Accommodation for Near Vision Steps:

• Viewing a close object like a mobile phone requires the eye to accommodate for near focus.
• Accommodation involves the ciliary muscle (P) contracting to adjust lens shape.
• Contraction of P reduces tension on the suspensory ligaments (R).
• This allows R to become loose, enabling the lens to bulge for clearer near vision.

Why A is correct:

• In accommodation, the ciliary muscle contracts to slacken the suspensory ligaments, as per the mechanism of lens thickening for near objects.

Why the others are wrong:

• B: R becomes loose, not "light" (incorrect term for ligament state).
• C: P (ciliary muscle) contracts, not relaxes, during near focus.
• D: P contracts for accommodation; relaxation occurs for distant vision.

Final answer: A