pitfalls

Pregnancy Note

Pregnancy can rapidly accelerate pre-existing diabetic retinopathy. Diabetic women planning pregnancy should have an eye exam pre-conception or in the 1st trimester.

Last Comprehensive Review: 2026

Related Ophthalmology Tools

AMD Severity Scale
Astigmatism Assistant
Diopter <-> Radius
Glaucoma Progression
Glaucoma Risk
Graves CAS
IOP Correction
ISNT Rule
LogMAR <-> Snellen
MRD Assessment
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