an aging geography teacher cannot properly focus her eyes on a map if the map is...
an aging geography teacher cannot properly focus her eyes on a map if the map is any closer than 100cm from her eyes. what kind of corrective contact lens should be prescribed to the teacher so she is able to see the map placed 25 cm from her eyes? report the lens power in diopters with the proper sign.
after using the contact lenses for a while the teacher from the previous problem decided to try prescription classes. it is known that the lenses in these glasses sits just 2cm from the teachers eye. it also known that the teachers vision did not change; she still cannot properly focus on a map if the map is any closer than 100cm. what should be the lense power of the lenses in her new glasses so she is able to clearly see the map placed 25cm from her eyes?
Homework Answers
Add Answer to:
an aging geography teacher cannot properly focus her eyes on a
map if the map is...
A particular patient's eyes are unable to focus on objects closer than 34.5 cm and corrected...
A particular patient's eyes are unable to focus on objects closer than 34.5 cm and corrected lenses are to be prescribed so that the patient can focus on objects 22.0 cm from their eyes HINT (a) is the patient nearsighted or farsighted? O nearsighted O farsighted (b) If contact lenses are to be prescribed, determine the required lens power (in diopters). diopters (c) veglasses are to be prescribed instead and the distance between the eyes and the lenses is 1.80...
A farsighted man uses eyeglasses with a refractive power of 2.25 diopters. Wearing the glasses 0.030...
A farsighted man uses
eyeglasses with a refractive power of 2.25 diopters. Wearing the
glasses 0.030 m from his eyes, he is able to read books held no
closer than 0.295 m from his eyes. He would like a prescription for
contact lenses to serve the same purpose. What is the correct
contact lens prescription, in diopters?
9. A farsighted man uses eyeglasses with a refractive power of 2.25 diopters. Wearing the glasses 0.030 m from his eyes, he is...
34. In children's eyes, the lens is more flexible than in adults and may be fattened...
34. In children's eyes, the lens is more flexible than in adults and may be fattened enough to focus on objects that are very close. This near point for one young girl is 8 cm, while her far point (the furthest point she can focus with her lens completely relaxed) is 2 m. The distance from her lens to her retina is 2.00cm a) Between what limits, measured in diopters, does the power of her lens-cornea com bination vary? b)...
A farsighted man uses eyeglasses with a refractive power of 2.25 diopters. Wearing the glasses 0....
A farsighted man uses eyeglasses with a refractive power of 2.25 diopters. Wearing the glasses 0.030 m from his eyes, he is able to read books held no closer than 0.305 m from his eyes. He would like a prescription for contact lenses to serve the same purpose. What is the correct contact lens prescription, in diopters?
A farsighted man uses eyeglasses with a refractive power of 3.09 diopters. Wearing the glasses 0.026...
A farsighted man uses eyeglasses with a refractive power of 3.09 diopters. Wearing the glasses 0.026 m from his eyes, he is able to read books held no closer than 0.270 m from his eyes. He would like a prescription for contact lenses to serve the same purpose. What is the correct contact lens prescription, in diopters?
A farsighted man uses eyeglasses with a refractive power of 1.85 diopters. Wearing the glasses 0.020...
A farsighted man uses eyeglasses with a refractive power of 1.85 diopters. Wearing the glasses 0.020 m from his eyes, he is able to read books held no closer than 0.275 m from his eyes. He would like a prescription for contact lenses to serve the same purpose. What is the correct contact lens prescription, in diopters?
A farsighted man uses eyeglasses with a refractive power of 1.80 diopters. Wearing the glasses 0.025...
A farsighted man uses eyeglasses with a refractive power of 1.80 diopters. Wearing the glasses 0.025 m from his eyes, he is able to read books held no closer than 0.305 m from his eyes. He would like a prescription for contact lenses to serve the same purpose. What is the correct contact lens prescription, in diopters? 1.51 and 1.46 was wrong
An optometrist tests a person and finds that without glasses, he needs to have his eyes...
