_____causes the pupil to widen. a. Low light b. Bright light

Q: physics of your eyesight

A: Eye is composed of several refracting structures which include the cornea, the aqueous humor , the…

Q: The human eye focuses bya. changing the thickness of the lens.b. changing the shape of the lens.c.…

A: Sense organs are specialized organs that allow the human body to perceive sight, smell, sound,…

Q: The focal length of the eye lens increases when eye muscles:(a) are relaxed and lens becomes…

A: Contraction or relaxation of ciliary muscles in an eye is responsible for focusing the object,…

Q: Why is it easier to see images at night using peripheral, rather than the central, vision? a. Cones…

A: It is easier to see images at night using peripheral rather than central vision because at the edges…

Q: Blind-spot results: a. Right eye distance _______________________b. Left eye distance…

A: Blind spot also known as punctum caecum is a photo-receptor deficient area where optic nerve and…

Q: When you view a close object, your lens gets_____ . a. flatter c. darker b. rounder d. cloudier

A: ACCOMODATION The process of focusing on a nearby object causes 3 processes -  Convergence of eyes…

Q: At night, which type(s) of photopigment enable(s) you to discriminate the colors of neon signs and…

A: Eye is an organ which helps us to provide vision it has several photoreceptors which receives light…

Q: Adjustment of the lens to focus on objects close to the vieweris calleda. convergence. c.…

A: Answer is d.) Visual accommodation.

Q: When you enter a dark room from bright lighted room you are blinded momentarily. Comment.

A: The vision during the day and the night are two separate perceptions in the eye. The day vision and…

Q: Write a short note on retina.

A: Vision is perhaps the most important sense for the day-today activities of humans. Perceiving a…

Q: Under normal visual circumstances, explain why small objects are not lost from our vision.

A: The eye is a three-layered, fluid filled ball divided into two chambers. The human eye is designed…

Q: Damage to the right optic nerve would result in what type of visual field deficit?   Question 6…

A: Damage of an optic nerve can lead to loss of vision, vision distortion and blindness. The nerve…

Q: Sensory receptors that respond to movement, gravity, orsound area. chemoreceptors.b.…

A: Answer is b.) mechanoreceptors.

Q: "A" refers to the OA. O A. pupil. O B. iris. O C. lens. O D. retina. OE. none of the above.

A: Our eyes are sensory organs for vision. They are help in perception of colour. Human beings has two…

Q: Regarding the eye's adaptation to darkness: a) then it happens faster than the eye's light…

A: The human eye is a sensory organ that responds to light and enables vision. Photoreceptive cells,…

Q: ibration enters the ear canal and meets O a the cochlea O b the eardrum the basilar membrane. C O d…

A: Ear is one of the sensory organ. It is responsible for hearing and maintaining balance in the body.

Q: The size of the pupil is controlled by the O lens

A: The eye is the sensory organ that allows us to see. The eyes achieve vision with the help of visual…

Q: The least distance of distinct vision for an eye lens is caused by the action of the:(a) 25 m(b) 2.5…

A: Least distance of distinct vision is defined as the minimum distance of a object from eye to form…

Q: The middle ear converts(A) air pressure waves to fluid pressure waves.(B) air pressure waves to…

A: The middle ear have an eardrum internally and oval window externally. It consists of three bones…

Q: choose one of the vision problems that can be corrected by LASIK.

A: LASIK is a surgical process in which the surgeon modifies the tissue shape present in front of the…

Q: If someone is born with dense cataracts on both eyes, and the cataracts are removed years later,…

A: The lens inside your eye has a clouding which is termed a cataract.Just behind the iris, the lens…

Q: Paralysis of a medial rectus muscle would affect (a) accommodation,(b) refraction, (c) depth…

A: There are six extrinsic eye muscles that help to keep the eyeball in shape. They also regulate the…

Q: The change in focal length of an eye lens is caused by the action of the:(a) Pupil(b) Retina(c)…

A: Contraction or relaxation of muscles in an eye is responsible for focusing the object, phenomenon…

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: The human eye forms the image of an object at its:(a) Cornea(b) Iris(c) Pupil…

A: The “human eye” is one among the “sense organs” that allows vision and responds to light in…

Q: The is the colored section in the eye around the pupil.

A: Hi dear here is the answer for what you have asked please give an upvote.   The eye is the organ of…

Q: A - If only the first statement is correct. B - If only the second statement is correct. C - If…

A: Eye consists of various layers- the outer layer sclera, the middle layer, choroid and the innermost…

Q: Eyelids that separate may be corrected by: a. a surface pack of cavity fluid b. stretching and…

A: Eye lid is a thin layer of skin which covers the eyes of the person from the outside elements. The…

Q: Ear structures from the outer ear into the inner ear are progressively smaller. Explain this…

A: The ear is the hearing organ and it is divided into three segments that include the inner, outer,…

Q: Match each of the options above to the items below. Iris Pupil Sclera Retina

A: The human eye is a specialized sense organ that reacts to light and is able to visualize images and…

Q: The______________ is the colored section in the eye aroundthe pupil.

A: The eye is the organ of the human body that is responsible for vision. Vision is the most important…

Q: A person’s eyes are perfect but they are completely blind. How is this possible

A: The absence of vision is referred to as blindness. It could also refer to a vision loss that is not…

Q: 1. Olfaction takes place in the: a. eye b. nose c. mouth d. ears 2. Color vision is detected by…

A: The sensory organs are the extension of the nervous system that allows us to perceive our internal…