Pupillary constriction will occur, bilaterally, and evenly, in the normal individual.
No. Human eye scan see light int he 390-750 nm range. 100-300 nm is in the infrared range.
The main purpose of the human eye is to capture light. The eye captures the light from the surrounding and sends the data to the brain which interprets it.
The pupil is the opening in the iris. The iris controls the amount of light entering the eye.
the iris
The lens
how does the eye respond to light rays to manifest far sightedness
No. Human eye scan see light int he 390-750 nm range. 100-300 nm is in the infrared range.
Color blindness is the failure of the red sensitive nerves in the eye that don't respond to light properly.
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yes the human eye is sensitive to red light
The color spectrum refers to the color produced when light is dispersed through a prism and is visible to the human eye. Typically, a human eye will respond to color occurring at wavelengths from 390 to 770nm.
The eye
no. they are called eyes. photoreceptors are cells within the eye that respond to light such as cones and rods.
Phosphenes
We see out of the eye because of the light that's hits the eye and the light that we see it sends a signal to the brain and then we can see the picture.
Visible light is visible (for the human eye), infrared is not. Infrared has a longer wavelength, and a higher frequency. visible light is visible to human i.e the VIBGYOR, above vibgyor are ultravoilet light which is not visible to human eye and below vibgyor are infrared light which is also not visible to human eye.
The retina is covered with specialized cells called rod cells (black and white) and cone cells (colors) they convert electrons that hit them into electrical impulses/nerve impulses that are interpreted by the brain. The locations of the millions of cells are transmitted in-time and curiously upside-down. The brain 'flips' the image to right side up.