Exam (elaborations)

NAO VOLUME 3 Exam Questions With Verified Answers

0 purchase

Course
NAO

Institution
NAO

©BRIGHTSTARS EXAM SOLUTIONS 11/14/2024 12:19 PM 1 | P a g e NAO VOLUME 3 Exam Questions With Verified Answers The correct transposed RX for -1.00-.50x37 is? - answer-1.50 + 0.50 x 127 The correct transposition for +2.00 -2.00 x 060 is? - answerPlano +2.00 x 150 An uncut lens must be at leas...

[Show more]

Preview 2 out of 8 pages

View example

Uploaded on November 19, 2024
Number of pages 8
Written in 2024/2025
Type Exam (elaborations)
Contains Questions & answers

nao volume 3 exam questions with verified answers

Institution NAO
Course NAO

Brightstars Member since 6 months 28 documents sold

$10.49

Add to cart

Add to wishlist

100% satisfaction guarantee
Immediately available after payment
Both online and in PDF
No strings attached

©BRIGHTSTARS EXAM SOLUTIONS

11/14/2024 12:19 PM

NAO VOLUME 3 Exam Questions With
Verified Answers

The correct transposed RX for -1.00-.50x37 is? - answer✔-1.50 + 0.50 x 127

The correct transposition for +2.00 -2.00 x 060 is? - answer✔Plano +2.00 x 150
An uncut lens must be at least _______ mm in diameter to allow the edging of a 54 mm round
lens decentered 3 mm in: - answer✔60 mm

A +3.00 sphere lens has a front base curve of +6.25. What is the back surface curve? - answer✔-
3.25
A -2.00 -1.00 x 045 lens has a front base curve of +6.25. What are the back surface curves? -
answer✔-8.25 -1.00
Moving the optical center of a plus lens inward from the correct PD results in _____ -
answer✔Base in prism
Where will the optical center appear in a lensometer when neutralizing a left lens for base in
prism? - answer✔To the left of the target center

Glazing is a term used to indicate _____ - answer✔A defect that occurs when an anti-reflective
lens is tinted
Frequently, bicentric grinding (slab-off) is used as a means of obtaining prism in the reading
field to correct induced prism imbalance. The usual correction during the fabrication process is
achieved by grinding prism in the following direction: - answer✔up
A patient stops in to see you for adjustment of his glasses. After careful inspection you find the
only thing wrong that there is too much pantoscopic tilt. To make the necessary adjustment
you will: - answer✔Angle the temples upward from the end pieces
If the RX is +2.00 -4.00 x 135, it would be necessary to decenter the lens _____to create 1.00
prism base in : - answer✔not possible

1|Page

, ©BRIGHTSTARS EXAM SOLUTIONS

11/14/2024 12:19 PM

Rewrite the RX below, which is prescribed for a patient afflicted with double vision, so as to
make better balanced lenses:
OD -1.00 -0.50 x 090 5.00 BU

OS -1.25 - 0.50 x 090 1.00 BD - answer✔OD -1.00 -0.50 x 090 3.00 prism BU
OS -1.25 -0.50x 090 3.00 prism BD
Correct the imbalance in the following prescription by use of slab-off. Reading level is 10 mm:
OD +5.00 -2.00 x 090

OS +2.25 -3.00 x 090 - answer✔2.25 prism BU in OS
You are fitting a patient with a stock frame, 24 DBL, 44 eve size and 137 mm skull temples. The
distance PD is only 62 mm. If by some unfortunate error the lenses are not decentered at all,
how much prism is created in each eye?

RX: OU -2.25 -1.50 x 045 - answer✔0.5 prism BI
A situation where the frame front is somewhat twisted, with the planes of the two lenses being
out of line with one another, is called: - answer✔Skewed bridge
When a frame is said to have a parabolic curve (or positive face form), the following condition is
meant: - answer✔The bridge of the frame is out further than then end pieces
If the lenses of a patient wearing -8.00 spheres are brought closer or his/her eyes, what if any
effect will this have on the lenses? - answer✔Increase minus power effect

Slab-off is ground on the lens that has the _____in the 090 meridian: - answer✔Weaker plus

Which of the following areas is not a factor in determining vertical imbalance? - answer✔Add
power

A lens dispersing white light into its component colors is an example of : - answer✔Chromatic
aberration
The lens aberration that produces a shorter focal length for rays near the edge of the lens than
rays near the optical axis is called: - answer✔Spherical aberration
The aberration affecting image shape when wearing high minus lenses is called: -
answer✔barrel distortion

What type of prismatic effect is easiest to tolerate at the near point? - answer✔Base in

2|Page

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller Brightstars. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $10.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

69052 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 15 years now

Start selling

Exam (elaborations)

NAO VOLUME 3 Exam Questions With Verified Answers

Document information

Subjects

Written for

Seller

Reviews received

Content preview