The space between the back of the cornea and the front of the iris is
A. the anterior chamber
B. the posterior chamber
C. chamber angle
D. aqueous
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The diopter of lens is .
A. 20
B. 43
C. 45
D. 19
The space between the back of the lens and the front of the retina is called the
A. the posterior chamber
B. vitreous
C. the anterior chamber
D. chamber angle
The orbit is consisted of bones:
A. 5
B. 8
C. 7
D. 6
In each orbit, the lateral and medial walls form an angle of degrees
A. 45
B. 30
C. 60
D. 25