I believe it is the lense
The biconcave structure is the "lens, but his focuses the light, it does not adjust for the amount of light. The structure that adjusts for the amount of light entering the eye is the "iris"
Iris controls the amount of light entering into the eye.
Refraction.
it is just an eye
Yes, your contact prescription includes information about your eye refraction level. It indicates the amount of correction needed for your vision, measured in diopters, to bring your eyesight into focus. This information helps the optometrist or ophthalmologist determine the type and power of contact lenses you require.
The retina.
The biconcave structure is the "lens, but his focuses the light, it does not adjust for the amount of light. The structure that adjusts for the amount of light entering the eye is the "iris"
Iris controls the amount of light entering into the eye.
Refraction.
The biconcave structure is the "lens, but his focuses the light, it does not adjust for the amount of light. The structure that adjusts for the amount of light entering the eye is the "iris"
When light reaches the lens of the eye, it bends. This change in the direction of the light is called refraction, and it is what makes the images one sees.
Franciscus Cornelis Donder has written: 'On the anomalies of accommodation and refraction of the eye' -- subject(s): Accommodation and refraction, Eye
it is just an eye
ifraeniot
The pupil goes larger in the dark, and smaller in the light.
Yes, your contact prescription includes information about your eye refraction level. It indicates the amount of correction needed for your vision, measured in diopters, to bring your eyesight into focus. This information helps the optometrist or ophthalmologist determine the type and power of contact lenses you require.
The cow has a blind spot on the lining of the eye. The cow's eye actually has the muscle change the size of it's pupil, as well as changing the amount of light that can be entered in the eye.