How does accommodation occur in the eye when focusing on near vs far objects?

How does accommodation occur in the eye when focusing on near vs far objects?

• A. The ciliary muscles change lens shape: for near objects the lens becomes thicker; for distant objects the lens becomes thinner.
• B. The iris changes size to focus
• C. The retina adjusts by changing the rods
• D. The cornea changes its curvature to focus

Answer: (A)