Yahoo Web Search

Search results

  1. April 18, 2024. The tall, beautiful iris, named after the Greek goddess who rode rainbows, comes in many magical colors. Despite its divine origins, this beautiful flower is rugged, reliable, and easy to grow. Learn to plant and care for irises for long-term success in your gardens.

  2. May 19, 2023 · How to Plant and Grow Iris. This perennial is a garden classic that comes in a huge variety of sizes, shapes, and colors. With over 200 species in this diverse group of plants, there is bound to be the perfect iris for your garden. In general, irises are low-maintenance and easy to grow.

  3. The iris ( pl.: irides or irises) is a thin, annular structure in the eye in most mammals and birds, responsible for controlling the diameter and size of the pupil, and thus the amount of light reaching the retina. In optical terms, the pupil is the eye's aperture, while the iris is the diaphragm. Eye color is defined by the iris. Etymology.

  4. iris, in anatomy, the colored muscular part of the eye surrounding the pupil, the small black opening in the center. The iris is located in front of the lens and behind the cornea. It is bathed in front and behind by a fluid known as the aqueous humor.

  5. Feb 20, 2024 · The iris is the colored part of the human eye and a component of the uvea. Also known as the uveal layer or uvea coat, the uvea is a pigmented layer found between the retina and the sclera (white of the eye). In addition to the iris, the uvea also consists of the choroid and ciliary body.

  6. Aug 8, 2022 · The iris is a circular, colored structure that sits in front of the lens within the coronal plane towards the front of the eye. Unbound in its middle to allow the pupil to change size, this structure is connected to the ciliary body—the part of the eye that produces the eye’s fluid (aqueous humor) and regulates contraction and constriction ...

  7. Feb 20, 2022 · Function. What does the iris of the eye do? Muscles in your iris control your pupil. When your pupil is wider (dilated), more light gets into your eye. When it’s narrower (contracted) less light gets in. As your iris squeezes or releases your pupil the amount of light reaching the rest of your eye changes.

  1. People also search for