Question

The transparent lens in the human eye is held in its place by
A. Smooth muscles attached to the iris
B. Ligaments attached to the ciliary body
C. Smooth muscles attached to the ciliary body
D. Ligaments attached to iris

Answer 1

Hint: The lens comprises the lens epithelium, the lens capsule, and the lens fiber. The lens capsule is the smooth and transparent layer of the lens, while the lens fibers are long, thin, and transparent. The epithelium of the lens lies between the two and makes the lens work stable.

Complete Answer:
- The eye has a rounded shape. The outer coating of the eye is dark. It's hard to shield the inside of the eye from injuries. Its translucent front component is known as cornea. Below the cornea is a dark muscle layer called iris. There is a small hole in the iris called the pupil. The size of the pupil is regulated by the iris. The iris is the part of the eye that provides it its distinctive shade.
- When we say that a person has green eyes, we simply apply to the colour of the iris. The iris controls the amount of light entering the eye. Below the eye pupil is the lens. The lens directs light on the back of the eye, on a membrane called the retina. The retina comprises a variety of nerve cells. Sensations of the nerve cells are then transferred to the brain through the optic nerve, which is thicker in the centre.
- In the eye, the lens is located. The lens changes shape and affects the eye's focal length. In other words, it relies on light rays (and the retina) moving through it, in order to generate accurate images of objects situated at different distances. It also acts to refract or to bend light along with the cornea.
- The lens is held in place by the suspensory ligament that is attached to the ciliary body. The lens consists of the lens capsule, the lens epithelium and the lens fiber. The lens capsule is the smooth and transparent layer of the lens, while the lens fibers are long, thin, transparent, which form the lens' bulk. The epithelium of the lens lies between the two and makes the lens work stable.

Thus, the correct answer is option B. i.e., Ligaments attached to the ciliary body.

Note: The lens is located below the eye pupil. The lens directs light on the back of the eye, on a membrane called the retina. The retina comprises a variety of nerve cells. Sensations of the nerve cells are then transferred to the brain via the optic nerve, which is thicker in the centre.