what is the first symptom of PACG usually：
A. high IOP
B. eyes red eyes pain
C. visual field defection
D. iridization, blurred vision in the dusk
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The normal adult globe is approximately spherical, with an anteroposterior diameter averaging mm.
A. 23
B. 24
C. 23.6
D. 25
The wall consists of layers
A. 5
B. 2
C. 3
D. 4
In the cornea， can be regenerated
A. Descemet’s membrane and the epithelium
Bowman's layer and the stroma
C. the epithelium and Bowman's layer
D. the endothelium and the epithelium
t the insertion of the rectus muscles, the sclera is the thinnest , about mm;
A. 0.5mm
B. 0.3mm
C. 0.4mm
D. 1.0mm
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