What do the nine pictures show?

Three diagrams in three styles: a labeled cross-section of the eyeball, the same section with blank labels, and a ray diagram of light focusing on the retina.

Does the ray diagram show why the image is upside down?

Yes. The rays from the top of the tree cross at the lens, so the image forms upside down on the retina.

What is the difference between the three styles?

The textbook style is a fine black line drawing with no fill, the color-coded style has a soft pastel fill in each part, and the pen sketch has varied line weight and light hatching.

Can I ask for a different organ, such as the ear?

Yes. A direction such as ear is a request the picture will try to follow, not a guaranteed result.

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/eye-diagrams · classroom

Eye diagram: labeled eyeball, blank labels, how the lens focuses light

Eye diagrams — a cross-section of the human eyeball seen from the side, the cornea, iris, pupil, lens, ciliary muscle, retina, optic nerve, sclera and vitreous humour named on leader lines, a clean textbook line diagram, fine uniform black ink outline, no shading, no fills

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every sample — three subjects, three styles ↓

Reading 1Labeled eye

Reading 2Blank labels

Reading 3How we see

An eye diagram for physics and biology students, and for anyone curious about an eye test. The labeled cross-section names the cornea, iris, lens, retina, optic nerve and sclera. The second picture has empty label lines. The third draws light rays focusing on the retina. Type a direction, such as short sight, and the picture will try it.

a physics or biology lesson on light and vision
a worksheet to label the eye
an optician's explanation sheet
a study card for the parts of the eye

Frequently asked questions

What do the nine pictures show?: Three diagrams in three styles: a labeled cross-section of the eyeball, the same section with blank labels, and a ray diagram of light focusing on the retina.
Does the ray diagram show why the image is upside down?: Yes. The rays from the top of the tree cross at the lens, so the image forms upside down on the retina.
What is the difference between the three styles?: The textbook style is a fine black line drawing with no fill, the color-coded style has a soft pastel fill in each part, and the pen sketch has varied line weight and light hatching.
Can I ask for a different organ, such as the ear?: Yes. A direction such as ear is a request the picture will try to follow, not a guaranteed result.

About toile

This page is a showcase and a starting point: nine samples already rendered, three readings of the pack crossed with three styles, each shown at the size and ratio it was made for. Take any of them further on the wall with a few words, or ask for all nine again under your own direction; a sign-in keeps what you make, and it is free while Toile is new. The recipe behind each sample — the subject, the style, the palette, the framing — travels with the image rather than staying private to the render: it is in the alt text of every sample and in the page's own structured data, so a search engine reads the same handles a person would.