An optometrist tests a person and finds that without glasses, he needs to have his eyes 15.0 cm from a book to read comfortably and can focus clearly only on distant objects up to 2.75 m away, but no farther. A typical normal eye should be able to focus on objects that are between 25.0 cm (the near point) and infinity (the far point) from the eye. (a) What type of correcting lenses does the person need: single focal length...
NEED HELP ON #2 A nearsighted pharmacy student has eyes who have a relaxed refractive power...
NEED HELP ON #2 A nearsighted pharmacy student has eyes who have a relaxed refractive power of 49 diopters and her retina is 2.3 cm from her lens. 1). If she is nearsighted, what is her far point? If she is far-sighted, what is her near-point? .1804 m 2) Let's say she wants to be able to focus clearly on objects that are from 150 m to 6.5 cm away. What is the power of the corrective lens she should...
A farsighted man uses eyeglasses with a refractive power of 2.10 diopters. Wearing the glasses 0.030...
A farsighted man uses eyeglasses with a refractive power of 2.10 diopters. Wearing the glasses 0.030 m from his eyes, he is able to read books held no closer than 0.270 m from his eyes. He would like a prescription for contact lenses to serve the same purpose. What is the correct contact lens prescription, in diopters? I keep getting 1.637 but now I believe the answer is 1.75768. Is 1.75768 correct?
A particular patient's eyes are unable to focus on objects closer than 34.5 cm and corrected lenses are to be prescribed so that the patient can focus on objects 22.0 cm from their eyes HINT (a) is the patient nearsighted or farsighted? O nearsighted O farsighted (b) If contact lenses are to be prescribed, determine the required lens power (in diopters). diopters (c) veglasses are to be prescribed instead and the distance between the eyes and the lenses is 1.80...
A farsighted man uses
eyeglasses with a refractive power of 2.25 diopters. Wearing the
glasses 0.030 m from his eyes, he is able to read books held no
closer than 0.295 m from his eyes. He would like a prescription for
contact lenses to serve the same purpose. What is the correct
contact lens prescription, in diopters?
9. A farsighted man uses eyeglasses with a refractive power of 2.25 diopters. Wearing the glasses 0.030 m from his eyes, he is...
34. In children's eyes, the lens is more flexible than in adults and may be fattened enough to focus on objects that are very close. This near point for one young girl is 8 cm, while her far point (the furthest point she can focus with her lens completely relaxed) is 2 m. The distance from her lens to her retina is 2.00cm a) Between what limits, measured in diopters, does the power of her lens-cornea com bination vary? b)...
Most questions answered within 3 hours.
-
How does the standard addition method of calibration help with
interferences? Do the interferences completely go...
asked 2 minutes ago -
Econometrics-
2) The two conditions for instrument validity are
corr(Zi , Xi) ≠ 0 and corr(Zi...
asked 38 seconds from now -
Create & communicate strategies to minimize risk, create
value and manage legal disputes for business leaders...
asked 8 minutes ago -
Maximize p = 2.1x + 4.1y +
2z subject to
3.1x
+
1.2y
+
z
≤...
asked 17 minutes ago -
How many mL of 0.115 M sodium hydroxide would it take to
neutralize 5.00ml of 0.550...
asked 21 minutes ago -
4He is formed when isotopes of hydrogen undergo
fusion.
What is the energy associated with the...
asked 24 minutes ago -
1. The angular position of a spinning wheel is given by the
expression θ(t)= 6 t...
asked 31 minutes ago -
Let T(1) = 2, T(n) = 4T(n/2) + 2n use subsition to solve this
recurrence problem.
asked 41 minutes ago -
Your grandfather invested $1,000 in a stock 37 years ago.
Currently the value of his account...
asked 39 minutes ago -
1.) In Faraday’s electrolysis experiment, he used approximately
96,500 C of charge. A) How many moles...
asked 42 minutes ago -
this situation is about a dvd disk 8.0cm in diameter that is
initially at rest. The...
asked 43 minutes ago -
What is the relationship, if any, between the pH (9.27) at the half
equivalence point and...
asked 58 minutes ago