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Van Herick Angle Depth Estimation

 
Chamber Depth
In Corneal Thickness
Angle Grade
≥ Cornea
4
1/4 to 1/2
3
1/4
2
<1/4
1
Slit
Dangerously Narrow

 

From: Van Herick W, Shaffer RN, Schwartz A. Estimation of width of angle of anterior chamber. Incidence and significance of the narrow angle. Am. J. Ophthalmol. 1969;68:626-629.

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