Shaffer Gonioscopy Angle Grade
Shaffer Gonioscopy Angle Grade - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
Open the Shaffer Gonioscopy Angle Grade → Runs in your browser. No signup, no tracking.
What this is
Shaffer Gonioscopy Angle Grade is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. Shaffer Gonioscopy Angle Grade - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
Shaffer RN. Primary glaucomas. Gonioscopy, ophthalmoscopy and perimetry. Trans Am Acad Ophthalmol Otolaryngol. 1960;64:112-127. Read the source ↗
Worked example: Shaffer grade 1: very narrow angle (approximately 10 degrees); angle closure is probable (high risk).
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