The human eye is much like a camera—yet, when a camerashutter is left open and the camera is moved, the image willbe blurred. But when you move your head with your eyesopen, you still see clearly. Explain

Q: physics of your eyesight

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

Q: The amount of light entering the eye is determined by the size of the: O The pupil O The lens O The…

A: Pupil present in the center of iris .The amount of light entering the eye control by the size of…

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: Explain how the images are formed, along with the role of light andthe different powers of lenses.

A: The light microscopes or optical microscopes use visible light and a collection of lenses to magnify…

Q: Using a line diagram, show how parallel rays of light are brought to a focus on the retina. Explain…

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

Q: Why does rubbing your closed eyes (as you might if you’re tired or your eyes itch) produce a visual…

A: It can mean many things to rub your eyes. You may have an infection of the skin, allergies, or a…

Q: Explain why a person with normal binocular vision isable to judge distance and depth of close…

A: Images from each eye merge together to form a single 3D image and this image is called binocular…

Q: Give technical term for eye lens loosing flexibility resulting in kind of long sightedness in…

A: Long-sightedness is a condition in which a person is not able to see nearby objects. The distant…

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: In a short essay (100–150 words), describe three ways in which the structure of the lens of the…

A: The eye is the central organ for vision. It is made up of 3 layers- choroid, sclera and retina. The…

Q: Stereocilia in contact with the basilar membrane bend back and forth when the cochlear fluid hits…

A: Stereocilia are actin-based protrusions on auditory and vestibular sensory cells that are required…

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: What's the function of an eye

A: The eye is basically a sensory organ. It gathers light from the apparent world around us and…

Q: Contraction of a muscle usually puts more tension on a structure, but contraction of the ciliary…

A: Ciliary muscle present in the eye is a smooth muscle and mesodermal in origin and is responsible for…

Q: Which of the following is the inner most layer of human eye? a) Retina b) Choroid c) Sclera d)…

A: Introduction - Our visual organ is the eye. Because of its intricate construction, an image can flow…

Q: Since the visual images areprojected in an invertedmanner on the retina whydon't we see things…

A: Human eye consist of biconvex lens which help to form a real and inverted image of an object. Light…

Q: Rotational movement of the head is sensed by the: middle ear semicircular canals O cochlea O…

A: ANSWER;- Cochlea Explain;- The vestibular receptors lie in the internal ear close to the auditory…

Q: Name a thin membrane covering the entire front part of the eye.

A: The eye is an organ which detects the light and sends the signals to the brain with the help of…

Q: Why is it difficult to see colors in dim light?

A: The back portion of the eye that responds to light is called the retina. This is carried out with…

Q: Which of the following will regulate the amount of light entering the eye?a. corneab. lensc. irisd.…

A: Introduction: The organ of sight in the human body is the eye. It has iris, cornea, pupil, sclera,…

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: Trace the path of a photon of light through all the layers of theretina discussed in this chapter.…

A: Light passes through the front of the eye (cornea) to the lens. The cornea and the lens help to…

Q: : Retinal implants mainly generate the 3) Color vision with retinal implants sensation of white…

A: Retinal implants can aid in vision. Retinal implant devices provide electrical stimulation to these…

Q: The amount of light entering into eyecan be controlled and regulated by________.A. PupilB. Cilliary…

A: The eye is an organ of sight. These are specialized sense organ that receives visual images and…

Q: In a condition called presbyopia, the eyes’ lenses lose muchof their elasticity and maintain a flat…

A: The eye is the organ of visual system that consists of rod and cone cells. These cells are present…

Q: While a student is examining the anterior half of the eye in cadaver lab, the cadaver lens falls…

A: The lens is made up transparent  proteins called crystallins . The average concentration of lens…

Q: If you look at 20/20 line and it was in focus where in the eye was the image projected onto of a…

A: Visual acuity is defined as the ability or capacity to detect small object and recognize visuallu…

Q: Define Retinal Disparity- The difference between our 2 retinas.

A: Retina  Retina is the screen of the eye on which image is formed.

Q: The pupil of a person's eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is…

A: During dim light, the size of the pupil expands so that more light enters our eye and it helps to…

Q: Fill in the blank:  When the head is moved, the fluid inside the membranous portion of a…

A: The organs of hearing and equilibrium are a pair of ears which are situated on the sides of the…

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: List the structures and fluids through which light passes as it travels from the cornea to the…

A: The eye is an organ, which detects light and sends signals along the optic nerve to the brain. It is…

Q: i) Explain why the crystalline lens of the eye gets a virtual object from the cornea.

A: The name “crystalline lens” is given to the natural lens of the human eyes. It is a transparent,…

Q: Where in the eye does the main refraction take place? a) in the ventricular fluid b) in the…

A: Introduction:-  Like a camera, the human eye focuses light to produce sharp images. Refraction is…

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: Why do humans see so poorly under water? And whydo goggles help?

A: The eyes are the organ of sight and are composed of the optical system of nerves and one of the…

Q: (iv) The layer of the eyeball that forms the transparent Cornea.

A: Introduction :- The cornea is the transparent outer layer of the eye. The cornea aids in focusing…

Q: Rhodopsin contains: opsin and retinal vitamin A and ATP red, blue and green pigments light waves The…

A:

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: How can you compare various parts of eye with a photographic camera?

A: The eye of a human and camera are similar in their mechanism. Both of these are involved in…

Q: List any five aspects of the Human Eye that allow it to record images in the real world.

A: The human eye is a sense organ which responds to visible light and enables us to utilise visual data…