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

Q: When you increase magnification, what happens to field of view?

A: Magnification- Magnification is that the ability of a microscope to provide a picture of an object…

Q: Name one defect of vision which cannot be corrected by any type of spectacle lenses?

A: The eye is a complex organ that provides vision with the help of accessory organs (lacrimal…

Q: Name the two structures in the eye responsible for bringing about the change in the shape of the…

A: The eye is one of the sensory organs present in the body of an organism. It is responsible for…

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

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Q: How does the eye’s lens change shape to allow focusing of distant objects? What defects make…

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Q: List the optical components of the eye and state the role of each one in the formation of an image?

A: Anatomy and physiology are the branches of biology, anatomy deals with the study of the structure of…

Q: OIL EMERSION IS REQUIRED FOR which lens

A: Oil immersion is a technique which is used to increase the resolving power of a microscope. A light…

Q: Name the structure that provides and maintains shape of eyeball.

A: Eye is the chief organ of the visual system. They are involved in detecting the light rays and…

Q: Which defect of vision can be rectified using a concave lens?

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

Q: Which objective lens has the least working distance?

A: In microscopy, the working distance can be defined as the distance between the front lens of the…

Q: 4.3 Magnification of the human eye What is the magnification of the human eye? Remember that the…

A: Magnification can be defined as: The power of a microscope is equal to the ratio of the height of…

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: Anatomically, what causes a blind spot on the retina?

A: The ganglion cells of the retina have their axons continuing into the optic nerve, also known as the…

Q: What is the least distance of distinct vision of a normal human eye?

A: Least distance of distinct vision of human eye is the minimum distance of an object from an eye to…

Q: Why do we detect faint light more effectively in the periphery of the retina than in the fovea?

A: Faint light or dim light is detected by rods in retina

Q: By what the transparent lens in the human eye is held in its place?

A: Eye is one of the sensory organs present in the body of an organism. It is responsible for sensing…

Q: hat power of accommodation of the eye, when object viewed from 20- 500cm from his eye.?

A: Eye power accommodation is changing the shape of lens and adjusting the focal length is states as…

Q: What is the relationship between the diopter number that show up on opthalmoscope when one is…

A: Scientific notations are used in writing medical reports including an eye check-up report that an…

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: A 10-year-old patient’s distance visual acuity was tested and determined to be 20/80. (a) Explain…

A: Visual acuity is measured to determine how clear a person could see. It is determined by using a…

Q: Are the blind spots of your right and left eyes at the same distance?

A: The retina of human eyes are made up of light sensitive cells through which the messages are send to…

Q: What is the primary difference between the method of focusing used by the eye and by a camera?…

A: Eye is a magnificent natural living organ that records the image whereas camera is also an…

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: Explain the Workings of an oil immersion lens.

A: Oil immersion lens: A type of objective lens that can focus when there is a drop of liquid (such as…

Q: What is the definition of tympanometry?

A: Tympanometry is a kind of examination which is used for testing: Status of middle ear Assessing the…

Q: What is meant by 20/70 vision?

A: Visual acuity is a parameter used to measure the clarity of the vision of an individual. It…

Q: which cannot be corrected by any type of spectacle lenses?

A: The eye is a complicated organ that works in conjunction with other organs to provide vision…

Q: Which power (low or high) will allow you to see more of the object?

A: Hello, thank you for your question, hope this answer helps you.

Q: Which convex lens is called as converging lens?

A: A convex lens is a lens with two spherical surfaces that bulge outward from the middle. Therefore,…

Q: Name the fluid that occupies the larger convity of eye ball behind the lens.

A: The eyeball is the spherical organ. It occurs in the bony orbit of the facial skeleton. It is mainly…

Q: identify three differences between vision at the fovea and peripheral vision.

A: Sense organs are the particular organs made out of sensory neurons, which assist us with seeing and…

Q: As has been done since the beginning of time, removing the lens of the eye for the purpose of…

A: Cataract surgery is one of the most common procedures performed worldwide. It is also one of the…

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: Name the structure that hold lens in its position.

A: Humans have a pair of eyes located in sockets of the skull known as orbits. The human eyeball is…

Q: Why do rods provide greater visual sensitivity while cones provide better acuity?

A: Rods are cylindrical in shape and thin. Rods are more in number (120 million ). Cones are conical in…

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…

Q: Name the muscle responsible for bringing change in the focal length of the eye lens?

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

Q: what happens when you change the objective lense

A: The compound light microscope is routinely used in cell biology laboratories to observe the internal…

Q: What is the general direction of the cone of light in the ear?

A: In mammals, the organ that is used for hearing is the ear. The ear consists of three parts—the outer…

Q: ________ disparity refers to the slightly different view of the world that each eye receives. A)…

A: To identify: To identify the correct option that refers to slightly different view of the world that…

Q: 16. What might happen if you used the coarse adjustment with the high power lens in place?

A: Microscope is an instrument which is used to seen the microorganisms such as bacteria and fungi…

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: Can you use the fine adjustment knob so that you can focus on all three threads simultaneously when…

A: Any object has depth, length, and width, but a microscope can focus and provide only a…

Q: How does tritanopia relates to the visible spectrum

A: Visible spectrum is the region in electromagnetic spectrum which can be clearly visible to human…

Q: If a patient suffers visual impairment only in one eye, why must the damage be located in the visual…

A: Understand the location of the lesion in case of visual impairment is essential from the clinical…