What happens if the ciliary muscle in the eye is contracted?

Q: What is the function of the optic chiasma?

A: Optic chiasma is found beneath the hypothalamus in the brain. It is found in all vertebrates.

Q: What makes the lens of the eye clear? What happens when cataracts form?

A: The eye lens is the biconvex transparent structure that refracts light and focuses on the retina. It…

Q: Where does the bunde of ganglion axons that forms the optic nerve exit the eye? Cornea Colliculus…

A: The optic nerve is a vital component of the visual system, serving as the primary pathway for…

Q: What happens at the optic chiasma? What is the consequence of this?

A: Optic chiasma are locations within the brain where optic nerve fibers from either eye cross over…

Q: What is the difference between an eyelid tic and an eyelid twitch?

A: The eyelid can be defined as the thin fold of the skin that covers and protects the eye. The levator…

Q: If a patient has a damaged lateral rectus muscle, which eye movement would be impaired?

A: The eye is one of the most complex paired sensory organs of the visual system. It helps in the…

Q: What happens to the pupil of the eye when the light is very bright?

A: The pigmented portion of the eye which is present in the eyeball's middle layer (vascular tunic) is…

Q: Why is the eye "strained" more upon viewing nearby objects then far objects?

A: An eye is the vital organ needed for sight which reacts to light and allows vision. It has…

Q: Which is The third major layer of the eye?

A: The human eyes are located in the orbits that are formed by the skull. The eye is spherical, hollow…

Q: Which structure of the eye is responsible for focusing visual stimuli?

A: Introduction :- The eye has a spherical ball form with a small protrusion in the front. There are…

Q: When the ciliary muscles contract the lens does what?

A: The human eye is a exceptional organ, able of adjusting to different distances and visual…

Q: What is Preeclampsia?

A: In the female reproductive system, the menstrual cycle is the regular natural change that occurs…

Q: What structures are parts of the vascular layer of the eye?

A: The vascular layer of the eye is anatomically situated just under the fibrous layer of the eye.

Q: George was under a lot of stress. His final semester examination was only 2 days away, and he was…

A: An eyelid twitch is a repetitive and involuntary spasm of the eyelid muscles.It is also known as…

Q: What happens to eye ball in the disorder myopia?

A: Eye is a sense organ and it has an ability to obtain visual images, which is then carried to the…

Q: What is accommodation in the eye? How are muscles involved in this process?

A: The process by which certain muscles (called ciliary muscles) work, to change the central length of…

Q: Where does the optic nerve start and where does it end?

A: The bundle of nerve fibers which are responsible for the transmission of the signals that contains…

Q: What is optic nerve?

A: A peripheral nervous system's component that is formed by an enclosure of a cable-like bundle of the…

Q: Which branch of the autonomic nervous system innervates the circumferential muscles of the pupil?…

A: Introduction The autonomic nervous system controls vital bodily functions like blood pressure and…

Q: What is the role of the ciliary muscles?

A: Ciliary muscles are part of eye in humans. Eye is a type of sensory organ that collects visual…

Q: What are the functions of the fibrous layer of the eye?

A: The human eye is a light-sensitive organ that enables vision. Photoreceptive cells in the eye, such…

Q: When the ciliary muscle is contracted, the following will: a) lens to become more spherical b)…

A: Eyes are the sense organs involved in the sense of vision.

Q: What drug produces myosis, which will contract the pupil of the eye?

A: Myosis refers to the extensive constriction of the pupil of the eye. It is the part of the eye that…

Q: Which muscles are activated when the pupil responds to light?

A: A pair of the spherical structure located in the orbits which facilitate the vision is known as…

Q: What is a blind spot of the eye?

A: When the light reaches to our retina, it sends electrical bursts with the help of the optic nerve to…

Q: What is the major structure that the optic tract goes through?

A: The optic tract is an important component of the visual system of the brain. It is composed of the…

Q: what is the fucntion of the semicircular canals?

A: Semicircular canals are three tiny, fluid-filled tubes that help to keep balance.

Q: What is the effect of closing one eye early in life? What is the effect of closing both eyes?

A: We can say that The human eye is a spherical-shaped organ that is responsible for vision generation.…

Q: (a) What is hypermetropia?(b) What are the two causes of this defect of vision?

A: Human eye is an organ that reacts to light and allows vision. Cone and rod cells in the retina allow…

Q: What structures make up the fibrous layer of the eye?

A: The eyeball is a spherical, bilateral organ that houses the vision-related components. It is located…