It is the eye's pupil, which is the hole that lets in light, and is in the centre of the iris.
The iris is the circular colored band of muscle that controls how much light enters the eye. The color of the iris is determined by genetics and heredity.
The circular opening in the roof of the Pantheon is called the oculus. It serves as the main source of light and ventilation for the building.
The Iris contains the muscles that control Pupil size.
lens, the concave disk held by the ciliary muscles, found behind the opening of the pupil, can't miss it!
The iris has an opening, called the pupil, through which light enters the eye.
A circular band of colored light around a light source, as around the sun or moon, caused by the refraction and reflection of light by ice particles suspended in the intervening atmosphere
The opening hole of the eye is called the pupil. It is the black circular opening located in the center of the iris that allows light to enter the eye. The size of the pupil can change in response to different lighting conditions and emotions.
The circular opening of the eye that controls the amount of light entering is called the pupil. It dilates in low light to allow more light to enter and constricts in bright light to reduce the amount of light entering the eye.
The pupil is circular opening located in the center of the iris of the eye and that controls the amount of light that enters the eye.orIt can mean a student.
The pupil contracts or expands (dilates) to regulate the entry of light to the retina in the eye.The iris or colored part of the eye is what controls the diameter of the pupil by covering or uncovering it.
When the eye is stimulated by bright light, the circular muscle of the iris contracts, decreasing the size of the pupil.
The homophone of "light colored" is "light-coloured."