What is the function of the lens?
A. Refraction
B. Accommodation
C. Light perception
D. Protection of other structure
查看答案
Which of the following statement is true about ciliary body?
A. Rich of blood vessel
B. Secretion of aqueous humor
C. Accommodation
D. Light perception
Which of the following structure is responsible for light perception?
A. Iris
B. Retina
C. Lens
D. Sclera
Which of the following structure is most subjective to external injuries?
A. Retina
B. Choroid
C. Vitreous
D. Cornea
Which of the following structures are transparent in normal eyes?
A. Cornea
B. Lens
C. Neural retina
D. Choroid
微信支付 
支付宝支付