Skip to main contentSkip to solution

Solution

Correct Option: 4

The retina is the light-sensitive layer at the back of the eye that receives images focused by the lens and converts them to neural signals. Pupil is the opening, iris controls pupil size, and ciliary muscles adjust lens shape.

Keyboard Shortcuts

  • Left arrow: Previous question
  • Right arrow: Next question
  • S key: Jump to solution
  • Q key: Jump to question