4a. A person has a defect of vision and is corrected by LASIK operation. After operation his power of eye-lens is increased to correct his vision. What type of defect of vision the person has? What is corrected distance of vision where he can see an object clearly?

Q: Martina’s vision is myopic; without vision correction, the far point of her right eye is a modest 40…

A: The myopic person can see only as far as her far point (say v). For her to be able to potentially…

Q: To fit a contact lens to a patient's eye, a keratometer can be used to measure the curvature of the…

A: The image distance: p=29.0 cm=0.29 m The magnification of the lens: M=0.0140

Q: Alice is nearsighted and has no astigmatism. Her far-point is at 25 cm. This means that she cannot…

A: If a person cannot see distant objects clearly and distinctly then the person is said to be…

Q: A person has a defect eye with a clear vision at distances from his eye from 0.15m to 0.80m.…

A: The distant object examination means the object is at infinity Therefore the distance would be…

Q: A person with a myopic eye cannot see objects beyond a distance of 1.5 m. What would be the power of…

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Q: People who do very detailed work close up, such as jewellers, often can see objects clearly at much…

A:

Q: A person with a normal lens-to-retina distance wears contact lenses with an optical power of 1.54 D…

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Q: A nearsighted person wants to see an apple that is 7 meters away but can only clearly see objects…

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Q: Nearsighted Nick’s eyes are 18.0 cm and 80.0 cm.

A: Solution

Q: To fit a contact lens to a patient's eye, keratometer can be used to measure the curvature of the…

A: Solution:-

Q: To fit a contact lens to a patient's eye, a keratometer can be used to measure the curvature of the…

A: The radius of curvature of cornea is measured in a method. In this method, the image formed by the…

Q: 52. BIO Nearsighted and farsighted (a) A woman can produce sharp images on her retina only of…

A: Solution of the above mentioned problem is provided below for further queries u may ask in comments…

Q: A person with a normal lens-to-retina distance wears contact lenses with an optical power of 1.54 D…

A:

Q: Suppose the accommodation limits for a nearsighted woman’s eyes are 20.0 cm and 90.0 cm. When…

A: Given data The object distance is given as p=∞.  The image distance is given as q = -90 cm. The…

Q: Figure (a) shows the basic structure of a human eye. Light refracts into the eye through the cornea…

A: Given: The focal length f of the effective thin lens of the eye is 2.58cm Object distance p = 52.4cm

Q: Secondly, the iris blocks light from hitting the extreme edges of the crystalline lens. Why might an…

A: The name of the effect when light hits the extreme edges of the lens is Lens Flare Effect which is…

Q: A myopic person has a near point of 28.0 cm and a far point of 43.0 cm. When correcting the distant…

A: For near sightness person, the near point remains same.

Q: 4. You have an optical system modeled as a thin lens of focal length 10 meter. The object of…

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Q: what are the human vision including the structure of the eye, the formation of images by the eye,…

A: Human eye have lens whose focus can be adjusted by muscles  so that image are formed  at retina

Q: To fit a contact lens to a patient's eye, a keratometer can be used to measure the curvature of the…

A: The cornea of the eye behaves like a spherical mirror, reflecting off any light incident on it. When…

Q: or

A: Distance of far point from eye = -80cm

Q: S. A nearsighted man uses his ideally prescribed eyeglasses that have a refractive power of -2.50…

A: Given: The power of prescribed eyesight is P = -2.5 D. Distance between the eye and lens = 2.7 cm.

Q: w9-17 A refracting telescope is used to view the Moon. The focal lengths of the objective and…

A: The objective of this question is to find the distance between the lenses of a refracting telescope…

Q: People who do very detailed work close up, such as jewelers, often can see objects clearly at a much…

A: Determine the power of the eyes.

Q: Figure (a) shows the basic structure of a human eye. Light refracts into the eye through the cornea…

A: Given:When image was at infinity the focal length of lens isf = 2.56 cmbut since from fig b, it is…

Q: You would like to project an upright image at a position 37.2 cm to the right of an object. You have…

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Q: THe near point of a person's eye is 60.6 cm. To see objects clearly at a distance of 23.0 cm, what…

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Q: QUESTION 5 A teenage with hyperopia has an abnormal near point of 1.0 m. What power of corrective…

A:

Q: Your glasses allow you to comfortably see objects that are very far away. What is the foal length of…

A: To see the distant objects

Q: Everyone’s vision is compromised underwater, but some can see a bit better than others. Which of the…

A: To determine: Who can see the clearest vision underwater? Explanation: Myopia: It is the condition…

Q: A teenage with hyperopia has an abnormal near point of 1.0 m. What power of corrective lens is…

A:

Q: The objective of a telescope has a focal length of 100 cm and its eyepiece has a focal length of 5.0…

A: Magnification of a telescope when viewing an object at infinity is  M = fo/ fe  Where fo = focal…

Q: 3. The near point for a person is measured to be 1.20 m. If this person wishes to read at the normal…

A: Distant objects need to be imaged at most 1.20 m from the eye. So distance from the object (do) =…

Q: Sanjay’s vision is hyperopic. The prescription for his right eye is +3.0 D, which gives him a near…

A: Given data: Power of lens, P=3.0 D Normal vision, s=25 cm

Q: The accommodation limits for Nearsighted Nick's eyes are 20.0 cm and 78.0 cm. When he wears his…

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Q: A person is near sighted. Without vision correction, the far point of her right eye is a modest 40…

A:

Q: Problem 99. A) How is a good single-lens camera (one that can be "focused") able to take clear…

A: A)A good camera can easily take the picture of the object that is placed at some distance by…

Q: Reading glasses of what power are needed for a farsighted person whose near point is 125 cm, so that…

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Q: In an alternate universe, you are a brilliant optician. A young Harry Potter comes to you for a…

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Q: What is the net power of the near vision correction?

A: Given data:   The power of the diverging lens is: P1 The power of the converging lens is: P2 The…

Q: To fit a contact lens to a patient’s eye, a keratometer can be used to measure the curvature of the…

A: Consider an object is placed at a distance p from the cornea and the image formed at a distance q.…

Q: A far-sighted person has a near point of 1.0 m. What prescription glasses are needed to correct her…

A: The spectacle lens must create a image 1.00 m (the near point) distant when an object is held 25.0…

Q: Certain eye conditions increase the curvature of the cornea, which increases the power of this…

A: Introduction: Myopia: Nearsightedness or myopia is the condition where a person is not able to see…

Q: . A homeowner wishes to mount a floodlight on a wall of a swimming pool underwater so as to provide…

A: 1. For maximum illumination of the swimming pool, the light from underwater should be incident on…