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Lens: biconvex transparent body situated behind the iris in the eye; it focuses light waves on the retina
Source: WordNet 2.1
Lens : transparent biconvex body of the eye situated between the posterior chamber and the vitreous body, constituting part of the refracting mechanism of the eye.
The lens lies behind the iris and the pupil (see diagram). It works much like a camera lens. It focuses light onto the retina at the back of the eye, where an image is recorded. The lens also adjusts the eye's focus, letting us see things clearly both up close and far away.
The lens is made of mostly water and protein. The protein is arranged in a precise way that keeps the lens clear and lets light pass through it. (Source: excerpt from Are You At Risk for Cataract: NEI)
The lens is the part of the eye that helps focus light on the retina. The retina is the eye's light-sensitive layer that sends visual signals to the brain. In a normal eye, light passes through the lens and gets focused on the retina. To help produce a sharp image, the lens must remain clear. (Source: excerpt from Facts About Cataract: NEI)
Lens: The lens is a specialized structure of the eye. The lens is transparent and elastic and can change shape in order to focus light that is reflected from objects at different distances from the eye. This ability to change shape is controlled by the ciliary body. Light flows through the cornea and the pupil onto the lens before it is projected onto the retina.
Conditions that can afflict the lens include cataracts, nearsightedness, farsightedness, trauma, and presbyopia.
Lens: The lens is at the front of the eye and it focuses light on the retina. (Source: excerpt from Keep your eyes healthy: NIDDK)
The following organs are closely related to the organ: Lens:
The following conditions are related to the organ: Lens:
These symptoms are related to afflictions of the organ: Lens:
Condition count: 4 ; see list below.
Organ types: Eye (104)
Main condition: Lens conditions
Organs: list of all organs
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