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

Q: Which of the following allows eyes to focus on objects both nearby and far away? the pupil the lens…

A: Answer :- The ability of the attention lens to regulate its focal distance is named as power of…

Q: What is shape of lens during near vision and distinct vision.

A: The biconvex transparent structure in the eye is the lens. It facilitates the refraction of light to…

Q: What region of the retina contains a high density of photoreceptor cells and allows for extremely…

A: The fovea centralis of the retina contains high-density photoreceptor cells and allows for extremely…

Q: A person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the corrective…

A: Myopia is a defect in vision in which objects are seen only when present very close to the eyes. it…

Q: As you read the question, light enters your eye, is focused, detected, and then changed into…

A: Our visual organ is the eye. There are many parts of the eye.

Q: Night vision begins with the stimulation of

A: Night vision is the ability to see in low-light conditions. Whether by biological or technological…

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: 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: 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: 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: Blinking of eyelids on exposure of light is a conditioned reflex or simple action.

A: Reflex action includes nerves of body associated with CNS(central nervous system) and its…

Q: The most finely detailed vision occurs when an image falls on a pit in the retina called the…

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

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: Explain why different types of receptor cells and neural circuits are required for day and night…

A: Rods and cones are the two kinds of photo-receptors in the retina of humans. The rods are…

Q: Why is a normal eye not able to see clearly the objects placed closer than 25 cm?

A: The eye lens is composed of fibrous, jelly-like material. To see closure and distant object, Its…

Q: Name the eye defect occuring in old people whereby they are unable to see near objects.

A: Eye is the chief organ of the visual system. In most mammals they are paired structures and are oval…

Q: We have three types of cones in the retina. Explain how we can see a large range of colors with only…

A: Cone cells are the photo receptors found in the retina of the eye which are meant for color vision…

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: Successful hearing depends on the proper functioning of three organs.

A: Introduction: Hearing refers to the awareness of the presence of sounds and placing meaning to that…

Q: Vestibular duct Tectorial membrane Spiral ganglion Cochlear duct Hair cells Vestibular membrane…

A: Cochlea   The inner part of the ear that involves in hearing is known as cochlea. It is spiral in…

Q: Please label the following structure: A. Retina B. Sclera C. Choroid D. Cornea

A: Eye: -The eye is an organ, which detects light and sends signals to the optic nerve which transmit…

Q: In farsightedness, also known as _______________, the focal point is _____________ the retina. a.…

A: The principle of the nervous framework verifies that it is a complex part of a creature that…

Q: The olfactory tract connects to what component in the olfactory system

A: Paired olfactory organs in the nasal cavity, contain specialized olfactory receptor neurons that…

Q: When you increase the magnification what happens to the visual field?

A: Microscope are instruments that are used in the science laboratories to visualise very minute…

Q: Which is the correct order of the structure through which light passes after entering the eye? O…

A: Question- Which is the correct order of the structure through which light passes after entering 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: 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: 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: 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: While viewing an object under low power you see a small organism at the edge of the field of vision.…

A: Step 1 Microscopes are the instrument used for observing smaller objects as well as finer internal…

Q: Why does one feel blinded for a short while on coming out of a dark room.

A: The eye is an organ that controls and enables sight. It has a number of components including cornea…

Q: Explain why an eye has a blind spot.

A: Retina is a part of our eye on which image is formed. Rod and cone cells help in this image…

Q: The human eye is much like a camera—yet, when a camerashutter is left open and the camera is moved,…

A: All of the light entering into the lens of the camera while shutter is open contributes to a single…

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

A:

Q: Why do people over 55 often need reading glasses? a. Their cornea no longer focuses correctly. b.…

A: When people reach around the age of 55, they experience blurred vision while reading or working.…

Q: Which statement about retina is FALSE? a. The optic disc has no photoreceptors b. The ratio of…

A: Retina  It is also known as screen of eye. Retina is the place in eye where image is formed. It…

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: Presbyopia is a condition in which a person loses part or all of their capacity to adapt to changes…

A: Introduction :- Presbyopia, also known as "ageing eye," is a condition in which the eye loses its…