Which of the following can be found in the process of accommodation( )
A. The ciliary muscle contracts
B. The lens zonules become loosened
C. Anterior chamber becomes shallower
D. The lens becomes rounder
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Correction of hyperopia should be suggested for patients with
A. Eye strain
B. Amblyopia
C. Esotropia
D. High hyperopia
Which do(es) help to slow down the development of myopia?
A. Keratorefractive surgery
B. Atropine
C. Orthokeratology
D. Implantable contact lens
The refractive state of the eye may be altered by
A. Constriction of the ciliary muscle
B. Change of the corneal curvature
C. Increase of the lenticular thickness
D. Elongation of the axial length of the eye
Which of the refractive state belong to with-the-rule astigmatism?
A. –0.50DS/ +1.50DC x 90°
B. -2.50DC×110°
C. -0.75DS/ -1.00DC×160°
D. +2.25DS/ +2.75DC×145°
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