Tech From Here: NL · Sources
The iris, up close
The work this post covers and every source it draws on, each linked to the original.
Other sources
Images, slide by slide
- Slide 1
- A square hanging sign on a brick corner shows a huge photograph of a blue-grey human iris around a black pupilPhoto: RN Collins
- Slide 2
- Diagram of the eye in section: the clear cornea at the front, the iris and pupil behind it, the lens, the white sclera and the choroid layerImage: RN Collins studio, code-drawn. Checked against OpenStax Anatomy and Physiology 2e, section 14.1, Sensory Perception. Simplified, not to scale
- Slide 3
- Detail of a 1613 engraving: an eye drawn from the front with the muscles that move it fanned out belowSource: Rijksmuseum, AmsterdamMuseum or journal record
- Slide 4
- Diagram comparing bright light, with a small pupil, and dim light, with a wide pupilImage: RN Collins studio, code-drawn. Checked against OpenStax Anatomy and Physiology 2e, section 14.1