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These detect the brightness of light. [The cones detect the colour.] The rod cells are about 100 times more sensitive to light than a cone cell. You have up towards 100 million rod cells in each eye.

They are less concentrated in the centre of the visual field, which is why in dim conditions, you may see something more clearly by looking slightly to the side of the object, rather than looking directly at the object.

The rod cells are much more sensitive to detect flickering - particularly towards the periphery of your vision. This is why a flickering fluorescent lamp off to the side may be annoying, but when you look directly at it, it appears to be OK. This is possibly an ancient evolutionary aid to survival.

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Which components of the eye contain the pigments the absorb light energy?

The pigments that absorb light energy in the eye are mainly found in the rods and cones of the retina. Rods are responsible for vision in low light conditions while cones are responsible for color vision.


How many rods are in the human eye?

There are roughly 120 million rod cells in the human eye. Rod cells are photoreceptor cells in the retina responsible for vision in low light conditions.


What parts of the eye are used to see colour?

The cones in the retina of the eye are responsible for detecting and perceiving color. There are three types of cones that respond to different wavelengths of light (red, green, and blue), and the brain processes the signals from these cones to create the perception of color.


What part of the eye absorbs energy from luminous objects?

The part of the eye that absorbs energy from luminous objects is the retina, specifically its photoreceptor cells called rods and cones. Rods are sensitive to low light levels and help with vision in dim conditions, while cones are responsible for color vision and function best in bright light. These photoreceptors convert light energy into electrical signals that are then transmitted to the brain for visual processing.


What is the part of your eye that has cells to convert light images into electrical signals?

The retina is the part of the eye that contains cells called photoreceptors (rods and cones) that convert light images into electrical signals that are then transmitted to the brain through the optic nerve.