Eye lens and accommodation, diagram
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Eye lens and accommodation, diagram
Eye lens and accommodation. Diagram showing the process by which the eye changes the shape of the lens when changing between close vision and distant vision. This process is known as accommodation. At left, close vision occurs when the ciliary muscle (red) contracts and the ciliary body moves closer to the lens (blue). This causes the tension in the suspensory ligaments (white lines) to be reduced, causing the lens to relax to a more rounded state. At right, the opposite occurs, and the ligament tension flattens the lens, allowing distance vision
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Media ID 6337112
© FRANCIS LEROY, BIOCOSMOS/SCIENCE PHOTO LIBRARY
Changing Ciliary Body Close Comparing Cornea Corneal Cross Section Diagram Distance Distant Fiber Fibers Fibres Flattened Iris Lens Ligament Ligaments Muscles Optical Optics Physiological Physiology Process Processes Profile Rounded Tension Section Sectioned
EDITORS COMMENTS
This print from Science Photo Library showcases the intricate process of eye lens accommodation. The diagram beautifully illustrates how our eyes adapt between close and distant vision. On the left side, we witness the magic of close vision as the ciliary muscle contracts (depicted in red) and moves the ciliary body closer to the lens (shown in blue). As a result, tension in the suspensory ligaments (represented by white lines) decreases, allowing the lens to relax into a more rounded shape. Conversely, on the right side of this thought-provoking image, we observe distance vision at play. Here, when focusing on objects far away, ligament tension flattens out the lens through an intricate interplay with fibers within it. This adjustment enables us to perceive objects clearly from afar. The level of detail captured in this illustration is truly remarkable; it provides a fascinating glimpse into both anatomical and physiological aspects of our eyes. From cross-sections to fiber comparisons, every element has been meticulously depicted for scientific accuracy. Science Photo Library's expertise shines through once again with this visually stunning artwork that seamlessly combines biology and optics. It serves as a reminder of just how incredible our human bodies are and highlights one small yet extraordinary aspect—the eye's ability to accommodate for varying distances effortlessly.
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