The Structure of the Eye Flashcards

1️⃣ Familiarise yourself with the flashcards:

  • Look through all the flashcards to see what's on both sides.
  • Make sure you understand the information on each card. If something's unclear, click the link to the revision notes at the bottom of the page for more details.

2️⃣ Test yourself:

  • Look at the question or prompt on each card and try to remember the answer before flipping it over.
  • Check the answer and make a note of any cards you find challenging and need to go over more.

3️⃣ Consistently Review and Practice:

  • Use spaced repetition: spend more time on the cards you struggle with and go over them more often.
  • Regularly review all the flashcards to help you better understand and retain the information over time.

Note: We may include questions that have multiple correct answers. It's useful to remember specific examples to understand these concepts better.

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What is the cornea and what does it do?

It is the clear, curved front of the eye. It lets light in, bends it to help focus, and protects the eye.

What is the pupil?

The hole in the centre of the iris that lets light into the eye.

What does the iris do?

It is the coloured ring of muscle that controls the pupil’s size, so it controls how much light enters.

What is the lens and what is its job?

A clear, flexible disc that focuses light onto the retina.

What do the ciliary muscles and suspensory ligaments do?

They attach to the lens and change its shape to focus light on the retina.

What is the retina?

The light-sensitive layer at the back of the eye where images form. It contains receptor cells that start nerve impulses.

What are rods and cones?

Two types of receptor cells in the retina. Rods work in dim light and see black and white; cones work in bright light and see colour and fine detail.

What is the optic nerve?

The nerve that carries electrical impulses from the retina to the brain.

What is the blind spot?

The point where the optic nerve leaves the eye. There are no receptors there, so no image is seen at that point.

What is the sclera?

The tough, white outer layer that protects the eye and helps it keep its shape.